The structure described by Sr9U9O34 crystallizes in the triclinic P1 space group. There are nine inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted body-centered cubic geometry to one O(1), one O(12), one O(16), one O(27), one O(34), one O(4), one O(5), and one O(6) atom. In the second Sr site, Sr(2) is bonded in a distorted body-centered cubic geometry to one O(1), one O(10), one O(16), one O(20), one O(3), one O(7), one O(8), and one O(9) atom. In the third Sr site, Sr(3) is bonded to one O(11), one O(12), one O(13), one O(20), one O(24), one O(3), and one O(5) atom to form distorted SrO7 hexagonal pyramids that share  a cornercorner with one U(4)O7 pentagonal bipyramid,  an edgeedge with one U(2)O7 pentagonal bipyramid, and  an edgeedge with one U(4)O7 pentagonal bipyramid. In the fourth Sr site, Sr(4) is bonded in a distorted body-centered cubic geometry to one O(14), one O(15), one O(16), one O(17), one O(24), one O(28), one O(5), and one O(8) atom. In the fifth Sr site, Sr(5) is bonded in a distorted body-centered cubic geometry to one O(11), one O(18), one O(19), one O(20), one O(21), one O(28), one O(30), and one O(8) atom. In the sixth Sr site, Sr(6) is bonded in a body-centered cubic geometry to one O(11), one O(15), one O(22), one O(23), one O(24), one O(25), one O(30), and one O(32) atom. In the seventh Sr site, Sr(7) is bonded in a distorted body-centered cubic geometry to one O(15), one O(19), one O(26), one O(27), one O(28), one O(29), one O(32), and one O(34) atom. In the eighth Sr site, Sr(8) is bonded to one O(1), one O(19), one O(23), one O(30), one O(31), one O(34), and one O(9) atom to form distorted SrO7 hexagonal pyramids that share  a cornercorner with one U(2)O7 pentagonal bipyramid,  a cornercorner with one U(8)O7 pentagonal bipyramid,  a cornercorner with one U(9)O7 pentagonal bipyramid, and  an edgeedge with one U(9)O7 pentagonal bipyramid. In the ninth Sr site, Sr(9) is bonded in a distorted body-centered cubic geometry to one O(12), one O(2), one O(23), one O(27), one O(3), one O(32), one O(33), and one O(9) atom. There are nine inequivalent U sites. In the first U site, U(1) is bonded in a 6-coordinate geometry to one O(2), one O(26), one O(27), one O(31), one O(4), and one O(9) atom. In the second U site, U(2) is bonded to one O(1), one O(12), one O(13), one O(33), one O(4), one O(6), and one O(7) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(8)O7 hexagonal pyramid,  a cornercorner with one U(8)O7 pentagonal bipyramid,  a cornercorner with one U(9)O7 pentagonal bipyramid,  an edgeedge with one Sr(3)O7 hexagonal pyramid, and  an edgeedge with one U(4)O7 pentagonal bipyramid. In the third U site, U(3) is bonded in a 7-coordinate geometry to one O(10), one O(16), one O(17), one O(2), one O(3), one O(6), and one O(7) atom. In the fourth U site, U(4) is bonded to one O(10), one O(13), one O(14), one O(20), one O(21), one O(4), and one O(5) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(3)O7 hexagonal pyramid,  an edgeedge with one Sr(3)O7 hexagonal pyramid, and  an edgeedge with one U(2)O7 pentagonal bipyramid. In the fifth U site, U(5) is bonded in a 7-coordinate geometry to one O(13), one O(14), one O(18), one O(24), one O(25), one O(7), and one O(8) atom. In the sixth U site, U(6) is bonded in a 7-coordinate geometry to one O(11), one O(17), one O(18), one O(21), one O(22), one O(28), and one O(29) atom. In the seventh U site, U(7) is bonded in a 7-coordinate geometry to one O(14), one O(15), one O(22), one O(25), one O(26), one O(30), and one O(31) atom. In the eighth U site, U(8) is bonded to one O(18), one O(19), one O(25), one O(26), one O(29), one O(32), and one O(33) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(8)O7 hexagonal pyramid,  a cornercorner with one U(2)O7 pentagonal bipyramid, and  a cornercorner with one U(9)O7 pentagonal bipyramid. In the ninth U site, U(9) is bonded to one O(2), one O(22), one O(23), one O(29), one O(31), one O(34), and one O(6) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(8)O7 hexagonal pyramid,  a cornercorner with one U(2)O7 pentagonal bipyramid,  a cornercorner with one U(8)O7 pentagonal bipyramid, and  an edgeedge with one Sr(8)O7 hexagonal