The crystal structure described by MgMn12O17F7 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(12), one O(3), one O(4), one O(8), one F(2), and one F(5) atom to form distorted MgO4F2 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(9)O5F octahedra, edges with two equivalent Mn(10)O4F2 octahedra, and edges with two equivalent Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 38-58°. There are twelve inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(14), one O(5), one O(7), one F(3), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(8)O5F octahedra, corners with two equivalent Mn(9)O5F octahedra, corners with four equivalent Mn(11)O5F octahedra,  an edgeedge with one Mn(2)O4F2 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 42-61°. In the second Mn site, Mn(2) is bonded to one O(1), one O(13), one O(4), one O(9), one F(2), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(11)O5F octahedra, corners with four equivalent Mn(9)O5F octahedra, and  an edgeedge with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 38-64°. In the third Mn site, Mn(3) is bonded to one O(12), one O(13), one O(3), one O(8), one F(1), and one F(2) atom to form MnO4F2 octahedra that share  a cornercorner with one Mn(7)O4F2 octahedra,  a cornercorner with one Mn(9)O5F octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(9)O5F 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 25-64°. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(17), one O(2), one O(6), one F(6), and one F(7) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(7)O4F2 octahedra, corners with two equivalent Mn(8)O5F octahedra, corners with four equivalent Mn(12)O5F octahedra,  an edgeedge with one Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-60°. In the fifth Mn site, Mn(5) is bonded to one O(10), one O(15), one O(2), one O(5), one F(3), and one F(7) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(11)O5F octahedra, corners with two equivalent Mn(12)O5F octahedra, corners with four equivalent Mn(8)O5F octahedra,  an edgeedge with one Mn(1)O4F2 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-61°. In the sixth Mn site, Mn(6) is bonded to one O(16), one O(3), one O(6), one F(1), one F(5), and one F(6) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(12)O5F octahedra, corners with four equivalent Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 37-69°. In the seventh Mn site, Mn(7) is bonded to one O(11), one O(12), one O(16), one O(3), one F(1), and one F(6) atom to form MnO4F2 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)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(12)O5F octahedra. The corner-sharing octahedral tilt angles range from 25-69°. In the eighth Mn site, Mn(8) is bonded to one O(10), one O(15), one O(17), one O(2), one O(7), and one F(3) atom to form MnO5F octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(5)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, and  an edgeedge with one Mn(12)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-60°. In the ninth Mn site, Mn(9) is bonded to one O(1), one O(13), one O(14), one O(8), one O(9), and one F(2) atom to form distorted MnO5F octahedra that share  a cornercorner with one Mn(3)O4F2 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with four equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(11)O5F octahedra. The corner-sharing octahedral tilt angles range from 25-64°. In the tenth Mn site, Mn(10) is bonded to one O(12), one O(13), one O(4), one O(8), one F(1), and one F(5) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(9)O5F 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 37-55°. In the eleventh Mn site, Mn(11) is bonded to one O(14), one O(15), one O(5), one O(7), one O(9), and one F(4) atom to form MnO5F octahedra that share corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  an edgeedge with one Mn(8)O5F octahedra, and  an edgeedge with one Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-61°. In the twelfth Mn site, Mn(12) is bonded to one O(10), one O(11), one O(16), one O(17), one O(6), and one F(7) atom to form MnO5F octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(4)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(8)O5F octahedra. The corner-sharing octahedral tilt angles range from 46-59°. There are seventeen 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(8) atom. In the third O site, O(3) is bonded to one Mg(1), one Mn(3), one Mn(6), and one Mn(7) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(12)MgMn3 trigonal pyramid,  a cornercorner with one O(13)Mn4 trigonal pyramid, and  an edgeedge with one O(12)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(10), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted 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 distorted 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 distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(8) atom. In the eighth O site, O(8) 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 ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mn(11), one Mn(2), and one Mn(9) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(5), and one Mn(8) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(7) atom. In the twelfth O site, O(12) is bonded to one Mg(1), one Mn(10), one Mn(3), and one Mn(7) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(3)MgMn3 trigonal pyramid,  an edgeedge with one O(3)MgMn3 trigonal pyramid, and  an edgeedge with one O(13)Mn4 trigonal pyramid. In the thirteenth O site, O(13) is bonded to one Mn(10), one Mn(2), one Mn(3), and one Mn(9) atom to form a mixture of distorted edge and corner-sharing OMn4 trigonal pyramids. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(9) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Mn(11), one Mn(5), and one Mn(8) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(6), and one Mn(7) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(8) atom. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a rectangular see-saw-like geometry to one Mn(10), one Mn(3), one Mn(6), and one Mn(7) atom. In the second F site, F(2) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(9) atom. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(5), and one Mn(8) atom. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(2) atom. In the fifth F site, F(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(10), and one Mn(6) atom. In the sixth F site, F(6) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(6), and one Mn(7) atom. In the seventh F site, F(7) 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 file [CIF]
data_MgMn12O17F7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.793
_cell_length_b   5.715
_cell_length_c   14.991
_cell_angle_alpha   92.567
_cell_angle_beta   86.956
_cell_angle_gamma   91.708
_symmetry_Int_Tables_number   1
_cell_volume   409.499
_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  0.468  0.078  0.073  1.0
  Mn  Mn1  1  0.017  0.150  0.417  1.0
  Mn  Mn2  1  0.052  0.795  0.250  1.0
  Mn  Mn3  1  0.995  0.340  0.082  1.0
  Mn  Mn4  1  0.007  0.182  0.737  1.0
  Mn  Mn5  1  0.021  0.819  0.577  1.0
  Mn  Mn6  1  0.989  0.859  0.905  1.0
  Mn  Mn7  1  0.463  0.368  0.906  1.0
  Mn  Mn8  1  0.492  0.367  0.586  1.0
  Mn  Mn9  1  0.513  0.316  0.262  1.0
  Mn  Mn10  1  0.512  0.608  0.094  1.0
  Mn  Mn11  1  0.499  0.617  0.422  1.0
  Mn  Mn12  1  0.479  0.651  0.751  1.0
  O  O13  1  0.223  0.082  0.306  1.0
  O  O14  1  0.224  0.122  0.632  1.0
  O  O15  1  0.193  0.140  0.978  1.0
  O  O16  1  0.292  0.835  0.147  1.0
  O  O17  1  0.228  0.865  0.468  1.0
  O  O18  1  0.223  0.904  0.800  1.0
  O  O19  1  0.281  0.386  0.481  1.0
  O  O20  1  0.313  0.341  0.150  1.0
  O  O21  1  0.311  0.575  0.313  1.0
  O  O22  1  0.275  0.605  0.645  1.0
  O  O23  1  0.244  0.420  0.808  1.0
  O  O24  1  0.673  0.363  0.016  1.0
  O  O25  1  0.817  0.554  0.179  1.0
  O  O26  1  0.732  0.362  0.363  1.0
  O  O27  1  0.722  0.608  0.526  1.0
  O  O28  1  0.684  0.641  0.858  1.0
  O  O29  1  0.706  0.397  0.691  1.0
  F  F30  1  0.207  0.618  0.990  1.0
  F  F31  1  0.760  0.094  0.177  1.0
  F  F32  1  0.752  0.124  0.527  1.0
  F  F33  1  0.769  0.845  0.354  1.0
  F  F34  1  0.728  0.856  0.018  1.0
  F  F35  1  0.765  0.139  0.848  1.0
  F  F36  1  0.761  0.877  0.689  1.0
[/CIF]
.
The crystal structure described by MgMn12O17F7 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(12), one O(3), one O(4), one O(8), one F(2), and one F(5) atom to form distorted MgO4F2 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(9)O5F octahedra, edges with two equivalent Mn(10)O4F2 octahedra, and edges with two equivalent Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 38-58°. There are twelve inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(14), one O(5), one O(7), one F(3), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(8)O5F octahedra, corners with two equivalent Mn(9)O5F octahedra, corners with four equivalent Mn(11)O5F octahedra,  an edgeedge with one Mn(2)O4F2 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 42-61°. In the second Mn site, Mn(2) is bonded to one O(1), one O(13), one O(4), one O(9), one F(2), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(11)O5F octahedra, corners with four equivalent Mn(9)O5F octahedra, and  an edgeedge with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 38-64°. In the third Mn site, Mn(3) is bonded to one O(12), one O(13), one O(3), one O(8), one F(1), and one F(2) atom to form MnO4F2 octahedra that share  a cornercorner with one Mn(7)O4F2 octahedra,  a cornercorner with one Mn(9)O5F octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(9)O5F 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 25-64°. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(17), one O(2), one O(6), one F(6), and one F(7) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(7)O4F2 octahedra, corners with two equivalent Mn(8)O5F octahedra, corners with four equivalent Mn(12)O5F octahedra,  an edgeedge with one Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-60°. In the fifth Mn site, Mn(5) is bonded to one O(10), one O(15), one O(2), one O(5), one F(3), and one F(7) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(11)O5F octahedra, corners with two equivalent Mn(12)O5F octahedra, corners with four equivalent Mn(8)O5F octahedra,  an edgeedge with one Mn(1)O4F2 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-61°. In the sixth Mn site, Mn(6) is bonded to one O(16), one O(3), one O(6), one F(1), one F(5), and one F(6) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(10)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(12)O5F octahedra, corners with four equivalent Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 37-69°. In the seventh Mn site, Mn(7) is bonded to one O(11), one O(12), one O(16), one O(3), one F(1), and one F(6) atom to form MnO4F2 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)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(12)O5F octahedra. The corner-sharing octahedral tilt angles range from 25-69°. In the eighth Mn site, Mn(8) is bonded to one O(10), one O(15), one O(17), one O(2), one O(7), and one F(3) atom to