The structure described by MgMn12O17F7 crystallizes in the triclinic P1 space group. Mg(1) 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 MgO4F2 octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, edges with two equivalent Mn(2)O5F octahedra, and edges with two equivalent Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 43-57°. 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 Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra, corners with two equivalent Mn(9)O5F octahedra, corners with four equivalent Mn(11)O5F octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-68°. In the second Mn site, Mn(2) is bonded to one O(13), one O(14), one O(4), one O(8), one O(9), and one F(4) atom to form distorted MnO5F octahedra that share  a cornercorner with one Mn(10)O4F2 octahedra,  a cornercorner with one Mn(11)O5F octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 22-64°. In the third Mn site, Mn(3) 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 MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(7)O4F2 octahedra, corners with two equivalent Mn(2)O5F octahedra, corners with two equivalent Mn(9)O5F octahedra, corners with four equivalent Mn(10)O4F2 octahedra, and  an edgeedge with one Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 40-71°. 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 44-62°. 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 42-60°. 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 Mn(10)O4F2 octahedra, corners with two equivalent Mn(12)O5F octahedra, corners with four equivalent Mn(7)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-60°. 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 corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(6)O3F3 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra, and  an edgeedge with one Mn(12)O5F octahedra. The corner-sharing octahedral tilt angles range from 46-62°. 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 42-62°. 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 MnO5F octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(2)O5F octahedra. The corner-sharing octahedral tilt angles range from 40-52°. 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  a cornercorner with one Mn(2)O5F octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(2)O5F octahedra, and  an edgeedge with one Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 22-71°. 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  a cornercorner with one Mn(2)O5F octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(2)O5F 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 23-68°. 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 44-58°. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(1), 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 in a trigonal planar geometry to one Mn(3), one Mn(6), and one Mn(7) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(10), one Mn(2), and one Mn(3) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(14)Mn4 tetrahedra,  a cornercorner with one O(8)Mn4 tetrahedra,  a cornercorner with one O(13)MgMn3 trigonal pyramid,  an edgeedge with one O(8)Mn4 tetrahedra, and  an edgeedge with one O(13)MgMn3 trigonal pyramid. 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 to one Mn(10), one Mn(2), one Mn(3), and one Mn(9) atom to form distorted OMn4 tetrahedra that share corners with two equivalent O(14)Mn4 tetrahedra,  a cornercorner with one O(13)MgMn3 trigonal pyramid,  a cornercorner with one O(4)MgMn3 trigonal pyramid,  an edgeedge with one O(13)MgMn3 trigonal pyramid, and  an edgeedge with one O(4)MgMn3 trigonal pyramid. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(11), one Mn(2), and one Mn(9) atom. In the tenth O site, O(10) is bonded in a 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 in a distorted trigonal planar geometry to one Mn(10), one Mn(3), and one Mn(7) atom. In the thirteenth O site, O(13) is bonded to one Mg(1), one Mn(10), one Mn(2), and one Mn(9) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(8)Mn4 tetrahedra,  a cornercorner with one O(4)MgMn3 trigonal pyramid,  an edgeedge with one O(14)Mn4 tetrahedra,  an edgeedge with one O(8)Mn4 tetrahedra, and  an edgeedge with one O(4)MgMn3 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Mn(1), one Mn(11), one Mn(2), and one Mn(9) atom to form distorted OMn4 tetrahedra that share corners with two equivalent O(8)Mn4 tetrahedra,  a cornercorner with one O(4)MgMn3 trigonal pyramid, and  an edgeedge with one O(13)MgMn3 trigonal pyramid. 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 distorted trigonal planar geometry to one Mn(10), one Mn(6), and one Mn(7) atom. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(3), and one Mn(9) atom. In the third F site, F(3) is bonded in a distorted trigonal planar 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 rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(11), and one Mn(2) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(3), 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 3-coordinate 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   4.784
