The crystal structure described by Sr13Mn8O30 crystallizes in the triclinic P1 space group. There are thirteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(16), one O(26), one O(27), one O(29), one O(30), one O(4), and one O(5) atom. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(11), one O(13), one O(25), one O(28), one O(29), one O(3), one O(30), and one O(6) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(25), one O(29), one O(5), one O(6), one O(8), and one O(9) atom. In the fourth Sr site, Sr(4) is bonded to one O(11), one O(12), one O(2), one O(27), and one O(28) atom to form distorted SrO5 trigonal bipyramids that share  a cornercorner with one Sr(6)O6 pentagonal pyramid,  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(6)O5 trigonal bipyramid, and  a cornercorner with one O(13)Sr3O trigonal pyramid. In the fifth Sr site, Sr(5) is bonded in a 7-coordinate geometry to one O(1), one O(12), one O(21), one O(27), one O(3), one O(4), and one O(5) atom. In the sixth Sr site, Sr(6) is bonded to one O(10), one O(12), one O(16), one O(21), one O(23), and one O(5) atom to form distorted SrO6 pentagonal pyramids that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Sr(4)O5 trigonal bipyramid,  a cornercorner with one Mn(7)O5 trigonal bipyramid,  an edgeedge with one Mn(3)O5 trigonal bipyramid, and  an edgeedge with one Mn(6)O5 trigonal bipyramid. In the seventh Sr site, Sr(7) is bonded in a 7-coordinate geometry to one O(11), one O(13), one O(18), one O(20), one O(24), one O(7), and one O(9) atom. In the eighth Sr site, Sr(8) is bonded in a 6-coordinate geometry to one O(15), one O(17), one O(22), one O(25), one O(7), and one O(8) atom. In the ninth Sr site, Sr(9) is bonded in a 7-coordinate geometry to one O(13), one O(18), one O(19), one O(26), one O(27), one O(28), and one O(30) atom. In the tenth Sr site, Sr(10) is bonded in a 8-coordinate geometry to one O(1), one O(14), one O(19), one O(20), one O(26), one O(27), one O(29), and one O(3) atom. In the eleventh Sr site, Sr(11) is bonded in a 6-coordinate geometry to one O(2), one O(22), one O(23), one O(24), one O(25), and one O(30) atom. In the twelfth Sr site, Sr(12) is bonded in a 7-coordinate geometry to one O(1), one O(17), one O(2), one O(20), one O(24), one O(25), and one O(28) atom. In the thirteenth Sr site, Sr(13) is bonded in a 7-coordinate geometry to one O(1), one O(14), one O(15), one O(2), one O(23), one O(26), and one O(5) atom. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(29), one O(3), one O(4), one O(7), and one O(8) atom to form distorted corner-sharing MnO5 trigonal bipyramids. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(30), and one O(6) atom to form MnO4 tetrahedra that share  a cornercorner with one Sr(6)O6 pentagonal pyramid,  a cornercorner with one Sr(4)O5 trigonal bipyramid, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. In the third Mn site, Mn(3) is bonded to one O(10), one O(15), one O(16), one O(19), and one O(4) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(6)O5 trigonal bipyramid, and  an edgeedge with one Sr(6)O6 pentagonal pyramid. In the fourth Mn site, Mn(4) is bonded in a distorted square co-planar geometry to one O(11), one O(22), one O(6), and one O(7) atom. In the fifth Mn site, Mn(5) is bonded in a distorted rectangular see-saw-like geometry to one O(17), one O(22), one