form MnO5F octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(5)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, and  an edgeedge with one Mn(12)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-60°. In the ninth Mn site, Mn(9) is bonded to one O(1), one O(13), one O(14), one O(8), one O(9), and one F(2) atom to form distorted MnO5F octahedra that share  a cornercorner with one Mn(3)O4F2 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with four equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(11)O5F octahedra. The corner-sharing octahedral tilt angles range from 25-64°. In the tenth Mn site, Mn(10) is bonded to one O(12), one O(13), one O(4), one O(8), one F(1), and one F(5) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(9)O5F 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 37-55°. In the eleventh Mn site, Mn(11) is bonded to one O(14), one O(15), one O(5), one O(7), one O(9), and one F(4) atom to form MnO5F octahedra that share corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  an edgeedge with one Mn(8)O5F octahedra, and  an edgeedge with one Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-61°. In the twelfth Mn site, Mn(12) is bonded to one O(10), one O(11), one O(16), one O(17), one O(6), and one F(7) atom to form MnO5F octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(4)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra, and  an edgeedge with one Mn(8)O5F octahedra. The corner-sharing octahedral tilt angles range from 46-59°. There are seventeen 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(8) atom. In the third O site, O(3) is bonded to one Mg(1), one Mn(3), one Mn(6), and one Mn(7) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(12)MgMn3 trigonal pyramid,  a cornercorner with one O(13)Mn4 trigonal pyramid, and  an edgeedge with one O(12)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(10), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a distorted 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 distorted 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 distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(8) atom. In the eighth O site, O(8) 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 ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mn(11), one Mn(2), and one Mn(9) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(5), and one Mn(8) atom. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(7) atom. In the twelfth O site, O(12) is bonded to one Mg(1), one Mn(10), one Mn(3), and one Mn(7) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(3)MgMn3 trigonal pyramid,  an edgeedge with one O(3)MgMn3 trigonal pyramid, and  an edgeedge with one O(13)Mn4 trigonal pyramid. In the thirteenth O site, O(13) is bonded to one Mn(10), one Mn(2), one Mn(3), and one Mn(9) atom to form a mixture of distorted edge and corner-sharing OMn4 trigonal pyramids. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(9) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Mn(11), one Mn(5), and one Mn(8) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(6), and one Mn(7) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Mn(12), one Mn(4), and one Mn(8) atom. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a rectangular see-saw-like geometry to one Mn(10), one Mn(3), one Mn(6), and one Mn(7) atom. In the second F site, F(2) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(9) atom. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(5), and one Mn(8) atom. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(11), and one Mn(2) atom. In the fifth F site, F(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(10), and one Mn(6) atom. In the sixth F site, F(6) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(6), and one Mn(7) atom. In the seventh F site, F(7) 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 file [CIF]
data_MgMn12O17F7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.793
_cell_length_b   5.715
_cell_length_c   14.991
_cell_angle_alpha   92.567
_cell_angle_beta   86.956
_cell_angle_gamma   91.708
_symmetry_Int_Tables_number   1
_cell_volume   409.499
_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  0.468  0.078  0.073  1.0
  Mn  Mn1  1  0.017  0.150  0.417  1.0
  Mn  Mn2  1  0.052  0.795  0.250  1.0
  Mn  Mn3  1  0.995  0.340  0.082  1.0
  Mn  Mn4  1  0.007  0.182  0.737  1.0
  Mn  Mn5  1  0.021  0.819  0.577  1.0
  Mn  Mn6  1  0.989  0.859  0.905  1.0
  Mn  Mn7  1  0.463  0.368  0.906  1.0
  Mn  Mn8  1  0.492  0.367  0.586  1.0
  Mn  Mn9  1  0.513  0.316  0.262  1.0
  Mn  Mn10  1  0.512  0.608  0.094  1.0
  Mn  Mn11  1  0.499  0.617  0.422  1.0
  Mn  Mn12  1  0.479  0.651  0.751  1.0
  O  O13  1  0.223  0.082  0.306  1.0
  O  O14  1  0.224  0.122  0.632  1.0
  O  O15  1  0.193  0.140  0.978  1.0
  O  O16  1  0.292  0.835  0.147  1.0
  O  O17  1  0.228  0.865  0.468  1.0
  O  O18  1  0.223  0.904  0.800  1.0
  O  O19  1  0.281  0.386  0.481  1.0
  O  O20  1  0.313  0.341  0.150  1.0
  O  O21  1  0.311  0.575  0.313  1.0
  O  O22  1  0.275  0.605  0.645  1.0
  O  O23  1  0.244  0.420  0.808  1.0
  O  O24  1  0.673  0.363  0.016  1.0
  O  O25  1  0.817  0.554  0.179  1.0
  O  O26  1  0.732  0.362  0.363  1.0
  O  O27  1  0.722  0.608  0.526  1.0
  O  O28  1  0.684  0.641  0.858  1.0
  O  O29  1  0.706  0.397  0.691  1.0
  F  F30  1  0.207  0.618  0.990  1.0
  F  F31  1  0.760  0.094  0.177  1.0
  F  F32  1  0.752  0.124  0.527  1.0
  F  F33  1  0.769  0.845  0.354  1.0
  F  F34  1  0.728  0.856  0.018  1.0
  F  F35  1  0.765  0.139  0.848  1.0
  F  F36  1  0.761  0.877  0.689  1.0
[/CIF]
.