The material described by Sr16Mn8O29 crystallizes in the triclinic P1 space group. There are sixteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(20), one O(21), one O(22), one O(26), one O(3), one O(8), and one O(9) atom. In the second Sr site, Sr(2) is bonded to one O(1), one O(11), one O(19), one O(23), one O(28), one O(3), and one O(7) atom to form distorted SrO7 pentagonal bipyramids that share  a cornercorner with one Mn(7)O5 square pyramid, edges with two equivalent Sr(15)O7 pentagonal bipyramids,  an edgeedge with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(2)O5 square pyramid,  an edgeedge with one Mn(7)O5 square pyramid, and  an edgeedge with one Mn(8)O5 square pyramid. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(13), one O(2), one O(24), one O(27), one O(4), one O(5), one O(7), and one O(9) atom. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(12), one O(14), one O(2), one O(25), one O(29), one O(4), one O(6), and one O(8) atom. In the fifth Sr site, Sr(5) is bonded in a 8-coordinate geometry to one O(10), one O(14), one O(15), one O(17), one O(26), one O(4), one O(5), and one O(6) atom. In the sixth Sr site, Sr(6) is bonded in a 9-coordinate geometry to one O(11), one O(12), one O(13), one O(16), one O(18), one O(2), one O(28), one O(5), and one O(6) atom. In the seventh Sr site, Sr(7) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(15), one O(18), one O(22), one O(27), and one O(5) atom. In the eighth Sr site, Sr(8) is bonded in a 9-coordinate geometry to one O(10), one O(11), one O(16), one O(17), one O(21), one O(23), one O(29), one O(3), and one O(6) atom. In the ninth Sr site, Sr(9) is bonded in a 8-coordinate geometry to one O(1), one O(13), one O(19), one O(20), one O(24), one O(27), one O(7), and one O(9) atom. In the tenth Sr site, Sr(10) is bonded in a 8-coordinate geometry to one O(12), one O(14), one O(19), one O(20), one O(25), one O(29), one O(3), and one O(8) atom. In the eleventh Sr site, Sr(11) is bonded in a 9-coordinate geometry to one O(12), one O(13), one O(16), one O(18), one O(19), one O(2), one O(24), one O(25), and one O(28) atom. In the twelfth Sr site, Sr(12) is bonded in a 8-coordinate geometry to one O(14), one O(15), one O(17), one O(20), one O(24), one O(25), one O(26), and one O(4) atom. In the thirteenth Sr site, Sr(13) is bonded in a 8-coordinate geometry to one O(1), one O(15), one O(18), one O(22), one O(24), one O(26), one O(28), and one O(5) atom. In the fourteenth Sr site, Sr(14) is bonded in a 9-coordinate geometry to one O(16), one O(17), one O(21), one O(23), one O(25), one O(26), one O(28), one O(3), and one O(6) atom. In the fifteenth Sr site, Sr(15) is bonded to one O(11), one O(19), one O(2), one O(23), one O(27), one O(29), and one O(7) atom to form distorted SrO7 pentagonal bipyramids that share  a cornercorner with one Mn(2)O5 square pyramid, edges with two equivalent Sr(2)O7 pentagonal bipyramids,  an edgeedge with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(2)O5 square pyramid,  an edgeedge with one Mn(7)O5 square pyramid, and  an edgeedge with one Mn(8)O5 square pyramid. In the sixteenth Sr site, Sr(16) is bonded in a 9-coordinate geometry to one O(10), one O(20), one O(21), one O(22), one O(27), one O(29), one O(4), one O(8), and one O(9) atom. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(21), one O(23), one O(29), one O(3), and one O(8) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(3)O5 square pyramid,  a cornercorner with one Mn(7)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 4°. In the second Mn site, Mn(2) is bonded to one O(12), one O(13), one O(19), one O(2), and one O(7) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Sr(15)O7 pentagonal bipyramid,  a cornercorner with one Mn(4)O5 square pyramid,  a cornercorner with one Mn(8)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 7°. In the third Mn site, Mn(3) is bonded to one O(14), one O(20), one O(4), one O(8), and one O(9) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Mn(1)O5 square pyramid, and  a cornercorner with one Mn(8)O5 square pyramid. The corner-sharing octahedral tilt angles are 9°. In the fourth Mn site, Mn(4) is bonded to one O(13), one O(15), one O(18), one O(24), and one O(5) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(2)O5 square pyramid, and  a cornercorner with one Mn(7)O5 square pyramid. The corner-sharing octahedral tilt angles are 9°. In the fifth Mn site, Mn(5) is bonded to one O(12), one O(14), one O(16), one O(17), one O(25), and one O(6) atom to form MnO6 octahedra that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(2)O5 square pyramid,  a cornercorner with one Mn(3)O5 square pyramid, and  a cornercorner with one Mn(7)O5 square pyramid. The corner-sharing octahedral tilt angles are 6°. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(15), one O(17), one O(21), one O(22), and one O(26) atom to form MnO6 octahedra that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Mn(1)O5 square pyramid,  a cornercorner with one Mn(4)O5 square pyramid, and  a cornercorner with one Mn(8)O5 square pyramid. The corner-sharing octahedral tilt angles are 6°. In the seventh Mn site, Mn(7) is bonded to one O(11), one O(16), one O(18), one O(23), and one O(28) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Sr(2)O7 pentagonal bipyramid,  a cornercorner with one Mn(1)O5 square pyramid,  a cornercorner with one Mn(4)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 3°. In the eighth Mn site, Mn(8) is bonded to one O(1), one O(22), one O(27), one O(7), and one O(9) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(2)O5 square pyramid,  a cornercorner with one Mn(3)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 8°. There are twenty-nine inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(13), one Sr(2), one Sr(7), one Sr(9), and one Mn(8) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(27)Sr5Mn octahedra, corners with two equivalent O(15)Sr4Mn2 octahedra, corners with two equivalent O(18)Sr4Mn2 octahedra, corners with two equivalent O(24)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  a faceface with one O(22)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the second O site, O(2) is bonded to one Sr(11), one Sr(15), one Sr(3), one Sr(4), one Sr(6), and one Mn(2) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(19)Sr5Mn octahedra, corners with two equivalent O(16)Sr4Mn2 octahedra, corners with two equivalent O(18)Sr4Mn2 octahedra, corners with two equivalent O(11)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra, and  a faceface with one O(13)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the third O site, O(3) is bonded to one Sr(1), one Sr(10), one Sr(14), one Sr(2), one Sr(8), and one Mn(1) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(29)Sr5Mn octahedra, corners with two equivalent O(16)Sr4Mn2 octahedra, corners with two equivalent O(17)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(25)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra, and  a faceface with one O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the fourth O site, O(4) is bonded to one Sr(12), one Sr(16), one Sr(3), one Sr(4), one Sr(5), and one Mn(3) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(20)Sr5Mn octahedra, corners with two equivalent O(15)Sr4Mn2 octahedra, corners with two equivalent O(17)Sr4Mn2 octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 6-64°. In the fifth O site, O(5) is bonded to one Sr(13), one Sr(3), one Sr(5), one Sr(6), one Sr(7), and one Mn(4) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(24)Sr5Mn octahedra, corners with two equivalent O(22)Sr4Mn2 octahedra, corners with two equivalent O(27)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra, and  a faceface with one O(18)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 4-64°. In the sixth O site, O(6) is bonded to one Sr(14), one Sr(4), one Sr(5), one Sr(6), one Sr(8), and one Mn(5) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(25)Sr5Mn octahedra, corners with two equivalent O(21)Sr4Mn2 octahedra, corners with two equivalent O(23)Sr4Mn2 octahedra, corners with two equivalent O(29)Sr5Mn octahedra, corners with two equivalent O(5)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra, and  a faceface with one O(17)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-57°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(15), one Sr(2), one Sr(3), one Sr(9), one Mn(2), and one Mn(8) atom. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(10), one Sr(16), one Sr(4), one Mn(1), and one Mn(3) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(25)Sr5Mn octahedra,  an edgeedge with one O(12)Sr4Mn2 octahedra,  an edgeedge with one O(22)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra,  a faceface with one O(20)Sr5Mn octahedra,  a faceface with one O(29)Sr5Mn octahedra,  a faceface with one O(3)Sr5Mn octahedra, and  a faceface with one O(4)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 11-66°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(16), one Sr(3), one Sr(9), one Mn(3), and one Mn(8) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(24)Sr5Mn octahedra,  an edgeedge with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(21)Sr4Mn2 octahedra,  a faceface with one O(22)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra,  a faceface with one O(1)Sr5Mn octahedra,  a faceface with one O(20)Sr5Mn octahedra,  a faceface with one O(27)Sr5Mn octahedra, and  a faceface with one O(4)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 8-64°. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(16), one Sr(5), one Sr(7), one Sr(8), and one Mn(6) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(26)Sr5Mn octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(11)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra, and  a faceface with one O(22)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-57°. In the eleventh O site, O(11) is bonded to one Sr(15), one Sr(2), one Sr(6), one Sr(7), one Sr(8), and one Mn(7) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(28)Sr5Mn octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra, and  a faceface with one O(23)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the twelfth O site, O(12) is bonded to one Sr(10), one Sr(11), one Sr(4), one Sr(6), one Mn(2), and one Mn(5) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra, corners with two equivalent O(29)Sr5Mn octahedra,  an edgeedge with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(8)Sr4Mn2 octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(19)Sr5Mn octahedra,  a faceface with one O(2)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the thirteenth O site, O(13) is bonded to one Sr(11), one Sr(3), one Sr(6), one Sr(9), one Mn(2), and one Mn(4) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(27)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra,  an edgeedge with one O(16)Sr4Mn2 octahedra,  an edgeedge with one O(9)Sr4Mn2 octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(19)Sr5Mn octahedra,  a faceface with one O(2)Sr5Mn octahedra,  a faceface with one O(24)Sr5Mn octahedra, and  