The structure described by CrMn15O32 is trigonal omega-derived structured and crystallizes in the monoclinic C2/m space group. Cr(1) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form CrO6 octahedra that share edges with two equivalent Mn(1)O6 octahedra and edges with four equivalent Mn(4)O6 octahedra. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(4), one O(6), two equivalent O(1), and two equivalent O(2) atoms to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. In the second Mn site, Mn(2) is bonded to two equivalent O(5) and four equivalent O(2) atoms to form edge-sharing MnO6 octahedra. In the third Mn site, Mn(3) is bonded to one O(2), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form edge-sharing MnO6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and  an edgeedge with one Mn(6)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to two equivalent O(10), two equivalent O(7), and two equivalent O(9) atoms to form edge-sharing MnO6 octahedra. In the sixth Mn site, Mn(6) is bonded to two equivalent O(10), two equivalent O(8), and two equivalent O(9) atoms to form edge-sharing MnO6 octahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Cr(1), one Mn(1), and one Mn(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Cr(1) and two equivalent Mn(4) atoms. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Mn(4) atoms. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Mn(3) atoms. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Mn(3) atoms. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(4), and one Mn(6) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Mn(4), one Mn(5), and one Mn(6) atom. is represented by the CIF card [CIF]
data_Mn15CrO32
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.224
_cell_length_b   8.224
_cell_length_c   10.066
_cell_angle_alpha   65.916
_cell_angle_beta   65.916
_cell_angle_gamma   89.991
_symmetry_Int_Tables_number   1
_cell_volume   555.939
_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
  Mn  Mn0  1  0.751  0.751  0.999  1.0
  Mn  Mn1  1  0.249  0.249  0.001  1.0
  Mn  Mn2  1  0.000  0.000  0.000  1.0
  Mn  Mn3  1  0.123  0.376  0.751  1.0
  Mn  Mn4  1  0.624  0.877  0.749  1.0
  Mn  Mn5  1  0.376  0.123  0.751  1.0
  Mn  Mn6  1  0.877  0.624  0.749  1.0
  Mn  Mn7  1  0.249  0.751  0.500  1.0
  Mn  Mn8  1  0.500  0.000  0.500  1.0
  Mn  Mn9  1  0.751  0.249  0.500  1.0
  Mn  Mn10  1  0.000  0.500  0.500  1.0
  Mn  Mn11  1  0.123  0.376  0.251  1.0
  Mn  Mn12  1  0.624  0.877  0.249  1.0
  Mn  Mn13  1  0.376  0.123  0.251  1.0
  Mn  Mn14  1  0.877  0.624  0.249  1.0
  Cr  Cr15  1  0.500  0.500  0.000  1.0
  O  O16  1  0.742  0.526  0.984  1.0
  O  O17  1  0.526  0.742  0.984  1.0
  O  O18  1  0.242  0.023  0.985  1.0
  O  O19  1  0.023  0.242  0.985  1.0
  O  O20  1  0.633  0.633  0.764  1.0
  O  O21  1  0.854  0.854  0.763  1.0
  O  O22  1  0.133  0.133  0.763  1.0
  O  O23  1  0.353  0.353  0.766  1.0
  O  O24  1  0.116  0.619  0.737  1.0
  O  O25  1  0.895  0.398  0.736  1.0
  O  O26  1  0.619  0.116  0.737  1.0
  O  O27  1  0.398  0.895  0.736  1.0
  O  O28  1  0.228  0.509  0.515  1.0
  O  O29  1  0.728  0.009  0.513  1.0
  O  O30  1  0.009  0.728  0.513  1.0
  O  O31  1  0.509  0.228  0.515  1.0
  O  O32  1  0.491  0.772  0.485  1.0
  O  O33  1  0.991  0.272  0.487  1.0
  O  O34  1  0.272  0.991  0.487  1.0
  O  O35  1  0.772  0.491  0.485  1.0
  O  O36  1  0.884  0.381  0.263  1.0
  O  O37  1  0.381  0.884  0.263  1.0
  O  O38  1  0.105  0.602  0.264  1.0
  O  O39  1  0.602  0.105  0.264  1.0
  O  O40  1  0.146  0.146  0.237  1.0
  O  O41  1  0.367  0.367  0.236  1.0
  O  O42  1  0.647  0.647  0.234  1.0
  O  O43  1  0.867  0.867  0.237  1.0
  O  O44  1  0.977  0.758  0.015  1.0
  O  O45  1  0.258  0.474  0.016  1.0
  O  O46  1  0.474  0.258  0.016  1.0
  O  O47  1  0.758  0.977  0.015  1.0
[/CIF]
.
