The compound described by MgMn12(O7F5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(3), one O(4), one O(7), one F(5), and one F(8) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra, edges with two equivalent Mn(10)O4F2 octahedra, edges with two equivalent Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(9)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 39-58°. There are twelve inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(5), one F(2), one F(6), and one F(7) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(7)O4F2 octahedra, corners with four equivalent Mn(11)O3F3 octahedra, corners with two equivalent Mn(9)O3F2 square pyramids,  an edgeedge with one Mn(2)O3F3 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 45-69°. In the second Mn site, Mn(2) is bonded to one O(1), one O(11), one O(4), one F(1), one F(5), and one F(7) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(11)O3F3 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with three equivalent Mn(9)O3F2 square pyramids, and  an edgeedge with one Mn(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 37-60°. In the third Mn site, Mn(3) is bonded to one O(10), one O(11), one O(3), one O(7), one F(3), and one F(5) atom to form MnO4F2 octahedra that share  a cornercorner with one Mn(8)O3F3 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(2)O3F3 octahedra, corners with two equivalent Mn(9)O3F2 square pyramids,  an edgeedge with one Mn(8)O3F3 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(10)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 24-60°. In the fourth Mn site, Mn(4) is bonded to one O(14), one O(2), one O(6), one O(9), one F(10), and one F(9) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(8)O3F3 octahedra, corners with two equivalent Mn(7)O4F2 octahedra, corners with four equivalent Mn(12)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. In the fifth Mn site, Mn(5) is bonded to one O(13), one O(2), one O(5), one O(8), one F(10), and one F(6) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(11)O3F3 octahedra, corners with two equivalent Mn(12)O4F2 octahedra, corners with four equivalent Mn(7)O4F2 octahedra,  an edgeedge with one Mn(1)O3F3 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. In the sixth Mn site, Mn(6) is bonded to one O(3), one O(6), one F(3), one F(4), one F(8), and one F(9) atom to form MnO2F4 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(12)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-68°. In the seventh Mn site, Mn(7) is bonded to one O(13), one O(14), one O(2), one O(8), one F(2), and one F(6) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(1)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(5)O4F2 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra, and  an edgeedge with one Mn(12)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. In the eighth Mn site, Mn(8) is bonded to one O(10), one O(3), one O(9), one F(3), one F(4), and one F(9) atom to form distorted MnO3F3 octahedra that share  a cornercorner with one Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 24-68°. In the ninth Mn site, Mn(9) is bonded to one O(1), one O(12), one O(7), one F(1), and one F(5) atom to form distorted MnO3F2 square pyramids that share  a cornercorner with one Mn(10)O4F2 octahedra, corners with two equivalent Mn(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with three equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra, and  an edgeedge with one Mn(11)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 33-68°. In the tenth Mn site, Mn(10) is bonded to one O(10), one O(11), one O(4), one O(7), one F(3), and one F(8) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(2)O3F3 octahedra,  a cornercorner with one Mn(9)O3F2 square pyramid,  an edgeedge with one Mn(8)O3F3 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-55°. In the eleventh Mn site, Mn(11) is bonded to one O(12), one O(13), one O(5), one F(1), one F(2), and one F(7) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(2)O3F3 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(9)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 37-69°. In the twelfth Mn site, Mn(12) is bonded to one O(14), one O(6), one O(8), one O(9), one