The crystal structure described by MgMn12(O7F5)2 crystallizes in the triclinic P1 space group. Mg(1) 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 MgO4F2 octahedra that share corners with two equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, edges with two equivalent Mn(5)O4F2 octahedra, and edges with two equivalent Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-59°. 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 distorted MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with two equivalent Mn(7)O4F2 octahedra, corners with two equivalent Mn(9)O4F2 octahedra, corners with four equivalent Mn(11)O3F3 octahedra, and  an edgeedge with one Mn(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 36-66°. 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 Mn(11)O3F3 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with four equivalent Mn(9)O4F2 octahedra,  an edgeedge with one Mn(1)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-62°. In the third Mn site, Mn(3) 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 distorted MnO4F2 octahedra that share corners with two equivalent Mn(8)O3F3 octahedra, corners with two equivalent Mn(9)O4F2 octahedra, corners with four equivalent Mn(10)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 41-57°. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(14), one O(2), one O(6), one O(9), one F(10), and one F(9) atom. In the fifth Mn site, Mn(5) is bonded to one O(13), one O(14), one O(5), one O(8), one F(10), and one F(2) atom to form distorted MnO4F2 octahedra that share  a cornercorner with one Mn(11)O3F3 octahedra,  a cornercorner with one Mn(12)O4F2 octahedra, corners with two equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 26-57°. 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 Mn(10)O4F2 octahedra, corners with two equivalent Mn(12)O4F2 octahedra, corners with four equivalent Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 42-62°. 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,  an edgeedge with one Mn(11)O3F3 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 36-45°. 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 corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra, and  an edgeedge with one Mn(12)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-62°. In the ninth Mn site, Mn(9) is bonded to one O(1), one O(11), one O(12), one O(7), one F(1), and one F(5) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra, and  an edgeedge with one Mn(10)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-62°. 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, corners with four equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(9)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. 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  a cornercorner with one Mn(5)O4F2 octahedra, corners with two equivalent Mn(2)O3F3 octahedra, corners with four equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(9)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 26-66°. 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 distorted MnO4F2 octahedra that share  a cornercorner with one Mn(5)O4F2 octahedra, corners with two equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  an edgeedge with one Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 26-58°. 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 Mg(1), one Mn(4), and one Mn(7) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(3), one Mn(6), and one Mn(8) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(2), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(1), one Mn(11), and one Mn(5) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(13)MgMn3 trigonal pyramid,  a cornercorner with one O(14)Mn4 trigonal pyramid,  an edgeedge with one O(13)MgMn3 trigonal pyramid, and  an edgeedge with one O(8)MgMn3 trigonal pyramid. 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 trigonal planar geometry to one Mn(10), one Mn(3), and one Mn(9) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Mn(12), one Mn(5), and one Mn(7) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(13)MgMn3 trigonal pyramid,  a cornercorner with one O(14)Mn4 trigonal pyramid,  an edgeedge with one O(13)MgMn3 trigonal pyramid,  an edgeedge with one O(5)MgMn3 trigonal pyramid, and  an edgeedge with one O(14)Mn4 trigonal pyramid. 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 in a trigonal planar geometry to one Mn(10), one Mn(3), and one Mn(8) atom. 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(9) 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 to one Mg(1), one Mn(11), one Mn(5), and one Mn(7) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(5)MgMn3 trigonal pyramid,  a cornercorner with one O(8)MgMn3 trigonal pyramid,  an edgeedge with one O(5)MgMn3 trigonal pyramid,  an edgeedge with one O(8)MgMn3 trigonal pyramid, and  an edgeedge with one O(14)Mn4 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Mn(12), one Mn(4), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing OMn4 trigonal pyramids. 