The structure described by CrMn15O32 is trigonal omega-derived structured and crystallizes in the monoclinic C2/m space group. Cr(1) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form CrO6 octahedra that share edges with two equivalent Mn(1)O6 octahedra and edges with four equivalent Mn(4)O6 octahedra. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(4), one O(6), two equivalent O(1), and two equivalent O(2) atoms to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. In the second Mn site, Mn(2) is bonded to two equivalent O(5) and four equivalent O(2) atoms to form edge-sharing MnO6 octahedra. In the third Mn site, Mn(3) is bonded to one O(2), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form edge-sharing MnO6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(3), one O(4), one O(7), and one O(8) atom to form MnO6 octahedra that share  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and  an edgeedge with one Mn(6)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to two equivalent O(10), two equivalent O(7), and two equivalent O(9) atoms to form edge-sharing MnO6 octahedra. In the sixth Mn site, Mn(6) is bonded to two equivalent O(10), two equivalent O(8), and two equivalent O(9) atoms to form edge-sharing MnO6 octahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Cr(1), one Mn(1), and one Mn(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Cr(1) and two equivalent Mn(4) atoms. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Mn(4) atoms. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mn(2) and two equivalent Mn(3) atoms. In the sixth O site, O(6) is bonded in a distorted T-shaped geometry to one Mn(1) and two equivalent Mn(3) atoms. In the seventh O site, O(7) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the eighth O site, O(8) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(4), and one Mn(6) atom. In the ninth O site, O(9) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Mn(4), one Mn(5), and one Mn(6) atom. is represented by the CIF card [CIF]
data_Mn15CrO32
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.224
_cell_length_b   8.224
_cell_length_c   10.066
_cell_angle_alpha   65.916
_cell_angle_beta   65.916
_cell_angle_gamma   89.991
_symmetry_Int_Tables_number   1
_cell_volume   555.939
_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
  Mn  Mn0  1  0.751  0.751  0.999  1.0
  Mn  Mn1  1  0.249  0.249  0.001  1.0
  Mn  Mn2  1  0.000  0.000  0.000  1.0
  Mn  Mn3  1  0.123  0.376  0.751  1.0
  Mn  Mn4  1  0.624  0.877  0.749  1.0
  Mn  Mn5  1  0.376  0.123  0.751  1.0
  Mn  Mn6  1  0.877  0.624  0.749  1.0
  Mn  Mn7  1  0.249  0.751  0.500  1.0
  Mn  Mn8  1  0.500  0.000  0.500  1.0
  Mn  Mn9  1  0.751  0.249  0.500  1.0
  Mn  Mn10  1  0.000  0.500  0.500  1.0
  Mn  Mn11  1  0.123  0.376  0.251  1.0
  Mn  Mn12  1  0.624  0.877  0.249  1.0
  Mn  Mn13  1  0.376  0.123  0.251  1.0
  Mn  Mn14  1  0.877  0.624  0.249  1.0
  Cr  Cr15  1  0.500  0.500  0.000  1.0
  O  O16  1  0.742  0.526  0.984  1.0
  O  O17  1  0.526  0.742  0.984  1.0
  O  O18  1  0.242  0.023  0.985  1.0
  O  O19  1  0.023  0.242  0.985  1.0
  O  O20  1  0.633  0.633  0.764  1.0
  O  O21  1  0.854  0.854  0.763  1.0
  O  O22  1  0.133  0.133  0.763  1.0
  O  O23  1  0.353  0.353  0.766  1.0
  O  O24  1  0.116  0.619  0.737  1.0
  O  O25  1  0.895  0.398  0.736  1.0
  O  O26  1  0.619  0.116  0.737  1.0
  O  O27  1  0.398  0.895  0.736  1.0
  O  O28  1  0.228  0.509  0.515  1.0
  O  O29  1  0.728  0.009  0.513  1.0
  O  O30  1  0.009  0.728  0.513  1.0
  O  O31  1  0.509  0.228  0.515  1.0
  O  O32  1  0.491  0.772  0.485  1.0
  O  O33  1  0.991  0.272  0.487  1.0
  O  O34  1  0.272  0.991  0.487  1.0
  O  O35  1  0.772  0.491  0.485  1.0
  O  O36  1  0.884  0.381  0.263  1.0
  O  O37  1  0.381  0.884  0.263  1.0
  O  O38  1  0.105  0.602  0.264  1.0
  O  O39  1  0.602  0.105  0.264  1.0
  O  O40  1  0.146  0.146  0.237  1.0
  O  O41  1  0.367  0.367  0.236  1.0
  O  O42  1  0.647  0.647  0.234  1.0
  O  O43  1  0.867  0.867  0.237  1.0
  O  O44  1  0.977  0.758  0.015  1.0
  O  O45  1  0.258  0.474  0.016  1.0
  O  O46  1  0.474  0.258  0.016  1.0
  O  O47  1  0.758  0.977  0.015  1.0
[/CIF]
.