F(10), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(4)O4F2 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-59°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(9) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(5), and one Mn(7) atom. In the third O site, O(3) is bonded to one Mg(1), one Mn(3), one Mn(6), and one Mn(8) atom to form distorted OMgMn3 tetrahedra that share  a cornercorner with one O(10)MgMn3 trigonal pyramid, corners with two equivalent F(5)MgMn3 trigonal pyramids, and  an edgeedge with one O(10)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(10), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(5) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(6) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(10), one Mn(3), and one Mn(9) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(5), and one Mn(7) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(8) atom. In the tenth O site, O(10) is bonded to one Mg(1), one Mn(10), one Mn(3), and one Mn(8) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(3)MgMn3 tetrahedra,  an edgeedge with one O(3)MgMn3 tetrahedra, and  an edgeedge with one F(5)MgMn3 trigonal pyramid. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(2), and one Mn(3) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(9) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Mn(11), one Mn(5), and one Mn(7) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(7) atom. There are ten inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Mn(11), one Mn(2), and one Mn(9) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(7) atom. In the third F site, F(3) is bonded in a rectangular see-saw-like geometry to one Mn(10), one Mn(3), one Mn(6), and one Mn(8) atom. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(6), and one Mn(8) atom. In the fifth F site, F(5) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(9) atom to form distorted FMgMn3 trigonal pyramids that share corners with two equivalent O(3)MgMn3 tetrahedra and  an edgeedge with one O(10)MgMn3 trigonal pyramid. In the sixth F site, F(6) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(5), and one Mn(7) atom. In the seventh F site, F(7) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(11), and one Mn(2) atom. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(10), and one Mn(6) atom. In the ninth F site, F(9) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(6), and one Mn(8) atom. In the tenth F site, F(10) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(5) atom. is represented by the CIF card [CIF]
data_MgMn12(O7F5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.851
_cell_length_b   5.788
_cell_length_c   15.175
_cell_angle_alpha   92.703
_cell_angle_beta   89.205
_cell_angle_gamma   89.002
_symmetry_Int_Tables_number   1
_cell_volume   425.519
_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  0.503  0.096  0.078  1.0
  Mn  Mn1  1  0.997  0.128  0.417  1.0
  Mn  Mn2  1  0.051  0.830  0.238  1.0
  Mn  Mn3  1  0.018  0.358  0.083  1.0
  Mn  Mn4  1  0.011  0.174  0.742  1.0
  Mn  Mn5  1  0.012  0.828  0.580  1.0
  Mn  Mn6  1  0.013  0.878  0.913  1.0
  Mn  Mn7  1  0.494  0.358  0.592  1.0
  Mn  Mn8  1  0.449  0.350  0.910  1.0
  Mn  Mn9  1  0.502  0.286  0.268  1.0
  Mn  Mn10  1  0.525  0.620  0.095  1.0
  Mn  Mn11  1  0.516  0.639  0.426  1.0
  Mn  Mn12  1  0.458  0.660  0.749  1.0
  O  O13  1  0.211  0.087  0.309  1.0
  O  O14  1  0.214  0.124  0.636  1.0
  O  O15  1  0.204  0.157  0.988  1.0
  O  O16  1  0.333  0.861  0.152  1.0
  O  O17  1  0.210  0.867  0.470  1.0
  O  O18  1  0.223  0.911  0.799  1.0
  O  O19  1  0.339  0.359  0.154  1.0
  O  O20  1  0.270  0.612  0.641  1.0
  O  O21  1  0.236  0.405  0.808  1.0
  O  O22  1  0.684  0.372  0.019  1.0
  O  O23  1  0.851  0.590  0.169  1.0
  O  O24  1  0.726  0.353  0.368  1.0
  O  O25  1  0.720  0.607  0.531  1.0
  O  O26  1  0.702  0.396  0.696  1.0
  F  F27  1  0.295  0.594  0.316  1.0
  F  F28  1  0.268  0.365  0.484  1.0
  F  F29  1  0.226  0.627  0.992  1.0
  F  F30  1  0.672  0.641  0.861  1.0
  F  F31  1  0.802  0.115  0.174  1.0
  F  F32  1  0.749  0.112  0.526  1.0
  F  F33  1  0.770  0.851  0.337  1.0
  F  F34  1  0.723  0.862  0.016  1.0
  F  F35  1  0.764  0.143  0.851  1.0
  F  F36  1  0.769  0.890  0.690  1.0
[/CIF]
.