pyramid. There are thirty-four inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(8), and one U(2) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(12)Sr3U tetrahedra,  an edgeedge with one O(16)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(4)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the second O site, O(2) is bonded to one Sr(9), one U(1), one U(3), and one U(9) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(9)Sr3U tetrahedra,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(29)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the third O site, O(3) is bonded to one Sr(2), one Sr(3), one Sr(9), and one U(3) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra, corners with two equivalent O(16)Sr3U tetrahedra,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the fourth O site, O(4) is bonded to one Sr(1), one U(1), one U(2), and one U(4) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(12)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(3), one Sr(4), and one U(4) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra, corners with two equivalent O(20)Sr3U tetrahedra, corners with two equivalent O(13)SrU3 tetrahedra,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(16)Sr3U tetrahedra,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra, and  an edgeedge with one O(4)SrU3 trigonal pyramid. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Sr(1), one U(2), one U(3), and one U(9) atom. In the seventh O site, O(7) is bonded to one Sr(2), one U(2), one U(3), and one U(5) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(16)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the eighth O site, O(8) is bonded to one Sr(2), one Sr(4), one Sr(5), and one U(5) atom to form OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(24)Sr3U tetrahedra,  an edgeedge with one O(16)Sr3U tetrahedra,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(18)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the ninth O site, O(9) is bonded to one Sr(2), one Sr(8), one Sr(9), and one U(1) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(27)Sr3U tetrahedra,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid, corners with two equivalent O(2)SrU3 trigonal pyramids,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Sr(2), one U(3), and one U(4) atom. In the eleventh O site, O(11) is bonded to one Sr(3), one Sr(5), one Sr(6), and one U(6) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(28)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(18)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Sr(1), one Sr(3), one Sr(9), and one U(2) atom to form OSr3U tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra, corners with two equivalent O(1)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid, corners with two equivalent O(4)SrU3 trigonal pyramids,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the thirteenth O site, O(13) is bonded to one Sr(3), one U(2), one U(4), and one U(5) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(5)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(4)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Sr(4), one U(4), one U(5), and one U(7) atom to form distorted OSrU3 tetrahedra that share  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(24)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra,  an edgeedge with one O(13)SrU3 tetrahedra, and  an edgeedge with one O(25)SrU3 tetrahedra. In the fifteenth O site, O(15) is bonded to one Sr(4), one Sr(6), one Sr(7), and one U(7) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(30)Sr3U tetrahedra, corners with two equivalent O(25)SrU3 tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the sixteenth O site, O(16) is bonded to one Sr(1), one Sr(2), one Sr(4), and one U(3) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra, corners with two equivalent O(3)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid, corners with two equivalent O(7)SrU3 trigonal pyramids,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra, and  an edgeedge with one O(8)Sr3U tetrahedra. