The structure described by MgMn9CdO10 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form MgO4 tetrahedra that share corners with two equivalent Mn(5)O4 tetrahedra,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Mn(7)O5 trigonal bipyramid, corners with two equivalent Mn(2)O5 trigonal bipyramids, and corners with two equivalent Mn(6)O5 trigonal bipyramids. There are nine inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(4), and one O(9) atom. In the second Mn site, Mn(2) is bonded to one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO5 trigonal bipyramids that share corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(5)O4 tetrahedra,  a cornercorner with one Mn(7)O5 trigonal bipyramid, corners with two equivalent Mn(3)O5 trigonal bipyramids, corners with two equivalent Mn(6)O5 trigonal bipyramids, and  an edgeedge with one Mn(3)O5 trigonal bipyramid. In the third Mn site, Mn(3) is bonded to one O(10), one O(3), one O(6), one O(7), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(5)O4 tetrahedra, corners with two equivalent Mn(2)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O5 trigonal bipyramid,  an edgeedge with one Mn(6)O5 trigonal bipyramid, and  an edgeedge with one Mn(7)O5 trigonal bipyramid. In the fourth Mn site, Mn(4) is bonded in a distorted see-saw-like geometry to one O(2), one O(6), one O(7), and one O(9) atom. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(5), one O(8), and one O(9) atom to form MnO4 tetrahedra that share corners with two equivalent Mg(1)O4 tetrahedra,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Mn(6)O5 trigonal bipyramid,  a cornercorner with one Mn(7)O5 trigonal bipyramid, corners with two equivalent Mn(2)O5 trigonal bipyramids, and  an edgeedge with one Mn(6)O5 trigonal bipyramid. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(3), one O(4), one O(8), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mn(5)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(2)O5 trigonal bipyramids,  an edgeedge with one Mn(5)O4 tetrahedra,  an edgeedge with one Mn(3)O5 trigonal bipyramid, and  an edgeedge with one Mn(7)O5 trigonal bipyramid. In the seventh Mn site, Mn(7) is bonded to one O(10), one O(2), one O(4), one O(7), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(5)O4 tetrahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  an edgeedge with one Mn(3)O5 trigonal bipyramid, 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(10), one O(3), one O(4), one O(5), and one O(9) atom. In the ninth Mn site, Mn(9) is bonded in a 5-coordinate geometry to one O(10), one O(4), one O(6), one O(7), and one O(8) atom. Cd(1) is bonded in a 2-coordinate geometry to one O(1) and one O(8) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mn(5), one Mn(6), and one Cd(1) atom to form OMgMn2Cd tetrahedra that share  a cornercorner with one O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra, corners with two equivalent O(5)MgMn3 tetrahedra,  a cornercorner with one O(4)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids,  a cornercorner with one O(2)MgMn3 trigonal pyramid, and  an edgeedge with one O(8)Mn5Cd octahedra. The corner-sharing octahedral tilt angles range from 48-63°. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(7) atom to form distorted OMgMn3 trigonal pyramids that share corners with three equivalent O(9)Mn6 octahedra,  a cornercorner with one O(1)MgMn2Cd tetrahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(3)MgMn4 trigonal bipyramid, corners with two equivalent O(4)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid, and  an edgeedge with one O(7)Mn5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-93°. In the third O site, O(3) is bonded to one Mg(1), one Mn(2), one Mn(3), one Mn(6), and one Mn(8) atom to form distorted OMgMn4 trigonal bipyramids that share  a cornercorner with one O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra, corners with two equivalent O(1)MgMn2Cd tetrahedra, corners with two equivalent O(10)Mn5 trigonal bipyramids,  a cornercorner with one O(2)MgMn3 trigonal pyramid, corners with two equivalent O(6)Mn4 trigonal pyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(5)MgMn3 tetrahedra,  an edgeedge with one O(4)Mn5 trigonal bipyramid, and  an edgeedge with one O(7)Mn5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 52-79°. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(6), one Mn(7), one Mn(8), and one Mn(9) atom to form OMn5 trigonal bipyramids that share  a cornercorner with one O(9)Mn6 octahedra, corners with two equivalent O(8)Mn5Cd octahedra,  a cornercorner with one O(1)MgMn2Cd tetrahedra,  a cornercorner with one O(5)MgMn3 tetrahedra, corners with two equivalent O(10)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid, corners with two equivalent O(2)MgMn3 trigonal pyramids,  an edgeedge with one O(3)MgMn4 trigonal bipyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid,  an edgeedge with one O(7)Mn5 trigonal bipyramid, and  a faceface with one O(9)Mn6 octahedra. The corner-sharing octahedral tilt angles range from 16-44°. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(5), and one Mn(8) atom to form OMgMn3 tetrahedra that share corners with two equivalent O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra, corners with two equivalent O(1)MgMn2Cd tetrahedra,  a cornercorner with one O(3)MgMn4 trigonal bipyramid,  a cornercorner with one O(10)Mn5 trigonal bipyramid,  a cornercorner with one O(4)Mn5 trigonal bipyramid,  a cornercorner with one O(7)Mn5 trigonal bipyramid,  a cornercorner with one O(2)MgMn3 trigonal pyramid,  a cornercorner with one O(6)Mn4 trigonal pyramid, and  an edgeedge with one O(3)MgMn4 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 64-76°. In the sixth O site, O(6) is bonded to one Mn(2), one Mn(3), one Mn(4), and one Mn(9) atom to form distorted OMn4 trigonal pyramids that share  a cornercorner with one O(8)Mn5Cd octahedra,  a cornercorner with one O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(4)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids, corners with two equivalent O(7)Mn5 trigonal bipyramids,  a cornercorner with one O(2)MgMn3 trigonal pyramid,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(10)Mn5 trigonal bipyramid, and  an edgeedge with one O(7)Mn5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-60°. In the seventh O site, O(7) is bonded to one Mn(2), one Mn(3), one Mn(4), one Mn(7), and one Mn(9) atom to form OMn5 trigonal bipyramids that share  a cornercorner with one O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(10)Mn5 trigonal bipyramid, corners with two equivalent O(6)Mn4 trigonal pyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(3)MgMn4 trigonal bipyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid,  an edgeedge with one O(4)Mn5 trigonal bipyramid,  an edgeedge with one O(2)MgMn3 trigonal pyramid, and  an edgeedge with one O(6)Mn4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 33-35°. In the eighth O site, O(8) is bonded to one Mn(2), one Mn(3), one Mn(5), one Mn(6), one Mn(9), and one Cd(1) atom to form distorted OMn5Cd octahedra that share  a cornercorner with one O(1)MgMn2Cd tetrahedra, corners with two equivalent O(5)MgMn3 tetrahedra,  a cornercorner with one O(3)MgMn4 trigonal bipyramid,  a cornercorner with one O(7)Mn5 trigonal bipyramid, corners with two equivalent O(4)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid,  an edgeedge with one O(9)Mn6 octahedra,  an edgeedge with one O(1)MgMn2Cd tetrahedra,  an edgeedge with one O(3)MgMn4 trigonal bipyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid,  an edgeedge with one O(7)Mn5 trigonal bipyramid, and  an edgeedge with one O(6)Mn4 trigonal pyramid. In the ninth O site, O(9) is bonded to one Mn(1), one Mn(4), one Mn(5), one Mn(6), one Mn(7), and one Mn(8) atom to form distorted OMn6 octahedra that share corners with two equivalent O(1)MgMn2Cd tetrahedra, corners with two equivalent O(5)MgMn3 tetrahedra,  a cornercorner with one O(10)Mn5 trigonal bipyramid,  a cornercorner with one O(4)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids, corners with two equivalent O(7)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid, corners with three equivalent O(2)MgMn3 trigonal pyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(10)Mn5 trigonal bipyramid, and  a faceface with one O(4)Mn5 trigonal bipyramid. In the tenth O site, O(10) is bonded to one Mn(1), one Mn(3), one Mn(7), one Mn(8), and one Mn(9) atom to form distorted OMn5 trigonal bipyramids that share  a cornercorner with one O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(7)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids, corners with two equivalent O(4)Mn5 trigonal bipyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(9)Mn6 octahedra,  an edgeedge with one O(4)Mn5 trigonal bipyramid,  an edgeedge with one O(7)Mn5 trigonal bipyramid,  an edgeedge with one O(2)MgMn3 trigonal pyramid, and  an edgeedge with one O(6)Mn4 trigonal pyramid. The corner-sharing octahedral tilt angles are 60°. is represented by the CIF card [CIF]
data_MgMn9CdO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.418
_cell_length_b   8.940
_cell_length_c   6.312
_cell_angle_alpha   66.278
_cell_angle_beta   120.334
_cell_angle_gamma   109.861
_symmetry_Int_Tables_number   1
_cell_volume   281.867
_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
  Mg  Mg0  1  0.584  0.221  0.277  1.0
  Mn  Mn1  1  0.471  0.526  0.257  1.0
  Mn  Mn2  1  0.031  0.998  0.937  1.0
  Mn  Mn3  1  0.462  0.883  0.657  1.0
  Mn  Mn4  1  0.030  0.626  0.228  1.0
  Mn  Mn5  1  0.077  0.171  0.349  1.0
  Mn  Mn6  1  0.549  0.223  0.764  1.0
  Mn  Mn7  1  0.554  0.548  0.786  1.0
  Mn  Mn8  1  0.044  0.379  0.731  1.0
  Mn  Mn9  1  0.984  0.743  0.634  1.0
  Cd  Cd10  1  0.519  0.861  0.190  1.0
  O  O11  1  0.710  0.123  0.152  1.0
  O  O12  1  0.713  0.457  0.195  1.0
  O  O13  1  0.715  0.119  0.651  1.0
  O  O14  1  0.752  0.475  0.665  1.0
  O  O15  1  0.222  0.214  0.090  1.0
  O  O16  1  0.122  0.840  0.336  1.0
  O  O17  1  0.811  0.773  0.825  1.0
  O  O18  1  0.243  0.007  0.723  1.0
  O  O19  1  0.237  0.401  0.490  1.0
  O  O20  1  0.288  0.613  0.835  1.0
[/CIF]
.
The structure described by MgMn9CdO10 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form MgO4 tetrahedra that share corners with two equivalent Mn(5)O4 tetrahedra,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Mn(7)O5 trigonal bipyramid, corners with two equivalent Mn(2)O5 trigonal bipyramids, and corners with two equivalent Mn(6)O5 trigonal bipyramids. There are nine inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to one O(10), one O(2), one O(4), and one O(9) atom. In the second Mn site, Mn(2) is bonded to one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO5 trigonal bipyramids that share corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(5)O4 tetrahedra,  a cornercorner with one Mn(7)O5 trigonal bipyramid, corners with two equivalent Mn(3)O5 trigonal bipyramids, corners with two equivalent Mn(6)O5 trigonal bipyramids, and  an edgeedge with one Mn(3)O5 trigonal bipyramid. In the third Mn site, Mn(3) is bonded to one O(10), one O(3), one O(6), one O(7), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(5)O4 tetrahedra, corners with two equivalent Mn(2)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O5 trigonal bipyramid,  an edgeedge with one Mn(6)O5 trigonal bipyramid, and  an edgeedge with one Mn(7)O5 trigonal bipyramid. In the fourth Mn site, Mn(4) is bonded in a distorted see-saw-like geometry to one O(2), one O(6), one O(7), and one O(9) atom. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(5), one O(8), and one O(9) atom to form MnO4 tetrahedra that share corners with two equivalent Mg(1)O4 tetrahedra,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Mn(6)O5 trigonal bipyramid,  a cornercorner with one Mn(7)O5 trigonal bipyramid, corners with two equivalent Mn(2)O5 trigonal bipyramids, and  an edgeedge with one Mn(6)O5 trigonal bipyramid. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(3), one O(4), one O(8), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mn(5)O4 tetrahedra, corners with two equivalent Mg(1)O4 tetrahedra, corners with two equivalent Mn(2)O5 trigonal bipyramids,  an edgeedge with one Mn(5)O4 tetrahedra,  an edgeedge with one Mn(3)O5 trigonal bipyramid, and  an edgeedge with one Mn(7)O5 trigonal bipyramid. In the seventh Mn site, Mn(7) is bonded to one O(10), one O(2), one O(4), one O(7), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mg(1)O4 tetrahedra,  a cornercorner with one Mn(5)O4 tetrahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  an edgeedge with one Mn(3)O5 trigonal bipyramid, 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(10), one O(3), one O(4), one O(5), and one O(9) atom. In the ninth Mn site, Mn(9) is bonded in a 5-coordinate geometry to one O(10), one O(4), one O(6), one O(7), and one O(8) atom. Cd(1) is bonded in a 2-coordinate geometry to one O(1) and one O(8) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mn(5), one Mn(6), and one Cd(1) atom to form OMgMn2Cd tetrahedra that share  a cornercorner with one O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra, corners with two equivalent O(5)MgMn3 tetrahedra,  a cornercorner with one O(4)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids,  a cornercorner with one O(2)MgMn3 trigonal pyramid, and  an edgeedge with one O(8)Mn5Cd octahedra. The corner-sharing octahedral tilt angles range from 48-63°. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(7) atom to form distorted OMgMn3 trigonal pyramids that share corners with three equivalent O(9)Mn6 octahedra,  a cornercorner with one O(1)MgMn2Cd tetrahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(3)MgMn4 trigonal bipyramid, corners with two equivalent O(4)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid, and  an edgeedge with one O(7)Mn5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-93°. In the third O site, O(3) is bonded to one Mg(1), one Mn(2), one Mn(3), one Mn(6), and one Mn(8) atom to form distorted OMgMn4 trigonal bipyramids that share  a cornercorner with one O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra, corners with two equivalent O(1)MgMn2Cd tetrahedra, corners with two equivalent O(10)Mn5 trigonal bipyramids,  a cornercorner with one O(2)MgMn3 trigonal pyramid, corners with two equivalent O(6)Mn4 trigonal pyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(5)MgMn3 tetrahedra,  an edgeedge with one O(4)Mn5 trigonal bipyramid, and  an edgeedge with one O(7)Mn5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 52-79°. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(6), one Mn(7), one Mn(8), and one Mn(9) atom to form OMn5 trigonal bipyramids that share  a cornercorner with one O(9)Mn6 octahedra, corners with two equivalent O(8)Mn5Cd octahedra,  a cornercorner with one O(1)MgMn2Cd tetrahedra,  a cornercorner with one O(5)MgMn3 tetrahedra, corners with two equivalent O(10)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid, corners with two equivalent O(2)MgMn3 trigonal pyramids,  an edgeedge with one O(3)MgMn4 trigonal bipyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid,  an edgeedge with one O(7)Mn5 trigonal bipyramid, and  a faceface with one O(9)Mn6 octahedra. The corner-sharing octahedral tilt angles range from 16-44°. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(5), and one Mn(8) atom to form OMgMn3 tetrahedra that share corners with two equivalent O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra, corners with two equivalent O(1)MgMn2Cd tetrahedra,  a cornercorner with one O(3)MgMn4 trigonal bipyramid,  a cornercorner with one O(10)Mn5 trigonal bipyramid,  a cornercorner with one O(4)Mn5 trigonal bipyramid,  a cornercorner with one O(7)Mn5 trigonal bipyramid,  a cornercorner with one O(2)MgMn3 trigonal pyramid,  a cornercorner with one O(6)Mn4 trigonal pyramid, and  an edgeedge with one O(3)MgMn4 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 64-76°. In the sixth O site, O(6) is bonded to one Mn(2), one Mn(3), one Mn(4), and one Mn(9) atom to form distorted OMn4 trigonal pyramids that share  a cornercorner with one O(8)Mn5Cd octahedra,  a cornercorner with one O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(4)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids, corners with two equivalent O(7)Mn5 trigonal bipyramids,  a cornercorner with one O(2)MgMn3 trigonal pyramid,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(10)Mn5 