The compound described by MgMn12(O7F5)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(3), one O(4), one O(7), one F(5), and one F(8) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra, edges with two equivalent Mn(10)O4F2 octahedra, edges with two equivalent Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(9)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 39-58°. There are twelve inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(12), one O(5), one F(2), one F(6), and one F(7) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(7)O4F2 octahedra, corners with four equivalent Mn(11)O3F3 octahedra, corners with two equivalent Mn(9)O3F2 square pyramids,  an edgeedge with one Mn(2)O3F3 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 45-69°. In the second Mn site, Mn(2) is bonded to one O(1), one O(11), one O(4), one F(1), one F(5), and one F(7) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(11)O3F3 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with three equivalent Mn(9)O3F2 square pyramids, and  an edgeedge with one Mn(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 37-60°. In the third Mn site, Mn(3) is bonded to one O(10), one O(11), one O(3), one O(7), one F(3), and one F(5) atom to form MnO4F2 octahedra that share  a cornercorner with one Mn(8)O3F3 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(2)O3F3 octahedra, corners with two equivalent Mn(9)O3F2 square pyramids,  an edgeedge with one Mn(8)O3F3 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(10)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 24-60°. In the fourth Mn site, Mn(4) is bonded to one O(14), one O(2), one O(6), one O(9), one F(10), and one F(9) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(8)O3F3 octahedra, corners with two equivalent Mn(7)O4F2 octahedra, corners with four equivalent Mn(12)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. In the fifth Mn site, Mn(5) is bonded to one O(13), one O(2), one O(5), one O(8), one F(10), and one F(6) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(11)O3F3 octahedra, corners with two equivalent Mn(12)O4F2 octahedra, corners with four equivalent Mn(7)O4F2 octahedra,  an edgeedge with one Mn(1)O3F3 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. In the sixth Mn site, Mn(6) is bonded to one O(3), one O(6), one F(3), one F(4), one F(8), and one F(9) atom to form MnO2F4 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(12)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-68°. In the seventh Mn site, Mn(7) is bonded to one O(13), one O(14), one O(2), one O(8), one F(2), and one F(6) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(1)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(5)O4F2 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra, and  an edgeedge with one Mn(12)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-58°. In the eighth Mn site, Mn(8) is bonded to one O(10), one O(3), one O(9), one F(3), one F(4), and one F(9) atom to form distorted MnO3F3 octahedra that share  a cornercorner with one Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 24-68°. In the ninth Mn site, Mn(9) is bonded to one O(1), one O(12), one O(7), one F(1), and one F(5) atom to form distorted MnO3F2 square pyramids that share  a cornercorner with one Mn(10)O4F2 octahedra, corners with two equivalent Mn(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with three equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra, and  an edgeedge with one Mn(11)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 33-68°. In the tenth Mn site, Mn(10) is bonded to one O(10), one O(11), one O(4), one O(7), one F(3), and one F(8) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(2)O3F3 octahedra,  a cornercorner with one Mn(9)O3F2 square pyramid,  an edgeedge with one Mn(8)O3F3 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-55°. In the eleventh Mn site, Mn(11) is bonded to one O(12), one O(13), one O(5), one F(1), one F(2), and one F(7) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(2)O3F3 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(9)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 37-69°. In the twelfth Mn site, Mn(12) is bonded to one O(14), one O(6), one O(8), one O(9), one F(10), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O2F4 