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one Sr(4), one U(3), and one U(6) atom. In the eighteenth O site, O(18) is bonded to one Sr(5), one U(5), one U(6), and one U(8) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(28)Sr3U tetrahedra,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the nineteenth O site, O(19) is bonded to one Sr(5), one Sr(7), one Sr(8), and one U(8) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(32)Sr3U tetrahedra, corners with two equivalent O(29)SrU3 trigonal pyramids,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra, and  an edgeedge with one O(18)SrU3 trigonal pyramid. In the twentieth O site, O(20) is bonded to one Sr(2), one Sr(3), one Sr(5), and one U(4) atom to form OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra, corners with two equivalent O(5)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the twenty-first O site, O(21) is bonded in a distorted bent 150 degrees geometry to one Sr(5), one U(4), and one U(6) atom. In the twenty-second O site, O(22) is bonded to one Sr(6), one U(6), one U(7), and one U(9) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(30)Sr3U tetrahedra, corners with two equivalent O(25)SrU3 tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(31)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the twenty-third O site, O(23) is bonded to one Sr(6), one Sr(8), one Sr(9), and one U(9) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(34)Sr3U tetrahedra, corners with two equivalent O(31)SrU3 tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the twenty-fourth O site, O(24) is bonded to one Sr(3), one Sr(4), one Sr(6), and one U(5) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra, corners with two equivalent O(8)Sr3U tetrahedra, corners with two equivalent O(14)SrU3 tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra,  an edgeedge with one O(13)SrU3 tetrahedra, and  an edgeedge with one O(25)SrU3 tetrahedra. In the twenty-fifth O site, O(25) is bonded to one Sr(6), one U(5), one U(7), and one U(8) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(15)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid, corners with two equivalent O(22)SrU3 trigonal pyramids,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra, and  an edgeedge with one O(18)SrU3 trigonal pyramid. In the twenty-sixth O site, O(26) is bonded to one Sr(7), one U(1), one U(7), and one U(8) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra, corners with two equivalent O(32)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid, corners with two equivalent O(29)SrU3 trigonal pyramids,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the twenty-seventh O site, O(27) is bonded to one Sr(1), one Sr(7), one Sr(9), and one U(1) atom to form OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(9)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(4)SrU3 trigonal pyramid. In the twenty-eighth O site, O(28) is bonded to one Sr(4), one Sr(5), one Sr(7), and one U(6) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(11)Sr3U tetrahedra,  a cornercorner with one O(22)SrU3 trigonal pyramid, corners with two equivalent O(18)SrU3 trigonal pyramids,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the twenty-ninth O site, O(29) is bonded to one Sr(7), one U(6), one U(8), and one U(9) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(19)Sr3U tetrahedra, corners with two equivalent O(26)SrU3 tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(18)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the thirtieth O site, O(30) is bonded to one Sr(5), one Sr(6), one Sr(8), and one U(7) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(15)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid, corners with two equivalent O(22)SrU3 trigonal pyramids,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the thirty-first O site, O(31) is bonded to one Sr(8), one U(1), one U(7), and one U(9) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(23)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the thirty-second O site, O(32) is bonded to one Sr(6), one Sr(7), one Sr(9), and one U(8) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra, corners with two equivalent O(19)Sr3U tetrahedra, corners with two equivalent O(26)SrU3 tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the thirty-third O site, O(33) is bonded in a distorted bent 150 degrees geometry to one Sr(9), one U(2), and one U(8) atom. In the thirty-fourth O site, O(34) is bonded to one Sr(1), one Sr(7), one Sr(8), and one U(9) atom to form OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(23)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(31)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. is represented by the CIF file [CIF]