O(24), one O(6), and one O(9) atom. In the sixth Mn site, Mn(6) is bonded to one O(12), one O(14), one O(18), one O(19), and one O(21) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Sr(4)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  an edgeedge with one Sr(6)O6 pentagonal pyramid, and  an edgeedge with one Mn(7)O5 trigonal bipyramid. In the seventh Mn site, Mn(7) is bonded to one O(1), one O(14), one O(17), one O(20), and one O(21) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Sr(6)O6 pentagonal pyramid and  an edgeedge with one Mn(6)O5 trigonal bipyramid. In the eighth Mn site, Mn(8) is bonded in a 5-coordinate geometry to one O(18), one O(2), one O(23), one O(24), and one O(28) atom. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Sr(10), one Sr(12), one Sr(13), one Sr(3), one Sr(5), and one Mn(7) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(11), one Sr(12), one Sr(13), one Sr(4), and one Mn(8) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Sr(10), one Sr(2), one Sr(5), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(5), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(13), one Sr(3), one Sr(5), and one Sr(6) atom to form OSr5 trigonal bipyramids that share  a cornercorner with one O(25)Sr5 trigonal bipyramid,  a cornercorner with one O(14)Sr2Mn2 trigonal pyramid, and  an edgeedge with one O(29)Sr4Mn trigonal bipyramid. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Mn(2), one Mn(4), and one Mn(5) atom. In the seventh O site, O(7) is bonded to one Sr(7), one Sr(8), one Mn(1), and one Mn(4) atom to form distorted OSr2Mn2 trigonal pyramids that share  a cornercorner with one O(29)Sr4Mn trigonal bipyramid,  a cornercorner with one O(25)Sr5 trigonal bipyramid,  a cornercorner with one O(13)Sr3O trigonal pyramid, and  an edgeedge with one O(22)Sr2Mn2 trigonal pyramid. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(8), one Mn(1), and one O(16) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Sr(3), one Sr(7), and one Mn(5) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(6), one Mn(2), and one Mn(3) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one Sr(7), one Mn(2), and one Mn(4) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Sr(4), one Sr(5), one Sr(6), and one Mn(6) atom. In the thirteenth O site, O(13) is bonded to one Sr(2), one Sr(7), one Sr(9), and one O(28) atom to form distorted OSr3O trigonal pyramids that share  a cornercorner with one Sr(4)O5 trigonal bipyramid,  a cornercorner with one O(29)Sr4Mn trigonal bipyramid,  a cornercorner with one O(25)Sr5 trigonal bipyramid,  a cornercorner with one O(7)Sr2Mn2 trigonal pyramid, and  an edgeedge with one O(28)Sr4MnO octahedra. In the fourteenth O site, O(14) is bonded to one Sr(10), one Sr(13), one Mn(6), and one Mn(7) atom to form distorted OSr2Mn2 trigonal pyramids that share  a cornercorner with one O(29)Sr4Mn trigonal bipyramid and  a cornercorner with one O(5)Sr5 trigonal bipyramid. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Sr(13), one Sr(8), one Mn(3), and one O(26) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(6), one Mn(3), and one O(8) atom. In the seventeenth O site, O(17) is bonded in a 4-coordinate geometry to one Sr(12), one Sr(8), one Mn(5), and one Mn(7) atom. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Sr(7), one Sr(9), one Mn(6), and one Mn(8) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(9), one Mn(3), and one Mn(6) atom. In the twentieth O site, O(20) is bonded in a distorted rectangular see-saw-like geometry to one Sr(10), one Sr(12), one Sr(7), and one Mn(7) atom. In the twenty-first O site, O(21) is bonded in a distorted rectangular see-saw-like geometry to one Sr(5), one Sr(6), one Mn(6), and one Mn(7) atom. In the twenty-second O site, O(22) is bonded to one Sr(11), one Sr(8), one Mn(4), and one Mn(5) atom to form distorted OSr2Mn2 trigonal pyramids that share  an edgeedge with one O(25)Sr5 trigonal bipyramid and  an edgeedge with one O(7)Sr2Mn2 trigonal pyramid. In the twenty-third O site, O(23) is bonded in a 4-coordinate geometry to one Sr(11), one Sr(13), one Sr(6), and one Mn(8) atom. In the twenty-fourth O site, O(24) is bonded in a 4-coordinate geometry to one Sr(11), one Sr(12), one Sr(7), one Mn(5), and one Mn(8) atom. In the twenty-fifth O site, O(25) is bonded to one Sr(11), one Sr(12), one Sr(2), one Sr(3), and one Sr(8) atom to form distorted OSr5 trigonal bipyramids that share corners with two equivalent O(28)Sr4MnO octahedra,  a cornercorner with one O(5)Sr5 trigonal bipyramid,  a cornercorner with one O(7)Sr2Mn2 trigonal pyramid,  a cornercorner with one O(13)Sr3O trigonal pyramid,  an edgeedge with one O(29)Sr4Mn trigonal bipyramid, and  an edgeedge with one O(22)Sr2Mn2 trigonal pyramid. The corner-sharing octahedral tilt angles range from 40-52°. In the twenty-sixth O site, O(26) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(13), one Sr(9), and one O(15) atom. In the twenty-seventh O site, O(27) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(4), one Sr(5), and one Sr(9) atom. In the twenty-eighth O site, O(28) is bonded to one Sr(12), one Sr(2), one Sr(4), one Sr(9), one Mn(8), and one O(13) atom to form distorted OSr4MnO octahedra that share  a cornercorner with one O(29)Sr4Mn trigonal bipyramid, corners with two equivalent O(25)Sr5 trigonal bipyramids, and  an edgeedge with one O(13)Sr3O trigonal pyramid. In the twenty-ninth O site, O(29) is bonded to one Sr(1), one Sr(10), one Sr(2), one Sr(3), and one Mn(1) atom to form distorted OSr4Mn trigonal bipyramids that share  a cornercorner with one O(28)Sr4MnO octahedra,  a cornercorner with one O(14)Sr2Mn2 trigonal pyramid,  a cornercorner with one O(7)Sr2Mn2 trigonal pyramid,  a cornercorner with one O(13)Sr3O trigonal pyramid,  an edgeedge with one O(25)Sr5 trigonal bipyramid, and  an edgeedge with one O(5)Sr5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 46°. In the thirtieth O site, O(30) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(11), one Sr(2), one Sr(9), and one Mn(2) atom. is represented by the CIF card [CIF]
data_Sr13Mn8O30
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.582
_cell_length_b   9.365
_cell_length_c   10.288
_cell_angle_alpha   89.164
_cell_angle_beta   86.138
_cell_angle_gamma   83.812
_symmetry_Int_Tables_number   1
_cell_volume   820.171
_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  0.099  0.188  0.490  1.0
  Sr  Sr1  1  0.995  0.283  0.005  1.0
  Sr  Sr2  1  0.118  0.968  0.198  1.0
  Sr  Sr3  1  0.114  0.549  0.732  1.0
  Sr  Sr4  1  0.197  0.641  0.374  1.0
  Sr  Sr5  1  0.371  0.906  0.555  1.0
  Sr  Sr6  1  0.489  0.554  0.005  1.0
  Sr  Sr7  1  0.669  0.116  0.193  1.0
  Sr  Sr8  1  0.783  0.369  0.674  1.0