a faceface with one O(5)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 8-64°. In the fourteenth O site, O(14) is bonded to one Sr(10), one Sr(12), one Sr(4), one Sr(5), one Mn(3), and one Mn(5) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(26)Sr5Mn octahedra, corners with two equivalent O(29)Sr5Mn octahedra,  an edgeedge with one O(15)Sr4Mn2 octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra,  a faceface with one O(20)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra,  a faceface with one O(4)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the fifteenth O site, O(15) is bonded to one Sr(12), one Sr(13), one Sr(5), one Sr(7), one Mn(4), and one Mn(6) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(14)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(22)Sr4Mn2 octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(24)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra, and  a faceface with one O(5)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the sixteenth O site, O(16) is bonded to one Sr(11), one Sr(14), one Sr(6), one Sr(8), one Mn(5), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra,  an edgeedge with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(21)Sr4Mn2 octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra,  a faceface with one O(11)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra,  a faceface with one O(28)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-59°. In the seventeenth O site, O(17) is bonded to one Sr(12), one Sr(14), one Sr(5), one Sr(8), one Mn(5), and one Mn(6) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(23)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 1-57°. In the eighteenth O site, O(18) is bonded to one Sr(11), one Sr(13), one Sr(6), one Sr(7), one Mn(4), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra,  an edgeedge with one O(12)Sr4Mn2 octahedra,  an edgeedge with one O(22)Sr4Mn2 octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(11)Sr5Mn octahedra,  a faceface with one O(24)Sr5Mn octahedra,  a faceface with one O(28)Sr5Mn octahedra, and  a faceface with one O(5)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 10-65°. In the nineteenth O site, O(19) is bonded to one Sr(10), one Sr(11), one Sr(15), one Sr(2), one Sr(9), and one Mn(2) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(2)Sr5Mn octahedra, corners with two equivalent O(23)Sr4Mn2 octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra, and  a faceface with one O(13)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the twentieth O site, O(20) is bonded to one Sr(1), one Sr(10), one Sr(12), one Sr(16), one Sr(9), and one Mn(3) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(4)Sr5Mn octahedra, corners with two equivalent O(21)Sr4Mn2 octahedra, corners with two equivalent O(22)Sr4Mn2 octahedra, corners with two equivalent O(19)Sr5Mn octahedra, corners with two equivalent O(26)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 5-64°. In the twenty-first O site, O(21) is bonded to one Sr(1), one Sr(14), one Sr(16), one Sr(8), one Mn(1), and one Mn(6) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(16)Sr4Mn2 octahedra,  an edgeedge with one O(9)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(22)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra,  a faceface with one O(29)Sr5Mn octahedra, and  a faceface with one O(3)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-60°. In the twenty-second O site, O(22) is bonded to one Sr(1), one Sr(13), one Sr(16), one Sr(7), one Mn(6), and one Mn(8) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(5)Sr5Mn octahedra,  an edgeedge with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(8)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra,  a faceface with one O(1)Sr5Mn octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra, and  a faceface with one O(27)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 2-64°. In the twenty-third O site, O(23) is bonded to one Sr(14), one Sr(15), one Sr(2), one Sr(8), one Mn(1), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra, corners with two equivalent O(19)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(17)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(11)Sr5Mn octahedra,  a faceface with one O(28)Sr5Mn octahedra,  a faceface with one O(29)Sr5Mn octahedra, and  a faceface with one O(3)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 10-64°. In the twenty-fourth O site, O(24) is bonded to one Sr(11), one Sr(12), one Sr(13), one Sr(3), one Sr(9), and one Mn(4) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(25)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra, and  a faceface with one O(18)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 5-64°. In the twenty-fifth O site, O(25) is bonded to one Sr(10), one Sr(11), one Sr(12), one Sr(14), one Sr(4), and one Mn(5) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(24)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra, and  a faceface with one O(17)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the twenty-sixth O site, O(26) is bonded to one Sr(1), one Sr(12), one Sr(13), one Sr(14), one Sr(5), and one Mn(6) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra, corners with two equivalent O(14)Sr4Mn2 octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra, and  a faceface with one O(22)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the twenty-seventh O site, O(27) is bonded to one Sr(15), one Sr(16), one Sr(3), one Sr(7), one Sr(9), and one Mn(8) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra, corners