data_Sr9U9O34
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.768
_cell_length_b   8.737
_cell_length_c   12.006
_cell_angle_alpha   103.214
_cell_angle_beta   89.952
_cell_angle_gamma   99.675
_symmetry_Int_Tables_number   1
_cell_volume   781.390
_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  0.834  0.327  0.893  1.0
  Sr  Sr1  1  0.165  0.665  0.776  1.0
  Sr  Sr2  1  0.498  0.006  0.665  1.0
  Sr  Sr3  1  0.835  0.337  0.557  1.0
  Sr  Sr4  1  0.164  0.662  0.446  1.0
  Sr  Sr5  1  0.500  0.997  0.336  1.0
  Sr  Sr6  1  0.834  0.331  0.216  1.0
  Sr  Sr7  1  0.164  0.676  0.113  1.0
  Sr  Sr8  1  0.499  0.001  0.999  1.0
  U  U9  1  0.992  0.002  0.004  1.0
  U  U10  1  0.332  0.326  0.880  1.0
  U  U11  1  0.660  0.662  0.785  1.0
  U  U12  1  0.012  0.007  0.667  1.0
  U  U13  1  0.327  0.329  0.554  1.0
  U  U14  1  0.661  0.661  0.435  1.0
  U  U15  1  0.001  0.006  0.332  1.0
  U  U16  1  0.330  0.326  0.230  1.0
  U  U17  1  0.681  0.677  0.113  1.0
  O  O18  1  0.160  0.477  0.915  1.0
  O  O19  1  0.745  0.805  0.965  1.0
  O  O20  1  0.490  0.813  0.798  1.0
  O  O21  1  0.073  0.132  0.864  1.0
  O  O22  1  0.820  0.138  0.691  1.0
  O  O23  1  0.557  0.515  0.954  1.0
  O  O24  1  0.415  0.476  0.743  1.0
  O  O25  1  0.148  0.473  0.579  1.0
  O  O26  1  0.177  0.867  0.971  1.0
  O  O27  1  0.885  0.842  0.768  1.0
  O  O28  1  0.490  0.812  0.473  1.0
  O  O29  1  0.512  0.184  0.859  1.0
  O  O30  1  0.264  0.189  0.694  1.0
  O  O31  1  0.059  0.133  0.520  1.0
  O  O32  1  0.821  0.145  0.353  1.0
  O  O33  1  0.836  0.515  0.766  1.0
  O  O34  1  0.636  0.592  0.598  1.0
  O  O35  1  0.412  0.473  0.416  1.0
  O  O36  1  0.164  0.480  0.244  1.0
  O  O37  1  0.188  0.861  0.643  1.0
  O  O38  1  0.885  0.839  0.513  1.0
  O  O39  1  0.745  0.806  0.303  1.0
  O  O40  1  0.486  0.805  0.134  1.0
  O  O41  1  0.521  0.203  0.533  1.0
  O  O42  1  0.261  0.184  0.367  1.0
  O  O43  1  0.075  0.149  0.185  1.0
  O  O44  1  0.810  0.139  0.026  1.0
  O  O45  1  0.836  0.514  0.405  1.0
  O  O46  1  0.557  0.514  0.218  1.0
  O  O47  1  0.171  0.856  0.319  1.0
  O  O48  1  0.941  0.863  0.142  1.0
  O  O49  1  0.509  0.182  0.203  1.0
  O  O50  1  0.302  0.256  0.042  1.0
  O  O51  1  0.858  0.530  0.088  1.0
[/CIF]
.
The structure described by Sr9U9O34 crystallizes in the triclinic P1 space group. There are nine inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted body-centered cubic geometry to one O(1), one O(12), one O(16), one O(27), one O(34), one O(4), one O(5), and one O(6) atom. In the second Sr site, Sr(2) is bonded in a distorted body-centered cubic geometry to one O(1), one O(10), one O(16), one O(20), one O(3), one O(7), one O(8), and one O(9) atom. In the third Sr site, Sr(3) is bonded to one O(11), one O(12), one O(13), one O(20), one O(24), one O(3), and one O(5) atom to form distorted SrO7 hexagonal pyramids that share  a cornercorner with one U(4)O7 pentagonal bipyramid,  an edgeedge with one U(2)O7 pentagonal bipyramid, and  an edgeedge with one U(4)O7 pentagonal bipyramid. In the fourth Sr site, Sr(4) is bonded in a distorted body-centered cubic geometry to one O(14), one O(15), one O(16), one O(17), one O(24), one O(28), one O(5), and one O(8) atom. In the fifth Sr site, Sr(5) is bonded in a distorted body-centered cubic geometry to one O(11), one O(18), one O(19), one O(20), one O(21), one O(28), one O(30), and one O(8) atom. In the sixth Sr site, Sr(6) is bonded in a body-centered cubic geometry to one O(11), one O(15), one O(22), one O(23), one O(24), one O(25), one O(30), and one O(32) atom. In the seventh Sr site, Sr(7) is bonded in a distorted body-centered cubic geometry to one O(15), one O(19), one O(26), one O(27), one O(28), one O(29), one O(32), and one