_cell_length_b   5.721
_cell_length_c   14.992
_cell_angle_alpha   89.410
_cell_angle_beta   86.516
_cell_angle_gamma   90.162
_symmetry_Int_Tables_number   1
_cell_volume   409.530
_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  0.491  0.918  0.246  1.0
  Mn  Mn1  1  0.051  0.184  0.419  1.0
  Mn  Mn2  1  0.009  0.649  0.247  1.0
  Mn  Mn3  1  0.005  0.154  0.079  1.0
  Mn  Mn4  1  0.029  0.171  0.741  1.0
  Mn  Mn5  1  0.037  0.824  0.583  1.0
  Mn  Mn6  1  0.985  0.834  0.905  1.0
  Mn  Mn7  1  0.480  0.337  0.917  1.0
  Mn  Mn8  1  0.510  0.364  0.590  1.0
  Mn  Mn9  1  0.502  0.395  0.257  1.0
  Mn  Mn10  1  0.454  0.629  0.081  1.0
  Mn  Mn11  1  0.526  0.659  0.430  1.0
  Mn  Mn12  1  0.494  0.630  0.755  1.0
  O  O13  1  0.297  0.163  0.313  1.0
  O  O14  1  0.242  0.119  0.634  1.0
  O  O15  1  0.204  0.094  0.966  1.0
  O  O16  1  0.210  0.862  0.150  1.0
  O  O17  1  0.247  0.880  0.474  1.0
  O  O18  1  0.226  0.877  0.799  1.0
  O  O19  1  0.322  0.401  0.480  1.0
  O  O20  1  0.239  0.401  0.162  1.0
  O  O21  1  0.322  0.643  0.318  1.0
  O  O22  1  0.292  0.598  0.648  1.0
  O  O23  1  0.273  0.391  0.811  1.0
  O  O24  1  0.666  0.373  0.027  1.0
  O  O25  1  0.688  0.642  0.185  1.0
  O  O26  1  0.788  0.443  0.341  1.0
  O  O27  1  0.750  0.612  0.528  1.0
  O  O28  1  0.696  0.618  0.861  1.0
  O  O29  1  0.729  0.386  0.693  1.0
  F  F30  1  0.198  0.593  0.982  1.0
  F  F31  1  0.736  0.157  0.192  1.0
  F  F32  1  0.775  0.129  0.526  1.0
  F  F33  1  0.771  0.903  0.351  1.0
  F  F34  1  0.736  0.871  0.021  1.0
  F  F35  1  0.774  0.122  0.848  1.0
  F  F36  1  0.769  0.866  0.691  1.0
[/CIF]
.
The structure described by MgMn12O17F7 crystallizes in the triclinic P1 space group. Mg(1) 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 MgO4F2 octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, edges with two equivalent Mn(2)O5F octahedra, and edges with two equivalent Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 43-57°. 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 Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra, corners with two equivalent Mn(9)O5F octahedra, corners with four equivalent Mn(11)O5F octahedra, and  an edgeedge with one Mn(5)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-68°. In the second Mn site, Mn(2) is bonded to one O(13), one O(14), one O(4), one O(8), one O(9), and one F(4) atom to form distorted MnO5F octahedra that share  a cornercorner with one Mn(10)O4F2 octahedra,  a cornercorner with one Mn(11)O5F octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 22-64°. In the third Mn site, Mn(3) 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 MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(7)O4F2 octahedra, corners with two equivalent Mn(2)O5F octahedra, corners with two equivalent Mn(9)O5F octahedra, corners with four equivalent Mn(10)O4F2 octahedra, and  an edgeedge with one Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 40-71°. 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 44-62°. 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 42-60°. 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 Mn(10)O4F2 octahedra, corners with two equivalent Mn(12)O5F octahedra, corners with four equivalent Mn(7)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-60°. 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 corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(6)O3F3 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra, and  an edgeedge with one Mn(12)O5F octahedra. The corner-sharing octahedral tilt angles range from 46-62°. 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 42-62°. 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 MnO5F octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(10)O4F2 octahedra,  an edgeedge with one Mn(11)O5F octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Mn(2)O5F octahedra. The corner-sharing octahedral tilt angles range from 40-52°. 