with two equivalent O(13)Sr4Mn2 octahedra, corners with two equivalent O(29)Sr5Mn octahedra, corners with two equivalent O(5)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(22)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the twenty-eighth O site, O(28) is bonded to one Sr(11), one Sr(13), one Sr(14), one Sr(2), one Sr(6), and one Mn(7) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra, corners with two equivalent O(12)Sr4Mn2 octahedra, corners with two equivalent O(13)Sr4Mn2 octahedra, corners with two equivalent O(19)Sr5Mn octahedra, corners with two equivalent O(26)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra, and  a faceface with one O(23)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-63°. In the twenty-ninth O site, O(29) is bonded to one Sr(10), one Sr(15), one Sr(16), one Sr(4), one Sr(8), and one Mn(1) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(3)Sr5Mn octahedra, corners with two equivalent O(12)Sr4Mn2 octahedra, corners with two equivalent O(14)Sr4Mn2 octahedra, corners with two equivalent O(27)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra, and  a faceface with one O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. is represented by the CIF card [CIF]
data_Sr16Mn8O29
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.823
_cell_length_b   10.254
_cell_length_c   10.825
_cell_angle_alpha   90.112
_cell_angle_beta   90.048
_cell_angle_gamma   104.240
_symmetry_Int_Tables_number   1
_cell_volume   734.096
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sr  Sr0  1  0.213  0.932  0.999  1.0
  Sr  Sr1  1  0.228  0.920  0.501  1.0
  Sr  Sr2  1  0.021  0.317  0.253  1.0
  Sr  Sr3  1  0.039  0.332  0.756  1.0
  Sr  Sr4  1  0.286  0.581  0.993  1.0
  Sr  Sr5  1  0.287  0.569  0.498  1.0
  Sr  Sr6  1  0.519  0.814  0.243  1.0
  Sr  Sr7  1  0.540  0.825  0.748  1.0
  Sr  Sr8  1  0.462  0.169  0.255  1.0
  Sr  Sr9  1  0.480  0.185  0.757  1.0
  Sr  Sr10  1  0.710  0.429  0.501  1.0
  Sr  Sr11  1  0.729  0.433  0.996  1.0
  Sr  Sr12  1  0.961  0.667  0.242  1.0
  Sr  Sr13  1  0.966  0.682  0.747  1.0
  Sr  Sr14  1  0.768  0.075  0.504  1.0
  Sr  Sr15  1  0.790  0.073  0.003  1.0
  Mn  Mn16  1  0.003  0.000  0.750  1.0
  Mn  Mn17  1  0.245  0.249  0.500  1.0
  Mn  Mn18  1  0.255  0.253  0.999  1.0
  Mn  Mn19  1  0.499  0.499  0.248  1.0
  Mn  Mn20  1  0.502  0.503  0.751  1.0
  Mn  Mn21  1  0.748  0.750  0.999  1.0
  Mn  Mn22  1  0.753  0.749  0.500  1.0
  Mn  Mn23  1  0.997  0.999  0.252  1.0
  O  O24  1  0.217  0.912  0.258  1.0
  O  O25  1  0.007  0.320  0.509  1.0
  O  O26  1  0.245  0.931  0.741  1.0
  O  O27  1  0.032  0.338  0.009  1.0
  O  O28  1  0.256  0.566  0.238  1.0
  O  O29  1  0.266  0.581  0.748  1.0
  O  O30  1  0.102  0.103  0.396  1.0
  O  O31  1  0.134  0.130  0.861  1.0
  O  O32  1  0.136  0.137  0.129  1.0
  O  O33  1  0.513  0.831  0.999  1.0
  O  O34  1  0.532  0.835  0.490  1.0
  O  O35  1  0.366  0.367  0.632  1.0
  O  O36  1  0.368  0.370  0.362  1.0
  O  O37  1  0.388  0.386  0.887  1.0
  O  O38  1  0.613  0.613  0.115  1.0
  O  O39  1  0.620  0.620  0.625  1.0
  O  O40  1  0.629  0.633  0.869  1.0
  O  O41  1  0.639  0.637  0.371  1.0
  O  O42  1  0.467  0.166  0.510  1.0
  O  O43  1  0.497  0.182  0.010  1.0
  O  O44  1  0.875  0.877  0.881  1.0
  O  O45  1  0.864  0.867  0.134  1.0
  O  O46  1  0.891  0.888  0.611  1.0
  O  O47  1  0.720  0.410  0.242  1.0
  O  O48  1  0.737  0.426  0.750  1.0
  O  O49  1  0.983  0.675  0.997  1.0
  O  O50  1  0.757  0.066  0.260  1.0
  O  O51  1  0.994  0.678  0.490  1.0
  O  O52  1  0.781  0.088  0.743  1.0
[/CIF]
.
The material described by Sr16Mn8O29 crystallizes in the triclinic P1 space group. There are sixteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(1), one O(10), one O(20), one O(21), one O(22), one O(26), one O(3), one O(8), and one O(9) atom. In the second Sr site, Sr(2) is bonded to one O(1), one O(11), one O(19), one O(23), one O(28), one O(3), and one O(7) atom to form distorted SrO7 pentagonal bipyramids that share  a cornercorner with one Mn(7)O5 square pyramid, edges with two equivalent Sr(15)O7 pentagonal bipyramids,  an edgeedge with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(2)O5 square pyramid,  an edgeedge with one Mn(7)O5 square pyramid, and  an edgeedge with one Mn(8)O5 square pyramid. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(13), one O(2), one O(24), one O(27), one O(4), one O(5), one O(7), and one O(9) atom. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(12), one O(14), one O(2), one O(25), one O(29), one O(4), one O(6), and one O(8) atom. In the fifth Sr site, Sr(5) is bonded in a 8-coordinate geometry to one O(10), one O(14), one O(15), one O(17), one O(26), one O(4), one O(5), and one O(6) atom. In the sixth Sr site, Sr(6) is bonded in a 9-coordinate geometry to one O(11), one O(12), one O(13), one O(16), one O(18), one O(2), one O(28), one O(5), and one O(6) atom. In the seventh Sr site, Sr(7) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(15), one O(18), one O(22), one O(27), and one O(5) atom. In the eighth Sr site, Sr(8) is bonded in a 9-coordinate geometry to one O(10), one O(11), one O(16), one O(17), one O(21), one O(23), one O(29), one O(3), and one O(6) atom. In the ninth Sr site, Sr(9) is bonded in a 8-coordinate geometry to one O(1), one O(13), one O(19), one O(20), one O(24), one O(27), one O(7), and one O(9) atom. In the tenth Sr site, Sr(10) is bonded in a 8-coordinate geometry to one O(12), one O(14), one O(19), one O(20), one O(25), one O(29), one O(3), and one