O(34) atom. In the eighth Sr site, Sr(8) is bonded to one O(1), one O(19), one O(23), one O(30), one O(31), one O(34), and one O(9) atom to form distorted SrO7 hexagonal pyramids that share  a cornercorner with one U(2)O7 pentagonal bipyramid,  a cornercorner with one U(8)O7 pentagonal bipyramid,  a cornercorner with one U(9)O7 pentagonal bipyramid, and  an edgeedge with one U(9)O7 pentagonal bipyramid. In the ninth Sr site, Sr(9) is bonded in a distorted body-centered cubic geometry to one O(12), one O(2), one O(23), one O(27), one O(3), one O(32), one O(33), and one O(9) atom. There are nine inequivalent U sites. In the first U site, U(1) is bonded in a 6-coordinate geometry to one O(2), one O(26), one O(27), one O(31), one O(4), and one O(9) atom. In the second U site, U(2) is bonded to one O(1), one O(12), one O(13), one O(33), one O(4), one O(6), and one O(7) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(8)O7 hexagonal pyramid,  a cornercorner with one U(8)O7 pentagonal bipyramid,  a cornercorner with one U(9)O7 pentagonal bipyramid,  an edgeedge with one Sr(3)O7 hexagonal pyramid, and  an edgeedge with one U(4)O7 pentagonal bipyramid. In the third U site, U(3) is bonded in a 7-coordinate geometry to one O(10), one O(16), one O(17), one O(2), one O(3), one O(6), and one O(7) atom. In the fourth U site, U(4) is bonded to one O(10), one O(13), one O(14), one O(20), one O(21), one O(4), and one O(5) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(3)O7 hexagonal pyramid,  an edgeedge with one Sr(3)O7 hexagonal pyramid, and  an edgeedge with one U(2)O7 pentagonal bipyramid. In the fifth U site, U(5) is bonded in a 7-coordinate geometry to one O(13), one O(14), one O(18), one O(24), one O(25), one O(7), and one O(8) atom. In the sixth U site, U(6) is bonded in a 7-coordinate geometry to one O(11), one O(17), one O(18), one O(21), one O(22), one O(28), and one O(29) atom. In the seventh U site, U(7) is bonded in a 7-coordinate geometry to one O(14), one O(15), one O(22), one O(25), one O(26), one O(30), and one O(31) atom. In the eighth U site, U(8) is bonded to one O(18), one O(19), one O(25), one O(26), one O(29), one O(32), and one O(33) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(8)O7 hexagonal pyramid,  a cornercorner with one U(2)O7 pentagonal bipyramid, and  a cornercorner with one U(9)O7 pentagonal bipyramid. In the ninth U site, U(9) is bonded to one O(2), one O(22), one O(23), one O(29), one O(31), one O(34), and one O(6) atom to form distorted UO7 pentagonal bipyramids that share  a cornercorner with one Sr(8)O7 hexagonal pyramid,  a cornercorner with one U(2)O7 pentagonal bipyramid,  a cornercorner with one U(8)O7 pentagonal bipyramid, and  an edgeedge with one Sr(8)O7 hexagonal pyramid. There are thirty-four inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(8), and one U(2) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(12)Sr3U tetrahedra,  an edgeedge with one O(16)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(4)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the second O site, O(2) is bonded to one Sr(9), one U(1), one U(3), and one U(9) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(9)Sr3U tetrahedra,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(29)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the third O site, O(3) is bonded to one Sr(2), one Sr(3), one Sr(9), and one U(3) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra, corners with two equivalent O(16)Sr3U tetrahedra,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the fourth O site, O(4) is bonded to one Sr(1), one U(1), one U(2), and one U(4) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(12)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(3), one Sr(4), and one U(4) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra, corners with two equivalent O(20)Sr3U tetrahedra, corners with two equivalent O(13)SrU3 tetrahedra,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(16)Sr3U tetrahedra,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra, and  an edgeedge with one O(4)SrU3 trigonal pyramid. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Sr(1), one U(2), one U(3), and one U(9) atom. In the seventh O site, O(7) is bonded to one Sr(2), one U(2), one U(3), and one U(5) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(16)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the eighth O site, O(8) is bonded to one Sr(2), one Sr(4), one Sr(5), and one U(5) atom to form OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(24)Sr3U tetrahedra,  an edgeedge with one O(16)Sr3U tetrahedra,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(18)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the ninth O site, O(9) is bonded to one Sr(2), one Sr(8), one Sr(9), and one U(1) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(27)Sr3U tetrahedra,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid, corners with two equivalent O(2)SrU3 trigonal pyramids,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Sr(2), one U(3), and one U(4) atom. In the eleventh O site, O(11) is bonded to one Sr(3), one Sr(5), one Sr(6), and one U(6) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(28)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(18)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Sr(1), one Sr(3), one Sr(9), and one U(2) atom to form OSr3U tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra, corners with two equivalent O(1)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid, corners with two equivalent O(4)SrU3 trigonal pyramids,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the thirteenth O site, O(13) is bonded to one Sr(3), one U(2), one U(4), and one U(5) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(5)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(20)Sr3U tetrahedra,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(4)SrU3 trigonal pyramid, and  an edgeedge with one O(7)SrU3 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Sr(4), one U(4), one U(5), and one U(7) atom to form distorted OSrU3 tetrahedra that share  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(24)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra,  an edgeedge with one O(13)SrU3 tetrahedra, and  an edgeedge with one O(25)SrU3 tetrahedra. In the fifteenth O site, O(15) is bonded to one Sr(4), one Sr(6), one Sr(7), and one U(7) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(30)Sr3U tetrahedra, corners with two equivalent O(25)SrU3 tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the sixteenth O site, O(16) is bonded to one Sr(1), one Sr(2), one Sr(4), and one U(3) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra, corners with two equivalent O(3)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid, corners with two equivalent O(7)SrU3 trigonal pyramids,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra, and  an edgeedge with one O(8)Sr3U tetrahedra. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one Sr(4), one U(3), and one U(6) atom. In the eighteenth O site, O(18) is bonded to one Sr(5), one U(5), one U(6), and one U(8) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(28)Sr3U tetrahedra,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the nineteenth O site, O(19) is bonded to one Sr(5), one Sr(7), one Sr(8), and one U(8) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(32)Sr3U tetrahedra, corners with two equivalent O(29)SrU3 trigonal pyramids,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra, and  an edgeedge with one O(18)SrU3 trigonal pyramid. In the twentieth O site, O(20) is bonded to one Sr(2), one Sr(3), one Sr(5), and one U(4) atom to form OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra, corners with two equivalent O(5)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(3)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra, and  an edgeedge with one O(13)SrU3 tetrahedra. In the twenty-first O site, O(21) is bonded in a distorted bent 150 degrees geometry to one Sr(5), one U(4), and one U(6) atom. In the twenty-second O site, O(22) is bonded to one Sr(6), one U(6), one U(7), and one U(9) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(30)Sr3U tetrahedra, corners with two equivalent O(25)SrU3 tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(31)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the twenty-third O site, O(23) is