The structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(4), one O(7), one F(1), one F(2), and one F(3) atom to form distorted MgO3F3 octahedra that share  a cornercorner with one Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids, edges with two equivalent Mn(6)O3F3 octahedra, edges with two equivalent Mn(4)O4F2 octahedra, and  a faceface with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 45-65°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), one O(6), one O(7), one F(1), and one F(3) atom to form MnO4F2 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(6)O3F3 octahedra,  a cornercorner with one Mn(2)O4F trigonal bipyramid, corners with two equivalent Mn(5)O3F2 trigonal bipyramids,  an edgeedge with one Mn(3)O3F3 octahedra, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 35-56°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(4), one O(5), and one F(4) atom to form MnO4F trigonal bipyramids that share  a cornercorner with one Mn(6)O3F3 octahedra,  a cornercorner with one Mn(1)O4F2 octahedra, corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with two equivalent Mn(5)O3F2 trigonal bipyramids, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 45-75°. In the third Mn site, Mn(3) is bonded to one O(1), one O(5), one O(6), one F(1), one F(2), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids, corners with three equivalent Mn(5)O3F2 trigonal bipyramids, and  an edgeedge with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-65°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(2), one O(4), one O(7), one F(2), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids,  an edgeedge with one Mn(6)O3F3 octahedra, edges with two equivalent Mg(1)O3F3 octahedra,  an edgeedge with one Mn(5)O3F2 trigonal bipyramid, and  an edgeedge with one Mn(2)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 35-60°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(3), one O(6), one F(4), and one F(5) atom to form distorted MnO3F2 trigonal bipyramids that share corners with two equivalent Mn(1)O4F2 octahedra, corners with three equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids,  an edgeedge with one Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(3), one O(7), one F(1), one F(3), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  a cornercorner with one Mn(2)O4F trigonal bipyramid,  an edgeedge with one Mn(4)O4F2 octahedra, edges with two equivalent Mg(1)O3F3 octahedra, and  an edgeedge with one Mn(5)O3F2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 41-56°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Mn(2), one Mn(3), one Mn(4), and one Mn(5) atom to form corner-sharing OMn4 tetrahedra. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(5), and one Mn(6) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one Mn(3) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom to form corner-sharing OMgMn3 trigonal pyramids. There are five inequivalent F sites. In the first F site, F(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(6) 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(4) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(1), and one Mn(6) atom. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(5), and one Mn(6) atom. is represented by the CIF file [CIF]
data_MgMn6O7F5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.122
_cell_length_b   7.780
_cell_length_c   5.675
_cell_angle_alpha   92.792
_cell_angle_beta   82.706
_cell_angle_gamma   94.860
_symmetry_Int_Tables_number   1
_cell_volume   223.330
_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  0.461  0.816  0.881  1.0
  Mn  Mn1  1  0.494  0.017  0.480  1.0
  Mn  Mn2  1  0.652  0.612  0.281  1.0
  Mn  Mn3  1  0.509  0.353  0.800  1.0
  Mn  Mn4  1  0.973  0.693  0.667  1.0
  Mn  Mn5  1  0.053  0.322  0.369  1.0
  Mn  Mn6  1  0.972  0.006  0.015  1.0
  O  O7  1  0.778  0.477  0.568  1.0
  O  O8  1  0.781  0.771  0.019  1.0
  O  O9  1  0.817  0.106  0.304  1.0
  O  O10  1  0.668  0.793  0.532  1.0
  O  O11  1  0.672  0.426  0.071  1.0
  O  O12  1  0.350  0.240  0.534  1.0
  O  O13  1  0.179  0.911  0.718  1.0
  F  F14  1  0.658  0.083  0.826  1.0
  F  F15  1  0.262  0.587  0.830  1.0
  F  F16  1  0.295  0.915  0.185  1.0
  F  F17  1  0.232  0.584  0.352  1.0
  F  F18  1  0.193  0.239  0.009  1.0
[/CIF]
.
The structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(4), one O(7), one F(1), one F(2), and one F(3) atom to form distorted MgO3F3 octahedra that share  a cornercorner with one Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids, edges with two equivalent Mn(6)O3F3 octahedra, edges with two equivalent Mn(4)O4F2 octahedra, and  a faceface with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 45-65°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), one O(6), one O(7), one F(1), and one F(3) atom to form MnO4F2 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with four equivalent Mn(6)O3F3 octahedra,  a cornercorner with one Mn(2)O4F trigonal bipyramid, corners with two equivalent Mn(5)O3F2 trigonal bipyramids,  an edgeedge with one Mn(3)O3F3 octahedra, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 35-56°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(4), one O(5), and one F(4) atom to form MnO4F trigonal bipyramids that share  a cornercorner with one Mn(6)O3F3 octahedra,  a cornercorner with one Mn(1)O4F2 octahedra, corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with two equivalent Mn(5)O3F2 trigonal bipyramids, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 45-75°. In the third Mn site, Mn(3) is bonded to one O(1), one O(5), one O(6), one F(1), one F(2), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(4)O4F2 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids, corners with three equivalent Mn(5)O3F2 trigonal bipyramids, and  an edgeedge with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-65°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(2), one O(4), one O(7), one F(2), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids,  an edgeedge with one Mn(6)O3F3 octahedra, edges with two equivalent Mg(1)O3F3 octahedra,  an edgeedge with one Mn(5)O3F2 trigonal bipyramid, and  an edgeedge with one Mn(2)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 35-60°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(3), one O(6), one F(4), and one F(5) atom to form distorted MnO3F2 trigonal bipyramids that share corners with two equivalent Mn(1)O4F2 octahedra, corners with three equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(2)O4F trigonal bipyramids,  an edgeedge with one Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(3), one O(7), one F(1), one F(3), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  a cornercorner with one Mn(2)O4F trigonal bipyramid,  an edgeedge with one Mn(4)O4F2 octahedra, edges with two equivalent Mg(1)O3F3 octahedra, and  an edgeedge with one Mn(5)O3F2 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 41-56°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Mn(2), one Mn(3), one Mn(4), and one Mn(5) atom to form corner-sharing OMn4 tetrahedra. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(5), and one Mn(6) atom. In the fourth O site, O(4) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one Mn(3) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. In the seventh O site, O(7) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom to form corner-sharing OMgMn3 trigonal pyramids. There are five inequivalent F sites. In the first F site, F(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(6) 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(4) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mg(1), one Mn(1), and one Mn(6) atom. In the fourth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(5), and one Mn(6) atom. is represented by the CIF file [CIF]
data_MgMn6O7F5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.122
_cell_length_b   7.780
_cell_length_c   5.675
_cell_angle_alpha   92.792
_cell_angle_beta   82.706
_cell_angle_gamma   94.860
_symmetry_Int_Tables_number   1
_cell_volume   223.330
_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  0.461  0.816  0.881  1.0
  Mn  Mn1  1  0.494  0.017  0.480  1.0
  Mn  Mn2  1  0.652  0.612  0.281  1.0
  Mn  Mn3  1  0.509  0.353  0.800  1.0
  Mn  Mn4  1  0.973  0.693  0.667  1.0
  Mn  Mn5  1  0.053  0.322  0.369  1.0
  Mn  Mn6  1  0.972  0.006  0.015  1.0
  O  O7  1  0.778  0.477  0.568  1.0
  O  O8  1  0.781  0.771  0.019  1.0
  O  O9  1  0.817  0.106  0.304  1.0
  O  O10  1  0.668  0.793  0.532  1.0
  O  O11  1  0.672  0.426  0.071  1.0
  O  O12  1  0.350  0.240  0.534  1.0
  O  O13  1  0.179  0.911  0.718  1.0
  F  F14  1  0.658  0.083  0.826  1.0
  F  F15  1  0.262  0.587  0.830  1.0
  F  F16  1  0.295  0.915  0.185  1.0
  F  F17  1  0.232  0.584  0.352  1.0
  F  F18  1  0.193  0.239  0.009  1.0
[/CIF]
.