O(8) atom. In the eleventh Sr site, Sr(11) is bonded in a 9-coordinate geometry to one O(12), one O(13), one O(16), one O(18), one O(19), one O(2), one O(24), one O(25), and one O(28) atom. In the twelfth Sr site, Sr(12) is bonded in a 8-coordinate geometry to one O(14), one O(15), one O(17), one O(20), one O(24), one O(25), one O(26), and one O(4) atom. In the thirteenth Sr site, Sr(13) is bonded in a 8-coordinate geometry to one O(1), one O(15), one O(18), one O(22), one O(24), one O(26), one O(28), and one O(5) atom. In the fourteenth Sr site, Sr(14) is bonded in a 9-coordinate geometry to one O(16), one O(17), one O(21), one O(23), one O(25), one O(26), one O(28), one O(3), and one O(6) atom. In the fifteenth Sr site, Sr(15) is bonded to one O(11), one O(19), one O(2), one O(23), one O(27), one O(29), and one O(7) atom to form distorted SrO7 pentagonal bipyramids that share  a cornercorner with one Mn(2)O5 square pyramid, edges with two equivalent Sr(2)O7 pentagonal bipyramids,  an edgeedge with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(2)O5 square pyramid,  an edgeedge with one Mn(7)O5 square pyramid, and  an edgeedge with one Mn(8)O5 square pyramid. In the sixteenth Sr site, Sr(16) is bonded in a 9-coordinate geometry to one O(10), one O(20), one O(21), one O(22), one O(27), one O(29), one O(4), one O(8), and one O(9) atom. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(21), one O(23), one O(29), one O(3), and one O(8) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(3)O5 square pyramid,  a cornercorner with one Mn(7)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 4°. In the second Mn site, Mn(2) is bonded to one O(12), one O(13), one O(19), one O(2), and one O(7) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Sr(15)O7 pentagonal bipyramid,  a cornercorner with one Mn(4)O5 square pyramid,  a cornercorner with one Mn(8)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 7°. In the third Mn site, Mn(3) is bonded to one O(14), one O(20), one O(4), one O(8), and one O(9) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Mn(1)O5 square pyramid, and  a cornercorner with one Mn(8)O5 square pyramid. The corner-sharing octahedral tilt angles are 9°. In the fourth Mn site, Mn(4) is bonded to one O(13), one O(15), one O(18), one O(24), and one O(5) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(2)O5 square pyramid, and  a cornercorner with one Mn(7)O5 square pyramid. The corner-sharing octahedral tilt angles are 9°. In the fifth Mn site, Mn(5) is bonded to one O(12), one O(14), one O(16), one O(17), one O(25), and one O(6) atom to form MnO6 octahedra that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(2)O5 square pyramid,  a cornercorner with one Mn(3)O5 square pyramid, and  a cornercorner with one Mn(7)O5 square pyramid. The corner-sharing octahedral tilt angles are 6°. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(15), one O(17), one O(21), one O(22), and one O(26) atom to form MnO6 octahedra that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Mn(1)O5 square pyramid,  a cornercorner with one Mn(4)O5 square pyramid, and  a cornercorner with one Mn(8)O5 square pyramid. The corner-sharing octahedral tilt angles are 6°. In the seventh Mn site, Mn(7) is bonded to one O(11), one O(16), one O(18), one O(23), and one O(28) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(5)O6 octahedra,  a cornercorner with one Sr(2)O7 pentagonal bipyramid,  a cornercorner with one Mn(1)O5 square pyramid,  a cornercorner with one Mn(4)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 3°. In the eighth Mn site, Mn(8) is bonded to one O(1), one O(22), one O(27), one O(7), and one O(9) atom to form MnO5 square pyramids that share  a cornercorner with one Mn(6)O6 octahedra,  a cornercorner with one Mn(2)O5 square pyramid,  a cornercorner with one Mn(3)O5 square pyramid,  an edgeedge with one Sr(15)O7 pentagonal bipyramid, and  an edgeedge with one Sr(2)O7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 8°. There are twenty-nine inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(13), one Sr(2), one Sr(7), one Sr(9), and one Mn(8) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(27)Sr5Mn octahedra, corners with two equivalent O(15)Sr4Mn2 octahedra, corners with two equivalent O(18)Sr4Mn2 octahedra, corners with two equivalent O(24)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  a faceface with one O(22)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the second O site, O(2) is bonded to one Sr(11), one Sr(15), one Sr(3), one Sr(4), one Sr(6), and one Mn(2) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(19)Sr5Mn octahedra, corners with two equivalent O(16)Sr4Mn2 octahedra, corners with two equivalent O(18)Sr4Mn2 octahedra, corners with two equivalent O(11)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra, and  a faceface with one O(13)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the third O site, O(3) is bonded to one Sr(1), one Sr(10), one Sr(14), one Sr(2), one Sr(8), and one Mn(1) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(29)Sr5Mn octahedra, corners with two equivalent O(16)Sr4Mn2 octahedra, corners with two equivalent O(17)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(25)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra, and  a faceface with one O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the fourth O site, O(4) is bonded to one Sr(12), one Sr(16), one Sr(3), one Sr(4), one Sr(5), and one Mn(3) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(20)Sr5Mn octahedra, corners with two equivalent