bonded to one Sr(6), one Sr(8), one Sr(9), and one U(9) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(34)Sr3U tetrahedra, corners with two equivalent O(31)SrU3 tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the twenty-fourth O site, O(24) is bonded to one Sr(3), one Sr(4), one Sr(6), and one U(5) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra, corners with two equivalent O(8)Sr3U tetrahedra, corners with two equivalent O(14)SrU3 tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(5)Sr3U tetrahedra,  an edgeedge with one O(13)SrU3 tetrahedra, and  an edgeedge with one O(25)SrU3 tetrahedra. In the twenty-fifth O site, O(25) is bonded to one Sr(6), one U(5), one U(7), and one U(8) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(13)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(15)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  a cornercorner with one O(7)SrU3 trigonal pyramid, corners with two equivalent O(22)SrU3 trigonal pyramids,  an edgeedge with one O(24)Sr3U tetrahedra,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(14)SrU3 tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra, and  an edgeedge with one O(18)SrU3 trigonal pyramid. In the twenty-sixth O site, O(26) is bonded to one Sr(7), one U(1), one U(7), and one U(8) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra, corners with two equivalent O(32)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid, corners with two equivalent O(29)SrU3 trigonal pyramids,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the twenty-seventh O site, O(27) is bonded to one Sr(1), one Sr(7), one Sr(9), and one U(1) atom to form OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(9)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  an edgeedge with one O(12)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(4)SrU3 trigonal pyramid. In the twenty-eighth O site, O(28) is bonded to one Sr(4), one Sr(5), one Sr(7), and one U(6) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(11)Sr3U tetrahedra,  a cornercorner with one O(22)SrU3 trigonal pyramid, corners with two equivalent O(18)SrU3 trigonal pyramids,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(8)Sr3U tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the twenty-ninth O site, O(29) is bonded to one Sr(7), one U(6), one U(8), and one U(9) atom to form distorted OSrU3 trigonal pyramids that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(23)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra,  a cornercorner with one O(31)SrU3 tetrahedra, corners with two equivalent O(19)Sr3U tetrahedra, corners with two equivalent O(26)SrU3 tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  an edgeedge with one O(28)Sr3U tetrahedra,  an edgeedge with one O(32)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(18)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the thirtieth O site, O(30) is bonded to one Sr(5), one Sr(6), one Sr(8), and one U(7) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(20)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(8)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(15)Sr3U tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid, corners with two equivalent O(22)SrU3 trigonal pyramids,  an edgeedge with one O(11)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(31)SrU3 tetrahedra. In the thirty-first O site, O(31) is bonded to one Sr(8), one U(1), one U(7), and one U(9) atom to form OSrU3 tetrahedra that share  a cornercorner with one O(1)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(19)Sr3U tetrahedra,  a cornercorner with one O(27)Sr3U tetrahedra,  a cornercorner with one O(14)SrU3 tetrahedra,  a cornercorner with one O(25)SrU3 tetrahedra, corners with two equivalent O(23)Sr3U tetrahedra,  a cornercorner with one O(29)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  an edgeedge with one O(30)Sr3U tetrahedra,  an edgeedge with one O(34)Sr3U tetrahedra,  an edgeedge with one O(9)Sr3U tetrahedra,  an edgeedge with one O(26)SrU3 tetrahedra,  an edgeedge with one O(2)SrU3 trigonal pyramid, and  an edgeedge with one O(22)SrU3 trigonal pyramid. In the thirty-second O site, O(32) is bonded to one Sr(6), one Sr(7), one