  Sr  Sr9  1  0.879  0.451  0.342  1.0
  Sr  Sr10  1  0.807  0.018  0.845  1.0
  Sr  Sr11  1  0.866  0.731  0.056  1.0
  Sr  Sr12  1  0.858  0.882  0.508  1.0
  Mn  Mn13  1  0.245  0.320  0.221  1.0
  Mn  Mn14  1  0.223  0.177  0.780  1.0
  Mn  Mn15  1  0.468  0.253  0.462  1.0
  Mn  Mn16  1  0.396  0.220  0.980  1.0
  Mn  Mn17  1  0.473  0.898  0.051  1.0
  Mn  Mn18  1  0.516  0.595  0.546  1.0
  Mn  Mn19  1  0.664  0.719  0.309  1.0
  Mn  Mn20  1  0.709  0.715  0.770  1.0
  O  O21  1  0.885  0.756  0.292  1.0
  O  O22  1  0.912  0.769  0.785  1.0
  O  O23  1  0.131  0.488  0.178  1.0
  O  O24  1  0.296  0.367  0.385  1.0
  O  O25  1  0.125  0.913  0.444  1.0
  O  O26  1  0.245  0.089  0.952  1.0
  O  O27  1  0.445  0.335  0.121  1.0
  O  O28  1  0.359  0.109  0.240  1.0
  O  O29  1  0.325  0.779  0.096  1.0
  O  O30  1  0.334  0.172  0.619  1.0
  O  O31  1  0.271  0.359  0.880  1.0
  O  O32  1  0.313  0.649  0.602  1.0
  O  O33  1  0.746  0.386  0.920  1.0
  O  O34  1  0.717  0.647  0.476  1.0
  O  O35  1  0.670  0.119  0.444  1.0
  O  O36  1  0.394  0.086  0.376  1.0
  O  O37  1  0.615  0.867  0.188  1.0
  O  O38  1  0.581  0.576  0.721  1.0
  O  O39  1  0.585  0.404  0.502  1.0
  O  O40  1  0.692  0.574  0.191  1.0
  O  O41  1  0.462  0.706  0.389  1.0
  O  O42  1  0.562  0.074  0.986  1.0
  O  O43  1  0.637  0.873  0.679  1.0
  O  O44  1  0.622  0.772  0.934  1.0
  O  O45  1  0.901  0.033  0.057  1.0
  O  O46  1  0.816  0.169  0.485  1.0
  O  O47  1  0.005  0.457  0.546  1.0
  O  O48  1  0.845  0.506  0.879  1.0
  O  O49  1  0.056  0.235  0.243  1.0
  O  O50  1  0.010  0.177  0.749  1.0
[/CIF]
.
The crystal structure described by Sr13Mn8O30 crystallizes in the triclinic P1 space group. There are thirteen inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(16), one O(26), one O(27), one O(29), one O(30), one O(4), and one O(5) atom. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(11), one O(13), one O(25), one O(28), one O(29), one O(3), one O(30), and one O(6) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(1), one O(25), one O(29), one O(5), one O(6), one O(8), and one O(9) atom. In the fourth Sr site, Sr(4) is bonded to one O(11), one O(12), one O(2), one O(27), and one O(28) atom to form distorted SrO5 trigonal bipyramids that share  a cornercorner with one Sr(6)O6 pentagonal pyramid,  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(6)O5 trigonal bipyramid, and  a cornercorner with one O(13)Sr3O trigonal pyramid. In the fifth Sr site, Sr(5) is bonded in a 7-coordinate geometry to one O(1), one O(12), one O(21), one O(27), one O(3), one O(4), and one O(5) atom. In the sixth Sr site, Sr(6) is bonded to one O(10), one O(12), one O(16), one O(21), one O(23), and one O(5) atom to form distorted SrO6 pentagonal pyramids that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Sr(4)O5 trigonal bipyramid,  a cornercorner with one Mn(7)O5 trigonal bipyramid,  an edgeedge with one Mn(3)O5 trigonal bipyramid, and  an edgeedge with one Mn(6)O5 trigonal bipyramid. In the seventh Sr site, Sr(7) is bonded in a 7-coordinate geometry to one O(11), one O(13), one O(18), one O(20), one O(24), one O(7), and one O(9) atom. In the eighth Sr site, Sr(8) is bonded in a 6-coordinate geometry to one O(15), one O(17), one O(22), one O(25), one O(7), and one O(8) atom. In the ninth Sr site, Sr(9) is bonded in a 7-coordinate geometry to one