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 rectangular see-saw-like geometry to one Mn(1), one Mn(11), one Mn(5), and one Mn(7) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(6), and one Mn(8) atom. In the fourth F site, F(4) is bonded in a 3-coordinate geometry to one Mn(12), one Mn(6), and one Mn(8) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(9) atom. In the sixth F site, F(6) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(1), and one Mn(7) atom. In the seventh F site, F(7) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(2) atom. In the eighth F site, F(8) is bonded in a 3-coordinate geometry to one Mn(10), one Mn(3), 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 4-coordinate geometry to one Mg(1), one Mn(12), one Mn(4), and one Mn(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn12(O7F5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.864
_cell_length_b   5.785
_cell_length_c   15.202
_cell_angle_alpha   88.005
_cell_angle_beta   87.445
_cell_angle_gamma   89.267
_symmetry_Int_Tables_number   1
_cell_volume   427.059
_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  0.479  0.900  0.577  1.0
  Mn  Mn1  1  0.976  0.136  0.407  1.0
  Mn  Mn2  1  0.993  0.835  0.239  1.0
  Mn  Mn3  1  0.022  0.174  0.080  1.0
  Mn  Mn4  1  0.073  0.199  0.747  1.0
  Mn  Mn5  1  0.008  0.633  0.581  1.0
  Mn  Mn6  1  0.038  0.881  0.916  1.0
  Mn  Mn7  1  0.520  0.374  0.596  1.0
  Mn  Mn8  1  0.514  0.351  0.925  1.0
  Mn  Mn9  1  0.470  0.330  0.251  1.0
  Mn  Mn10  1  0.502  0.639  0.093  1.0
  Mn  Mn11  1  0.460  0.621  0.413  1.0
  Mn  Mn12  1  0.517  0.676  0.761  1.0
  O  O13  1  0.200  0.089  0.297  1.0
  O  O14  1  0.302  0.145  0.648  1.0
  O  O15  1  0.224  0.134  0.971  1.0
  O  O16  1  0.221  0.883  0.133  1.0
  O  O17  1  0.200  0.833  0.485  1.0
  O  O18  1  0.241  0.924  0.808  1.0
  O  O19  1  0.275  0.398  0.143  1.0
  O  O20  1  0.321  0.631  0.650  1.0
  O  O21  1  0.334  0.420  0.816  1.0
  O  O22  1  0.729  0.391  0.029  1.0
  O  O23  1  0.695  0.614  0.197  1.0
  O  O24  1  0.656  0.362  0.360  1.0
  O  O25  1  0.678  0.619  0.520  1.0
  O  O26  1  0.835  0.423  0.678  1.0
  F  F27  1  0.204  0.589  0.318  1.0
  F  F28  1  0.204  0.365  0.490  1.0
  F  F29  1  0.296  0.634  0.981  1.0
  F  F30  1  0.774  0.652  0.865  1.0
  F  F31  1  0.764  0.121  0.183  1.0
  F  F32  1  0.719  0.131  0.523  1.0
  F  F33  1  0.743  0.864  0.351  1.0
  F  F34  1  0.767  0.877  0.022  1.0
  F  F35  1  0.800  0.162  0.849  1.0
  F  F36  1  0.760  0.884  0.680  1.0
[/CIF]
.
The crystal structure described by MgMn12(O7F5)2 crystallizes in the triclinic P1 space group. Mg(1) 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 MgO4F2 octahedra that share corners with two equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, edges with two equivalent Mn(5)O4F2 octahedra, and edges with two equivalent Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-59°. 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 distorted MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with two equivalent Mn(7)O4F2 octahedra, corners with two equivalent Mn(9)O4F2 octahedra, corners with four equivalent Mn(11)O3F3 octahedra, and  an edgeedge with one Mn(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 36-66°. 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 Mn(11)O3F3 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with four equivalent Mn(9)O4F2 octahedra,  an edgeedge with one Mn(1)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-62°. In the third Mn site, Mn(3) 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 distorted MnO4F2 octahedra that share corners with two equivalent Mn(8)O3F3 octahedra, corners with two equivalent Mn(9)O4F2 octahedra, corners with four equivalent Mn(10)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 41-57°. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(14), one O(2), one O(6), one O(9), one F(10), and one F(9) atom. In the fifth Mn site, Mn(5) is bonded to one O(13), one O(14), one O(5), one O(8), one F(10), and one F(2) atom to form distorted MnO4F2 octahedra that share  a cornercorner with one Mn(11)O3F3 octahedra,  a cornercorner with one Mn(12)O4F2 octahedra, corners with two equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 26-57°. 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 Mn(10)O4F2 octahedra, corners with two equivalent Mn(12)O4F2 octahedra, corners with four equivalent Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 42-62°. 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,  an edgeedge with one Mn(11)O3F3 octahedra,  an edgeedge with one Mn(12)O4F2 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 36-45°. 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 corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra, and  an edgeedge with one Mn(12)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-62°. In the ninth Mn site, Mn(9) is bonded to one O(1), one O(11), one O(12), one O(7), one F(1), and one F(5) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mn(11)O3F3 octahedra, and  an edgeedge with one Mn(10)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-62°. 