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(4)O4F2 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-59°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(9) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(5), and one Mn(7) atom. In the third O site, O(3) is bonded to one Mg(1), one Mn(3), one Mn(6), and one Mn(8) atom to form distorted OMgMn3 tetrahedra that share  a cornercorner with one O(10)MgMn3 trigonal pyramid, corners with two equivalent F(5)MgMn3 trigonal pyramids, and  an edgeedge with one O(10)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(10), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(5) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(6) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(10), one Mn(3), and one Mn(9) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(5), and one Mn(7) atom. In the ninth O site, O(9) is bonded in a trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(8) atom. In the tenth O site, O(10) is bonded to one Mg(1), one Mn(10), one Mn(3), and one Mn(8) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(3)MgMn3 tetrahedra,  an edgeedge with one O(3)MgMn3 tetrahedra, and  an edgeedge with one F(5)MgMn3 trigonal pyramid. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(2), and one Mn(3) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(9) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Mn(11), one Mn(5), and one Mn(7) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(7) atom. There are ten inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Mn(11), one Mn(2), and one Mn(9) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(7) atom. In the third F site, F(3) is bonded in a rectangular see-saw-like geometry to one Mn(10), one Mn(3), one Mn(6), and one Mn(8) atom. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(6), and one Mn(8) atom. In the fifth F site, F(5) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(9) atom to form distorted FMgMn3 trigonal pyramids that share corners with two equivalent O(3)MgMn3 tetrahedra and  an edgeedge with one O(10)MgMn3 trigonal pyramid. In the sixth F site, F(6) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(5), and one Mn(7) atom. In the seventh F site, F(7) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(11), and one Mn(2) atom. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(10), and one Mn(6) atom. In the ninth F site, F(9) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(6), and one Mn(8) atom. In the tenth F site, F(10) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(5) atom. is represented by the CIF card [CIF]
data_MgMn12(O7F5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.851
_cell_length_b   5.788
_cell_length_c   15.175
_cell_angle_alpha   92.703
_cell_angle_beta   89.205
_cell_angle_gamma   89.002
_symmetry_Int_Tables_number   1
_cell_volume   425.519
_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  0.503  0.096  0.078  1.0
  Mn  Mn1  1  0.997  0.128  0.417  1.0
  Mn  Mn2  1  0.051  0.830  0.238  1.0
  Mn  Mn3  1  0.018  0.358  0.083  1.0
  Mn  Mn4  1  0.011  0.174  0.742  1.0
  Mn  Mn5  1  0.012  0.828  0.580  1.0
  Mn  Mn6  1  0.013  0.878  0.913  1.0
  Mn  Mn7  1  0.494  0.358  0.592  1.0
  Mn  Mn8  1  0.449  0.350  0.910  1.0
  Mn  Mn9  1  0.502  0.286  0.268  1.0
  Mn  Mn10  1  0.525  0.620  0.095  1.0
  Mn  Mn11  1  0.516  0.639  0.426  1.0
  Mn  Mn12  1  0.458  0.660  0.749  1.0
  O  O13  1  0.211  0.087  0.309  1.0
  O  O14  1  0.214  0.124  0.636  1.0
  O  O15  1  0.204  0.157  0.988  1.0
  O  O16  1  0.333  0.861  0.152  1.0
  O  O17  1  0.210  0.867  0.470  1.0
  O  O18  1  0.223  0.911  0.799  1.0
  O  O19  1  0.339  0.359  0.154  1.0
  O  O20  1  0.270  0.612  0.641  1.0
  O  O21  1  0.236  0.405  0.808  1.0
  O  O22  1  0.684  0.372  0.019  1.0
  O  O23  1  0.851  0.590  0.169  1.0
  O  O24  1  0.726  0.353  0.368  1.0
  O  O25  1  0.720  0.607  0.531  1.0
  O  O26  1  0.702  0.396  0.696  1.0
  F  F27  1  0.295  0.594  0.316  1.0
  F  F28  1  0.268  0.365  0.484  1.0
  F  F29  1  0.226  0.627  0.992  1.0
  F  F30  1  0.672  0.641  0.861  1.0
  F  F31  1  0.802  0.115  0.174  1.0
  F  F32  1  0.749  0.112  0.526  1.0
  F  F33  1  0.770  0.851  0.337  1.0
  F  F34  1  0.723  0.862  0.016  1.0
  F  F35  1  0.764  0.143  0.851  1.0
  F  F36  1  0.769  0.890  0.690  1.0
[/CIF]
.