O(15)Sr4Mn2 octahedra, corners with two equivalent O(17)Sr4Mn2 octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 6-64°. In the fifth O site, O(5) is bonded to one Sr(13), one Sr(3), one Sr(5), one Sr(6), one Sr(7), and one Mn(4) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(24)Sr5Mn octahedra, corners with two equivalent O(22)Sr4Mn2 octahedra, corners with two equivalent O(27)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra, and  a faceface with one O(18)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 4-64°. In the sixth O site, O(6) is bonded to one Sr(14), one Sr(4), one Sr(5), one Sr(6), one Sr(8), and one Mn(5) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(25)Sr5Mn octahedra, corners with two equivalent O(21)Sr4Mn2 octahedra, corners with two equivalent O(23)Sr4Mn2 octahedra, corners with two equivalent O(29)Sr5Mn octahedra, corners with two equivalent O(5)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra, and  a faceface with one O(17)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-57°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to one Sr(15), one Sr(2), one Sr(3), one Sr(9), one Mn(2), and one Mn(8) atom. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(10), one Sr(16), one Sr(4), one Mn(1), and one Mn(3) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(25)Sr5Mn octahedra,  an edgeedge with one O(12)Sr4Mn2 octahedra,  an edgeedge with one O(22)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra,  a faceface with one O(20)Sr5Mn octahedra,  a faceface with one O(29)Sr5Mn octahedra,  a faceface with one O(3)Sr5Mn octahedra, and  a faceface with one O(4)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 11-66°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(16), one Sr(3), one Sr(9), one Mn(3), and one Mn(8) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(24)Sr5Mn octahedra,  an edgeedge with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(21)Sr4Mn2 octahedra,  a faceface with one O(22)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra,  a faceface with one O(1)Sr5Mn octahedra,  a faceface with one O(20)Sr5Mn octahedra,  a faceface with one O(27)Sr5Mn octahedra, and  a faceface with one O(4)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 8-64°. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(16), one Sr(5), one Sr(7), one Sr(8), and one Mn(6) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(26)Sr5Mn octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(11)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra, and  a faceface with one O(22)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-57°. In the eleventh O site, O(11) is bonded to one Sr(15), one Sr(2), one Sr(6), one Sr(7), one Sr(8), and one Mn(7) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(28)Sr5Mn octahedra, corners with two equivalent O(10)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra, and  a faceface with one O(23)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the twelfth O site, O(12) is bonded to one Sr(10), one Sr(11), one Sr(4), one Sr(6), one Mn(2), and one Mn(5) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra, corners with two equivalent O(29)Sr5Mn octahedra,  an edgeedge with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(8)Sr4Mn2 octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(19)Sr5Mn octahedra,  a faceface with one O(2)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 1-63°. In the thirteenth O site, O(13) is bonded to one Sr(11), one Sr(3), one Sr(6), one Sr(9), one Mn(2), and one Mn(4) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(27)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra,  an edgeedge with one O(16)Sr4Mn2 octahedra,  an edgeedge with one O(9)Sr4Mn2 octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(19)Sr5Mn octahedra,  a faceface with one O(2)Sr5Mn octahedra,  a faceface with one O(24)Sr5Mn octahedra, and  a faceface with one O(5)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 8-64°. In the fourteenth O site, O(14) is bonded to one Sr(10), one Sr(12), one Sr(4), one Sr(5), one Mn(3), and one Mn(5) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(26)Sr5Mn octahedra, corners with two equivalent O(29)Sr5Mn octahedra,  an edgeedge with one O(15)Sr4Mn2 octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra,  a faceface with one O(20)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra,  a faceface with one O(4)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the fifteenth O site, O(15) is bonded to one Sr(12), one Sr(13), one Sr(5), one Sr(7), one Mn(4), and one Mn(6) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(14)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(22)Sr4Mn2 octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(24)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra, and  a faceface with one O(5)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-64°. In the sixteenth O site, O(16) is bonded to one Sr(11), one Sr(14), one Sr(6), one Sr(8), one Mn(5), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra,  an edgeedge with one O(13)Sr4Mn2 octahedra,  an edgeedge with one O(21)Sr4Mn2 octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra,  a faceface with one O(11)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra,  a faceface with one O(28)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-59°. In the seventeenth O site, O(17) is bonded to one Sr(12), one Sr(14), one Sr(5), one Sr(8), one Mn(5), and one Mn(6) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(20)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra, corners