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, corners with four equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra, and  an edgeedge with one Mn(9)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-59°. 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  a cornercorner with one Mn(5)O4F2 octahedra, corners with two equivalent Mn(2)O3F3 octahedra, corners with four equivalent Mn(1)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(9)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 26-66°. 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 distorted MnO4F2 octahedra that share  a cornercorner with one Mn(5)O4F2 octahedra, corners with two equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(8)O3F3 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  an edgeedge with one Mn(7)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 26-58°. 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 Mg(1), one Mn(4), and one Mn(7) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(3), one Mn(6), and one Mn(8) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(2), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(1), one Mn(11), and one Mn(5) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(13)MgMn3 trigonal pyramid,  a cornercorner with one O(14)Mn4 trigonal pyramid,  an edgeedge with one O(13)MgMn3 trigonal pyramid, and  an edgeedge with one O(8)MgMn3 trigonal pyramid. 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 trigonal planar geometry to one Mn(10), one Mn(3), and one Mn(9) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Mn(12), one Mn(5), and one Mn(7) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(13)MgMn3 trigonal pyramid,  a cornercorner with one O(14)Mn4 trigonal pyramid,  an edgeedge with one O(13)MgMn3 trigonal pyramid,  an edgeedge with one O(5)MgMn3 trigonal pyramid, and  an edgeedge with one O(14)Mn4 trigonal pyramid. 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 in a trigonal planar geometry to one Mn(10), one Mn(3), and one Mn(8) atom. 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(9) 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 to one Mg(1), one Mn(11), one Mn(5), and one Mn(7) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(5)MgMn3 trigonal pyramid,  a cornercorner with one O(8)MgMn3 trigonal pyramid,  an edgeedge with one O(5)MgMn3 trigonal pyramid,  an edgeedge with one O(8)MgMn3 trigonal pyramid, and  an edgeedge with one O(14)Mn4 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Mn(12), one Mn(4), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing OMn4 trigonal pyramids. 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 rectangular see-saw-like geometry to one Mn(1), one Mn(11), one Mn(5), and one Mn(7) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(6), and one Mn(8) atom. In the fourth F site, F(4) is bonded in a 3-coordinate geometry to one Mn(12), one Mn(6), and one Mn(8) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(9) atom. In the sixth F site, F(6) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(1), and one Mn(7) atom. In the seventh F site, F(7) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(2) atom. In the eighth F site, F(8) is bonded in a 3-coordinate geometry to one Mn(10), one Mn(3), 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 4-coordinate geometry to one Mg(1), one Mn(12), one Mn(4), and one Mn(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn12(O7F5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.864
_cell_length_b   5.785
_cell_length_c   15.202
_cell_angle_alpha   88.005
_cell_angle_beta   87.445
_cell_angle_gamma   89.267
_symmetry_Int_Tables_number   1
_cell_volume   427.059
_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  0.479  0.900  0.577  1.0
  Mn  Mn1  1  0.976  0.136  0.407  1.0
  Mn  Mn2  1  0.993  0.835  0.239  1.0
  Mn  Mn3  1  0.022  0.174  0.080  1.0
  Mn  Mn4  1  0.073  0.199  0.747  1.0
  Mn  Mn5  1  0.008  0.633  0.581  1.0
  Mn  Mn6  1  0.038  0.881  0.916  1.0
  Mn  Mn7  1  0.520  0.374  0.596  1.0
  Mn  Mn8  1  0.514  0.351  0.925  1.0
  Mn  Mn9  1  0.470  0.330  0.251  1.0
  Mn  Mn10  1  0.502  0.639  0.093  1.0
  Mn  Mn11  1  0.460  0.621  0.413  1.0
  Mn  Mn12  1  0.517  0.676  0.761  1.0
  O  O13  1  0.200  0.089  0.297  1.0
  O  O14  1  0.302  0.145  0.648  1.0
  O  O15  1  0.224  0.134  0.971  1.0
  O  O16  1  0.221  0.883  0.133  1.0
  O  O17  1  0.200  0.833  0.485  1.0
  O  O18  1  0.241  0.924  0.808  1.0
  O  O19  1  0.275  0.398  0.143  1.0
  O  O20  1  0.321  0.631  0.650  1.0
  O  O21  1  0.334  0.420  0.816  1.0
  O  O22  1  0.729  0.391  0.029  1.0
  O  O23  1  0.695  0.614  0.197  1.0
  O  O24  1  0.656  0.362  0.360  1.0
  O  O25  1  0.678  0.619  0.520  1.0
  O  O26  1  0.835  0.423  0.678  1.0
  F  F27  1  0.204  0.589  0.318  1.0
  F  F28  1  0.204  0.365  0.490  1.0
  F  F29  1  0.296  0.634  0.981  1.0
  F  F30  1  0.774  0.652  0.865  1.0
  F  F31  1  0.764  0.121  0.183  1.0
  F  F32  1  0.719  0.131  0.523  1.0
  F  F33  1  0.743  0.864  0.351  1.0
  F  F34  1  0.767  0.877  0.022  1.0
  F  F35  1  0.800  0.162  0.849  1.0
  F  F36  1  0.760  0.884  0.680  1.0
[/CIF]
.