Sr(9), and one U(8) atom to form distorted OSr3U tetrahedra that share  a cornercorner with one O(11)Sr3U tetrahedra,  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(24)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(3)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(34)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra, corners with two equivalent O(19)Sr3U tetrahedra, corners with two equivalent O(26)SrU3 tetrahedra,  a cornercorner with one O(18)SrU3 trigonal pyramid,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  an edgeedge with one O(15)Sr3U tetrahedra,  an edgeedge with one O(23)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(25)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. In the thirty-third O site, O(33) is bonded in a distorted bent 150 degrees geometry to one Sr(9), one U(2), and one U(8) atom. In the thirty-fourth O site, O(34) is bonded to one Sr(1), one Sr(7), one Sr(8), and one U(9) atom to form OSr3U tetrahedra that share  a cornercorner with one O(12)Sr3U tetrahedra,  a cornercorner with one O(15)Sr3U tetrahedra,  a cornercorner with one O(16)Sr3U tetrahedra,  a cornercorner with one O(28)Sr3U tetrahedra,  a cornercorner with one O(30)Sr3U tetrahedra,  a cornercorner with one O(32)Sr3U tetrahedra,  a cornercorner with one O(5)Sr3U tetrahedra,  a cornercorner with one O(9)Sr3U tetrahedra,  a cornercorner with one O(26)SrU3 tetrahedra, corners with two equivalent O(23)Sr3U tetrahedra,  a cornercorner with one O(2)SrU3 trigonal pyramid,  a cornercorner with one O(22)SrU3 trigonal pyramid,  a cornercorner with one O(4)SrU3 trigonal pyramid,  an edgeedge with one O(1)Sr3U tetrahedra,  an edgeedge with one O(19)Sr3U tetrahedra,  an edgeedge with one O(27)Sr3U tetrahedra,  an edgeedge with one O(31)SrU3 tetrahedra, and  an edgeedge with one O(29)SrU3 trigonal pyramid. is represented by the CIF file [CIF]
data_Sr9U9O34
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.768
_cell_length_b   8.737
_cell_length_c   12.006
_cell_angle_alpha   103.214
_cell_angle_beta   89.952
_cell_angle_gamma   99.675
_symmetry_Int_Tables_number   1
_cell_volume   781.390
_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  0.834  0.327  0.893  1.0
  Sr  Sr1  1  0.165  0.665  0.776  1.0
  Sr  Sr2  1  0.498  0.006  0.665  1.0
  Sr  Sr3  1  0.835  0.337  0.557  1.0
  Sr  Sr4  1  0.164  0.662  0.446  1.0
  Sr  Sr5  1  0.500  0.997  0.336  1.0
  Sr  Sr6  1  0.834  0.331  0.216  1.0
  Sr  Sr7  1  0.164  0.676  0.113  1.0
  Sr  Sr8  1  0.499  0.001  0.999  1.0
  U  U9  1  0.992  0.002  0.004  1.0
  U  U10  1  0.332  0.326  0.880  1.0
  U  U11  1  0.660  0.662  0.785  1.0
  U  U12  1  0.012  0.007  0.667  1.0
  U  U13  1  0.327  0.329  0.554  1.0
  U  U14  1  0.661  0.661  0.435  1.0
  U  U15  1  0.001  0.006  0.332  1.0
  U  U16  1  0.330  0.326  0.230  1.0
  U  U17  1  0.681  0.677  0.113  1.0
  O  O18  1  0.160  0.477  0.915  1.0
  O  O19  1  0.745  0.805  0.965  1.0
  O  O20  1  0.490  0.813  0.798  1.0
  O  O21  1  0.073  0.132  0.864  1.0
  O  O22  1  0.820  0.138  0.691  1.0
  O  O23  1  0.557  0.515  0.954  1.0
  O  O24  1  0.415  0.476  0.743  1.0
  O  O25  1  0.148  0.473  0.579  1.0
  O  O26  1  0.177  0.867  0.971  1.0
  O  O27  1  0.885  0.842  0.768  1.0
  O  O28  1  0.490  0.812  0.473  1.0
  O  O29  1  0.512  0.184  0.859  1.0
  O  O30  1  0.264  0.189  0.694  1.0
  O  O31  1  0.059  0.133  0.520  1.0
  O  O32  1  0.821  0.145  0.353  1.0
  O  O33  1  0.836  0.515  0.766  1.0
  O  O34  1  0.636  0.592  0.598  1.0
  O  O35  1  0.412  0.473  0.416  1.0
  O  O36  1  0.164  0.480  0.244  1.0
  O  O37  1  0.188  0.861  0.643  1.0
  O  O38  1  0.885  0.839  0.513  1.0
  O  O39  1  0.745  0.806  0.303  1.0
  O  O40  1  0.486  0.805  0.134  1.0
  O  O41  1  0.521  0.203  0.533  1.0
  O  O42  1  0.261  0.184  0.367  1.0
  O  O43  1  0.075  0.149  0.185  1.0
  O  O44  1  0.810  0.139  0.026  1.0
  O  O45  1  0.836  0.514  0.405  1.0
  O  O46  1  0.557  0.514  0.218  1.0
  O  O47  1  0.171  0.856  0.319  1.0
  O  O48  1  0.941  0.863  0.142  1.0
  O  O49  1  0.509  0.182  0.203  1.0
  O  O50  1  0.302  0.256  0.042  1.0
  O  O51  1  0.858  0.530  0.088  1.0
[/CIF]
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