O(13), one O(18), one O(19), one O(26), one O(27), one O(28), and one O(30) atom. In the tenth Sr site, Sr(10) is bonded in a 8-coordinate geometry to one O(1), one O(14), one O(19), one O(20), one O(26), one O(27), one O(29), and one O(3) atom. In the eleventh Sr site, Sr(11) is bonded in a 6-coordinate geometry to one O(2), one O(22), one O(23), one O(24), one O(25), and one O(30) atom. In the twelfth Sr site, Sr(12) is bonded in a 7-coordinate geometry to one O(1), one O(17), one O(2), one O(20), one O(24), one O(25), and one O(28) atom. In the thirteenth Sr site, Sr(13) is bonded in a 7-coordinate geometry to one O(1), one O(14), one O(15), one O(2), one O(23), one O(26), and one O(5) atom. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(29), one O(3), one O(4), one O(7), and one O(8) atom to form distorted corner-sharing MnO5 trigonal bipyramids. In the second Mn site, Mn(2) is bonded to one O(10), one O(11), one O(30), and one O(6) atom to form MnO4 tetrahedra that share  a cornercorner with one Sr(6)O6 pentagonal pyramid,  a cornercorner with one Sr(4)O5 trigonal bipyramid, and  a cornercorner with one Mn(3)O5 trigonal bipyramid. In the third Mn site, Mn(3) is bonded to one O(10), one O(15), one O(16), one O(19), and one O(4) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mn(2)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(6)O5 trigonal bipyramid, and  an edgeedge with one Sr(6)O6 pentagonal pyramid. In the fourth Mn site, Mn(4) is bonded in a distorted square co-planar geometry to one O(11), one O(22), one O(6), and one O(7) atom. In the fifth Mn site, Mn(5) is bonded in a distorted rectangular see-saw-like geometry to one O(17), one O(22), one O(24), one O(6), and one O(9) atom. In the sixth Mn site, Mn(6) is bonded to one O(12), one O(14), one O(18), one O(19), and one O(21) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Sr(4)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  an edgeedge with one Sr(6)O6 pentagonal pyramid, and  an edgeedge with one Mn(7)O5 trigonal bipyramid. In the seventh Mn site, Mn(7) is bonded to one O(1), one O(14), one O(17), one O(20), and one O(21) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Sr(6)O6 pentagonal pyramid and  an edgeedge with one Mn(6)O5 trigonal bipyramid. In the eighth Mn site, Mn(8) is bonded in a 5-coordinate geometry to one O(18), one O(2), one O(23), one O(24), and one O(28) atom. There are thirty inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Sr(10), one Sr(12), one Sr(13), one Sr(3), one Sr(5), and one Mn(7) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(11), one Sr(12), one Sr(13), one Sr(4), and one Mn(8) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Sr(10), one Sr(2), one Sr(5), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(5), one Mn(1), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(13), one Sr(3), one Sr(5), and one Sr(6) atom to form OSr5 trigonal bipyramids that share  a cornercorner with one O(25)Sr5 trigonal bipyramid,  a cornercorner with one O(14)Sr2Mn2 trigonal pyramid, and  an edgeedge with one O(29)Sr4Mn trigonal bipyramid. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Mn(2), one Mn(4), and one Mn(5) atom. In the seventh O site, O(7) is bonded to one Sr(7), one Sr(8), one Mn(1), and one Mn(4) atom to form distorted OSr2Mn2 trigonal pyramids that share  a cornercorner with one O(29)Sr4Mn trigonal bipyramid,  a cornercorner with one O(25)Sr5 trigonal bipyramid,  a cornercorner with one O(13)Sr3O trigonal pyramid, and  an edgeedge with one O(22)Sr2Mn2 trigonal pyramid. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(3), one Sr(8), one Mn(1), and one O(16) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Sr(3), one Sr(7), and one Mn(5) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(6), one Mn(2), and one Mn(3) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(4), one Sr(7), one Mn(2), and one Mn(4) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Sr(4), one Sr(5), one Sr(6), and one Mn(6) atom. In the thirteenth O site, O(13) is bonded to one Sr(2), one Sr(7), one Sr(9), and one O(28) atom to form distorted OSr3O trigonal pyramids that share  a cornercorner with one Sr(4)O5 trigonal bipyramid,  a cornercorner with one O(29)Sr4Mn trigonal bipyramid,  a cornercorner with one O(25)Sr5 trigonal bipyramid,  a cornercorner with one O(7)Sr2Mn2 trigonal pyramid, and  an edgeedge with one O(28)Sr4MnO octahedra. In the fourteenth O site, O(14) is bonded to one Sr(10), one Sr(13), one Mn(6), and one Mn(7) atom to form distorted OSr2Mn2 trigonal pyramids that share  a cornercorner with one O(29)Sr4Mn trigonal bipyramid and  a cornercorner with one O(5)Sr5 trigonal bipyramid. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Sr(13), one Sr(8), one Mn(3), and one O(26) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(6), one Mn(3), and one O(8) atom. In the seventeenth O site, O(17) is bonded in a 4-coordinate geometry to one Sr(12), one Sr(8), one Mn(5), and one Mn(7) atom. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Sr(7), one Sr(9), one Mn(6), and one Mn(8) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Sr(10), one Sr(9), one Mn(3), and one Mn(6) atom. In the twentieth O site, O(20) is bonded in a distorted rectangular see-saw-like geometry to one Sr(10), one Sr(12), one Sr(7), and one Mn(7) atom. In the twenty-first O site, O(21) is bonded in a distorted rectangular see-saw-like geometry to one Sr(5), one Sr(6), one Mn(6), and one Mn(7) atom. In the twenty-second O site, O(22) is bonded to one Sr(11), one Sr(8), one Mn(4), and one Mn(5) atom to form distorted OSr2Mn2 trigonal pyramids that share  an edgeedge with one O(25)Sr5 trigonal bipyramid and  an edgeedge with one O(7)Sr2Mn2 trigonal pyramid. In the twenty-third O site, O(23) is bonded in a 4-coordinate geometry to one Sr(11), one Sr(13), one Sr(6), and one Mn(8) atom. In the twenty-fourth O site, O(24) is bonded in a 4-coordinate geometry to one Sr(11), one Sr(12), one Sr(7), one Mn(5), and one Mn(8) atom. In the twenty-fifth O site, O(25) is bonded to one Sr(11), one Sr(12), one Sr(2), one Sr(3), and one Sr(8) atom to form distorted OSr5 trigonal bipyramids that share corners with two equivalent O(28)Sr4MnO octahedra,  a cornercorner with one O(5)Sr5 trigonal bipyramid,  a cornercorner with one O(7)Sr2Mn2 trigonal pyramid,  a cornercorner with one O(13)Sr3O trigonal pyramid,  an edgeedge with one O(29)Sr4Mn trigonal bipyramid, and  an edgeedge with one O(22)Sr2Mn2 trigonal pyramid. The corner-sharing octahedral tilt angles range from 40-52°. In the twenty-sixth O site, O(26) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(13), one Sr(9), and one O(15) atom. In the twenty-seventh O