trigonal bipyramid, and  an edgeedge with one O(7)Mn5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 57-60°. In the seventh O site, O(7) is bonded to one Mn(2), one Mn(3), one Mn(4), one Mn(7), and one Mn(9) atom to form OMn5 trigonal bipyramids that share  a cornercorner with one O(8)Mn5Cd octahedra, corners with two equivalent O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(10)Mn5 trigonal bipyramid, corners with two equivalent O(6)Mn4 trigonal pyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(3)MgMn4 trigonal bipyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid,  an edgeedge with one O(4)Mn5 trigonal bipyramid,  an edgeedge with one O(2)MgMn3 trigonal pyramid, and  an edgeedge with one O(6)Mn4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 33-35°. In the eighth O site, O(8) is bonded to one Mn(2), one Mn(3), one Mn(5), one Mn(6), one Mn(9), and one Cd(1) atom to form distorted OMn5Cd octahedra that share  a cornercorner with one O(1)MgMn2Cd tetrahedra, corners with two equivalent O(5)MgMn3 tetrahedra,  a cornercorner with one O(3)MgMn4 trigonal bipyramid,  a cornercorner with one O(7)Mn5 trigonal bipyramid, corners with two equivalent O(4)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid,  an edgeedge with one O(9)Mn6 octahedra,  an edgeedge with one O(1)MgMn2Cd tetrahedra,  an edgeedge with one O(3)MgMn4 trigonal bipyramid,  an edgeedge with one O(10)Mn5 trigonal bipyramid,  an edgeedge with one O(7)Mn5 trigonal bipyramid, and  an edgeedge with one O(6)Mn4 trigonal pyramid. In the ninth O site, O(9) is bonded to one Mn(1), one Mn(4), one Mn(5), one Mn(6), one Mn(7), and one Mn(8) atom to form distorted OMn6 octahedra that share corners with two equivalent O(1)MgMn2Cd tetrahedra, corners with two equivalent O(5)MgMn3 tetrahedra,  a cornercorner with one O(10)Mn5 trigonal bipyramid,  a cornercorner with one O(4)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids, corners with two equivalent O(7)Mn5 trigonal bipyramids,  a cornercorner with one O(6)Mn4 trigonal pyramid, corners with three equivalent O(2)MgMn3 trigonal pyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(10)Mn5 trigonal bipyramid, and  a faceface with one O(4)Mn5 trigonal bipyramid. In the tenth O site, O(10) is bonded to one Mn(1), one Mn(3), one Mn(7), one Mn(8), and one Mn(9) atom to form distorted OMn5 trigonal bipyramids that share  a cornercorner with one O(9)Mn6 octahedra,  a cornercorner with one O(5)MgMn3 tetrahedra,  a cornercorner with one O(7)Mn5 trigonal bipyramid, corners with two equivalent O(3)MgMn4 trigonal bipyramids, corners with two equivalent O(4)Mn5 trigonal bipyramids,  an edgeedge with one O(8)Mn5Cd octahedra,  an edgeedge with one O(9)Mn6 octahedra,  an edgeedge with one O(4)Mn5 trigonal bipyramid,  an edgeedge with one O(7)Mn5 trigonal bipyramid,  an edgeedge with one O(2)MgMn3 trigonal pyramid, and  an edgeedge with one O(6)Mn4 trigonal pyramid. The corner-sharing octahedral tilt angles are 60°. is represented by the CIF card [CIF]
data_MgMn9CdO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.418
_cell_length_b   8.940
_cell_length_c   6.312
_cell_angle_alpha   66.278
_cell_angle_beta   120.334
_cell_angle_gamma   109.861
_symmetry_Int_Tables_number   1
_cell_volume   281.867
_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
  Mg  Mg0  1  0.584  0.221  0.277  1.0
  Mn  Mn1  1  0.471  0.526  0.257  1.0
  Mn  Mn2  1  0.031  0.998  0.937  1.0
  Mn  Mn3  1  0.462  0.883  0.657  1.0
  Mn  Mn4  1  0.030  0.626  0.228  1.0
  Mn  Mn5  1  0.077  0.171  0.349  1.0
  Mn  Mn6  1  0.549  0.223  0.764  1.0
  Mn  Mn7  1  0.554  0.548  0.786  1.0
  Mn  Mn8  1  0.044  0.379  0.731  1.0
  Mn  Mn9  1  0.984  0.743  0.634  1.0
  Cd  Cd10  1  0.519  0.861  0.190  1.0
  O  O11  1  0.710  0.123  0.152  1.0
  O  O12  1  0.713  0.457  0.195  1.0
  O  O13  1  0.715  0.119  0.651  1.0
  O  O14  1  0.752  0.475  0.665  1.0
  O  O15  1  0.222  0.214  0.090  1.0
  O  O16  1  0.122  0.840  0.336  1.0
  O  O17  1  0.811  0.773  0.825  1.0
  O  O18  1  0.243  0.007  0.723  1.0
  O  O19  1  0.237  0.401  0.490  1.0
  O  O20  1  0.288  0.613  0.835  1.0
[/CIF]
.