with two equivalent O(4)Sr5Mn octahedra,  an edgeedge with one O(23)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(25)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra, and  a faceface with one O(6)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 1-57°. In the eighteenth O site, O(18) is bonded to one Sr(11), one Sr(13), one Sr(6), one Sr(7), one Mn(4), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(19)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(5)Sr5Mn octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(2)Sr5Mn octahedra,  an edgeedge with one O(12)Sr4Mn2 octahedra,  an edgeedge with one O(22)Sr4Mn2 octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(11)Sr5Mn octahedra,  a faceface with one O(24)Sr5Mn octahedra,  a faceface with one O(28)Sr5Mn octahedra, and  a faceface with one O(5)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 10-65°. In the nineteenth O site, O(19) is bonded to one Sr(10), one Sr(11), one Sr(15), one Sr(2), one Sr(9), and one Mn(2) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(2)Sr5Mn octahedra, corners with two equivalent O(23)Sr4Mn2 octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra, and  a faceface with one O(13)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-66°. In the twentieth O site, O(20) is bonded to one Sr(1), one Sr(10), one Sr(12), one Sr(16), one Sr(9), and one Mn(3) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(4)Sr5Mn octahedra, corners with two equivalent O(21)Sr4Mn2 octahedra, corners with two equivalent O(22)Sr4Mn2 octahedra, corners with two equivalent O(19)Sr5Mn octahedra, corners with two equivalent O(26)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 5-64°. In the twenty-first O site, O(21) is bonded to one Sr(1), one Sr(14), one Sr(16), one Sr(8), one Mn(1), and one Mn(6) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(16)Sr4Mn2 octahedra,  an edgeedge with one O(9)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(22)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra,  a faceface with one O(8)Sr4Mn2 octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra,  a faceface with one O(29)Sr5Mn octahedra, and  a faceface with one O(3)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 3-60°. In the twenty-second O site, O(22) is bonded to one Sr(1), one Sr(13), one Sr(16), one Sr(7), one Mn(6), and one Mn(8) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(24)Sr5Mn octahedra,  a cornercorner with one O(28)Sr5Mn octahedra,  a cornercorner with one O(29)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra,  a cornercorner with one O(4)Sr5Mn octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(5)Sr5Mn octahedra,  an edgeedge with one O(18)Sr4Mn2 octahedra,  an edgeedge with one O(8)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(9)Sr4Mn2 octahedra,  a faceface with one O(1)Sr5Mn octahedra,  a faceface with one O(10)Sr5Mn octahedra,  a faceface with one O(26)Sr5Mn octahedra, and  a faceface with one O(27)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 2-64°. In the twenty-third O site, O(23) is bonded to one Sr(14), one Sr(15), one Sr(2), one Sr(8), one Mn(1), and one Mn(7) atom to form distorted OSr4Mn2 octahedra that share  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra,  a cornercorner with one O(10)Sr5Mn octahedra,  a cornercorner with one O(11)Sr5Mn octahedra,  a cornercorner with one O(2)Sr5Mn octahedra,  a cornercorner with one O(25)Sr5Mn octahedra,  a cornercorner with one O(26)Sr5Mn octahedra,  a cornercorner with one O(27)Sr5Mn octahedra,  a cornercorner with one O(3)Sr5Mn octahedra, corners with two equivalent O(19)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(17)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(11)Sr5Mn octahedra,  a faceface with one O(28)Sr5Mn octahedra,  a faceface with one O(29)Sr5Mn octahedra, and  a faceface with one O(3)Sr5Mn octahedra. The corner-sharing octahedral tilt angles range from 10-64°. In the twenty-fourth O site, O(24) is bonded to one Sr(11), one Sr(12), one Sr(13), one Sr(3), one Sr(9), and one Mn(4) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(5)Sr5Mn octahedra, corners with two equivalent O(9)Sr4Mn2 octahedra, corners with two equivalent O(1)Sr5Mn octahedra, corners with two equivalent O(25)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(27)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  a faceface with one O(13)Sr4Mn2 octahedra,  a faceface with one O(15)Sr4Mn2 octahedra, and  a faceface with one O(18)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 5-64°. In the twenty-fifth O site, O(25) is bonded to one Sr(10), one Sr(11), one Sr(12), one Sr(14), one Sr(4), and one Mn(5) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(12)Sr4Mn2 octahedra,  a cornercorner with one O(13)Sr4Mn2 octahedra,  a cornercorner with one O(14)Sr4Mn2 octahedra,  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(6)Sr5Mn octahedra, corners with two equivalent O(8)Sr4Mn2 octahedra, corners with two equivalent O(24)Sr5Mn octahedra, corners with two equivalent O(3)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(26)Sr5Mn octahedra,  an edgeedge with one O(28)Sr5Mn octahedra,  an edgeedge with one O(29)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(12)Sr4Mn2 octahedra,  a faceface with one O(14)Sr4Mn2 octahedra,  a faceface with one O(16)Sr4Mn2 octahedra, and  a faceface with one O(17)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the twenty-sixth O site, O(26) is bonded to one Sr(1), one Sr(12), one Sr(13), one Sr(14), one