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  a cornercorner with one Mn(2)O5F octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(7)O4F2 octahedra,  an edgeedge with one Mn(2)O5F octahedra, and  an edgeedge with one Mn(9)O5F octahedra. The corner-sharing octahedral tilt angles range from 22-71°. 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  a cornercorner with one Mn(2)O5F octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(2)O5F 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 23-68°. 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 44-58°. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(1), 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 in a trigonal planar geometry to one Mn(3), one Mn(6), and one Mn(7) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(10), one Mn(2), and one Mn(3) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(14)Mn4 tetrahedra,  a cornercorner with one O(8)Mn4 tetrahedra,  a cornercorner with one O(13)MgMn3 trigonal pyramid,  an edgeedge with one O(8)Mn4 tetrahedra, and  an edgeedge with one O(13)MgMn3 trigonal pyramid. 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 to one Mn(10), one Mn(2), one Mn(3), and one Mn(9) atom to form distorted OMn4 tetrahedra that share corners with two equivalent O(14)Mn4 tetrahedra,  a cornercorner with one O(13)MgMn3 trigonal pyramid,  a cornercorner with one O(4)MgMn3 trigonal pyramid,  an edgeedge with one O(13)MgMn3 trigonal pyramid, and  an edgeedge with one O(4)MgMn3 trigonal pyramid. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(11), one Mn(2), and one Mn(9) atom. In the tenth O site, O(10) is bonded in a 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 in a distorted trigonal planar geometry to one Mn(10), one Mn(3), and one Mn(7) atom. In the thirteenth O site, O(13) is bonded to one Mg(1), one Mn(10), one Mn(2), and one Mn(9) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(8)Mn4 tetrahedra,  a cornercorner with one O(4)MgMn3 trigonal pyramid,  an edgeedge with one O(14)Mn4 tetrahedra,  an edgeedge with one O(8)Mn4 tetrahedra, and  an edgeedge with one O(4)MgMn3 trigonal pyramid. In the fourteenth O site, O(14) is bonded to one Mn(1), one Mn(11), one Mn(2), and one Mn(9) atom to form distorted OMn4 tetrahedra that share corners with two equivalent O(8)Mn4 tetrahedra,  a cornercorner with one O(4)MgMn3 trigonal pyramid, and  an edgeedge with one O(13)MgMn3 trigonal pyramid. 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 distorted trigonal planar geometry to one Mn(10), one Mn(6), and one Mn(7) atom. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Mg(1), one Mn(3), and one Mn(9) atom. In the third F site, F(3) is bonded in a distorted trigonal planar 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 rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(11), and one Mn(2) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(10), one Mn(3), 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 3-coordinate 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   4.784
_cell_length_b   5.721
_cell_length_c   14.992
_cell_angle_alpha   89.410
_cell_angle_beta   86.516
_cell_angle_gamma   90.162
_symmetry_Int_Tables_number   1
_cell_volume   409.530
_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  0.491  0.918  0.246  1.0
  Mn  Mn1  1  0.051  0.184  0.419  1.0
  Mn  Mn2  1  0.009  0.649  0.247  1.0
  Mn  Mn3  1  0.005  0.154  0.079  1.0
  Mn  Mn4  1  0.029  0.171  0.741  1.0
  Mn  Mn5  1  0.037  0.824  0.583  1.0
  Mn  Mn6  1  0.985  0.834  0.905  1.0
  Mn  Mn7  1  0.480  0.337  0.917  1.0
  Mn  Mn8  1  0.510  0.364  0.590  1.0
  Mn  Mn9  1  0.502  0.395  0.257  1.0
  Mn  Mn10  1  0.454  0.629  0.081  1.0
  Mn  Mn11  1  0.526  0.659  0.430  1.0
  Mn  Mn12  1  0.494  0.630  0.755  1.0
  O  O13  1  0.297  0.163  0.313  1.0
  O  O14  1  0.242  0.119  0.634  1.0
  O  O15  1  0.204  0.094  0.966  1.0
  O  O16  1  0.210  0.862  0.150  1.0
  O  O17  1  0.247  0.880  0.474  1.0
  O  O18  1  0.226  0.877  0.799  1.0
  O  O19  1  0.322  0.401  0.480  1.0
  O  O20  1  0.239  0.401  0.162  1.0
  O  O21  1  0.322  0.643  0.318  1.0
  O  O22  1  0.292  0.598  0.648  1.0
  O  O23  1  0.273  0.391  0.811  1.0
  O  O24  1  0.666  0.373  0.027  1.0
  O  O25  1  0.688  0.642  0.185  1.0
  O  O26  1  0.788  0.443  0.341  1.0
  O  O27  1  0.750  0.612  0.528  1.0
  O  O28  1  0.696  0.618  0.861  1.0
  O  O29  1  0.729  0.386  0.693  1.0
  F  F30  1  0.198  0.593  0.982  1.0
  F  F31  1  0.736  0.157  0.192  1.0
  F  F32  1  0.775  0.129  0.526  1.0
  F  F33  1  0.771  0.903  0.351  1.0
  F  F34  1  0.736  0.871  0.021  1.0
  F  F35  1  0.774  0.122  0.848  1.0
  F  F36  1  0.769  0.866  0.691  1.0
[/CIF]
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