site, O(27) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(10), one Sr(4), one Sr(5), and one Sr(9) atom. In the twenty-eighth O site, O(28) is bonded to one Sr(12), one Sr(2), one Sr(4), one Sr(9), one Mn(8), and one O(13) atom to form distorted OSr4MnO octahedra that share  a cornercorner with one O(29)Sr4Mn trigonal bipyramid, corners with two equivalent O(25)Sr5 trigonal bipyramids, and  an edgeedge with one O(13)Sr3O trigonal pyramid. In the twenty-ninth O site, O(29) is bonded to one Sr(1), one Sr(10), one Sr(2), one Sr(3), and one Mn(1) atom to form distorted OSr4Mn trigonal bipyramids that share  a cornercorner with one O(28)Sr4MnO octahedra,  a cornercorner with one O(14)Sr2Mn2 trigonal pyramid,  a cornercorner with one O(7)Sr2Mn2 trigonal pyramid,  a cornercorner with one O(13)Sr3O trigonal pyramid,  an edgeedge with one O(25)Sr5 trigonal bipyramid, and  an edgeedge with one O(5)Sr5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 46°. In the thirtieth O site, O(30) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(11), one Sr(2), one Sr(9), and one Mn(2) atom. is represented by the CIF card [CIF]
data_Sr13Mn8O30
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.582
_cell_length_b   9.365
_cell_length_c   10.288
_cell_angle_alpha   89.164
_cell_angle_beta   86.138
_cell_angle_gamma   83.812
_symmetry_Int_Tables_number   1
_cell_volume   820.171
_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  0.099  0.188  0.490  1.0
  Sr  Sr1  1  0.995  0.283  0.005  1.0
  Sr  Sr2  1  0.118  0.968  0.198  1.0
  Sr  Sr3  1  0.114  0.549  0.732  1.0
  Sr  Sr4  1  0.197  0.641  0.374  1.0
  Sr  Sr5  1  0.371  0.906  0.555  1.0
  Sr  Sr6  1  0.489  0.554  0.005  1.0
  Sr  Sr7  1  0.669  0.116  0.193  1.0
  Sr  Sr8  1  0.783  0.369  0.674  1.0
  Sr  Sr9  1  0.879  0.451  0.342  1.0
  Sr  Sr10  1  0.807  0.018  0.845  1.0
  Sr  Sr11  1  0.866  0.731  0.056  1.0
  Sr  Sr12  1  0.858  0.882  0.508  1.0
  Mn  Mn13  1  0.245  0.320  0.221  1.0
  Mn  Mn14  1  0.223  0.177  0.780  1.0
  Mn  Mn15  1  0.468  0.253  0.462  1.0
  Mn  Mn16  1  0.396  0.220  0.980  1.0
  Mn  Mn17  1  0.473  0.898  0.051  1.0
  Mn  Mn18  1  0.516  0.595  0.546  1.0
  Mn  Mn19  1  0.664  0.719  0.309  1.0
  Mn  Mn20  1  0.709  0.715  0.770  1.0
  O  O21  1  0.885  0.756  0.292  1.0
  O  O22  1  0.912  0.769  0.785  1.0
  O  O23  1  0.131  0.488  0.178  1.0
  O  O24  1  0.296  0.367  0.385  1.0
  O  O25  1  0.125  0.913  0.444  1.0
  O  O26  1  0.245  0.089  0.952  1.0
  O  O27  1  0.445  0.335  0.121  1.0
  O  O28  1  0.359  0.109  0.240  1.0
  O  O29  1  0.325  0.779  0.096  1.0
  O  O30  1  0.334  0.172  0.619  1.0
  O  O31  1  0.271  0.359  0.880  1.0
  O  O32  1  0.313  0.649  0.602  1.0
  O  O33  1  0.746  0.386  0.920  1.0
  O  O34  1  0.717  0.647  0.476  1.0
  O  O35  1  0.670  0.119  0.444  1.0
  O  O36  1  0.394  0.086  0.376  1.0
  O  O37  1  0.615  0.867  0.188  1.0
  O  O38  1  0.581  0.576  0.721  1.0
  O  O39  1  0.585  0.404  0.502  1.0
  O  O40  1  0.692  0.574  0.191  1.0
  O  O41  1  0.462  0.706  0.389  1.0
  O  O42  1  0.562  0.074  0.986  1.0
  O  O43  1  0.637  0.873  0.679  1.0
  O  O44  1  0.622  0.772  0.934  1.0
  O  O45  1  0.901  0.033  0.057  1.0
  O  O46  1  0.816  0.169  0.485  1.0
  O  O47  1  0.005  0.457  0.546  1.0
  O  O48  1  0.845  0.506  0.879  1.0
  O  O49  1  0.056  0.235  0.243  1.0
  O  O50  1  0.010  0.177  0.749  1.0
[/CIF]
.