Sr(5), and one Mn(6) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(10)Sr5Mn octahedra, corners with two equivalent O(14)Sr4Mn2 octahedra, corners with two equivalent O(20)Sr5Mn octahedra, corners with two equivalent O(28)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(15)Sr4Mn2 octahedra,  a faceface with one O(17)Sr4Mn2 octahedra,  a faceface with one O(21)Sr4Mn2 octahedra, and  a faceface with one O(22)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-58°. In the twenty-seventh O site, O(27) is bonded to one Sr(15), one Sr(16), one Sr(3), one Sr(7), one Sr(9), and one Mn(8) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(23)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(1)Sr5Mn octahedra, corners with two equivalent O(13)Sr4Mn2 octahedra, corners with two equivalent O(29)Sr5Mn octahedra, corners with two equivalent O(5)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(22)Sr4Mn2 octahedra, and  a faceface with one O(9)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the twenty-eighth O site, O(28) is bonded to one Sr(11), one Sr(13), one Sr(14), one Sr(2), one Sr(6), and one Mn(7) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(15)Sr4Mn2 octahedra,  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(18)Sr4Mn2 octahedra,  a cornercorner with one O(21)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(11)Sr5Mn octahedra, corners with two equivalent O(12)Sr4Mn2 octahedra, corners with two equivalent O(13)Sr4Mn2 octahedra, corners with two equivalent O(19)Sr5Mn octahedra, corners with two equivalent O(26)Sr5Mn octahedra,  an edgeedge with one O(1)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(24)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(5)Sr5Mn octahedra,  an edgeedge with one O(6)Sr5Mn octahedra,  a faceface with one O(16)Sr4Mn2 octahedra,  a faceface with one O(18)Sr4Mn2 octahedra, and  a faceface with one O(23)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-63°. In the twenty-ninth O site, O(29) is bonded to one Sr(10), one Sr(15), one Sr(16), one Sr(4), one Sr(8), and one Mn(1) atom to form distorted OSr5Mn octahedra that share  a cornercorner with one O(16)Sr4Mn2 octahedra,  a cornercorner with one O(17)Sr4Mn2 octahedra,  a cornercorner with one O(22)Sr4Mn2 octahedra,  a cornercorner with one O(8)Sr4Mn2 octahedra,  a cornercorner with one O(9)Sr4Mn2 octahedra,  a cornercorner with one O(3)Sr5Mn octahedra, corners with two equivalent O(12)Sr4Mn2 octahedra, corners with two equivalent O(14)Sr4Mn2 octahedra, corners with two equivalent O(27)Sr5Mn octahedra, corners with two equivalent O(6)Sr5Mn octahedra,  an edgeedge with one O(10)Sr5Mn octahedra,  an edgeedge with one O(11)Sr5Mn octahedra,  an edgeedge with one O(19)Sr5Mn octahedra,  an edgeedge with one O(2)Sr5Mn octahedra,  an edgeedge with one O(20)Sr5Mn octahedra,  an edgeedge with one O(25)Sr5Mn octahedra,  an edgeedge with one O(3)Sr5Mn octahedra,  an edgeedge with one O(4)Sr5Mn octahedra,  a faceface with one O(21)Sr4Mn2 octahedra,  a faceface with one O(23)Sr4Mn2 octahedra, and  a faceface with one O(8)Sr4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 1-63°. is represented by the CIF card [CIF]
data_Sr16Mn8O29
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.823
_cell_length_b   10.254
_cell_length_c   10.825
_cell_angle_alpha   90.112
_cell_angle_beta   90.048
_cell_angle_gamma   104.240
_symmetry_Int_Tables_number   1
_cell_volume   734.096
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Sr  Sr0  1  0.213  0.932  0.999  1.0
  Sr  Sr1  1  0.228  0.920  0.501  1.0
  Sr  Sr2  1  0.021  0.317  0.253  1.0
  Sr  Sr3  1  0.039  0.332  0.756  1.0
  Sr  Sr4  1  0.286  0.581  0.993  1.0
  Sr  Sr5  1  0.287  0.569  0.498  1.0
  Sr  Sr6  1  0.519  0.814  0.243  1.0
  Sr  Sr7  1  0.540  0.825  0.748  1.0
  Sr  Sr8  1  0.462  0.169  0.255  1.0
  Sr  Sr9  1  0.480  0.185  0.757  1.0
  Sr  Sr10  1  0.710  0.429  0.501  1.0
  Sr  Sr11  1  0.729  0.433  0.996  1.0
  Sr  Sr12  1  0.961  0.667  0.242  1.0
  Sr  Sr13  1  0.966  0.682  0.747  1.0
  Sr  Sr14  1  0.768  0.075  0.504  1.0
  Sr  Sr15  1  0.790  0.073  0.003  1.0
  Mn  Mn16  1  0.003  0.000  0.750  1.0
  Mn  Mn17  1  0.245  0.249  0.500  1.0
  Mn  Mn18  1  0.255  0.253  0.999  1.0
  Mn  Mn19  1  0.499  0.499  0.248  1.0
  Mn  Mn20  1  0.502  0.503  0.751  1.0
  Mn  Mn21  1  0.748  0.750  0.999  1.0
  Mn  Mn22  1  0.753  0.749  0.500  1.0
  Mn  Mn23  1  0.997  0.999  0.252  1.0
  O  O24  1  0.217  0.912  0.258  1.0
  O  O25  1  0.007  0.320  0.509  1.0
  O  O26  1  0.245  0.931  0.741  1.0
  O  O27  1  0.032  0.338  0.009  1.0
  O  O28  1  0.256  0.566  0.238  1.0
  O  O29  1  0.266  0.581  0.748  1.0
  O  O30  1  0.102  0.103  0.396  1.0
  O  O31  1  0.134  0.130  0.861  1.0
  O  O32  1  0.136  0.137  0.129  1.0
  O  O33  1  0.513  0.831  0.999  1.0
  O  O34  1  0.532  0.835  0.490  1.0
  O  O35  1  0.366  0.367  0.632  1.0
  O  O36  1  0.368  0.370  0.362  1.0
  O  O37  1  0.388  0.386  0.887  1.0
  O  O38  1  0.613  0.613  0.115  1.0
  O  O39  1  0.620  0.620  0.625  1.0
  O  O40  1  0.629  0.633  0.869  1.0
  O  O41  1  0.639  0.637  0.371  1.0
  O  O42  1  0.467  0.166  0.510  1.0
  O  O43  1  0.497  0.182  0.010  1.0
  O  O44  1  0.875  0.877  0.881  1.0
  O  O45  1  0.864  0.867  0.134  1.0
  O  O46  1  0.891  0.888  0.611  1.0
  O  O47  1  0.720  0.410  0.242  1.0
  O  O48  1  0.737  0.426  0.750  1.0
  O  O49  1  0.983  0.675  0.997  1.0
  O  O50  1  0.757  0.066  0.260  1.0
  O  O51  1  0.994  0.678  0.490  1.0
  O  O52  1  0.781  0.088  0.743  1.0
[/CIF]
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