The material structure described by MgMn6O5F7 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one F(5), and one F(7) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra,  a cornercorner with one Mn(6)O3F2 square pyramid,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O2F4 octahedra, edges with two equivalent Mn(1)O2F4 octahedra, and  an edgeedge with one Mn(6)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 44-49°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(4), one F(1), one F(5), one F(6), and one F(7) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O3F2 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O2F4 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 62-64°. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one F(1), one F(4), and one F(5) atom. In the third Mn site, Mn(3) is bonded to one O(1), one O(4), one O(5), one F(2), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(1)O2F4 octahedra, corners with three equivalent Mn(4)O2F4 octahedra, corners with three equivalent Mn(5)O2F4 octahedra, and  an edgeedge with one Mn(6)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 41-64°. In the fourth Mn site, Mn(4) is bonded to one O(2), one O(5), one F(2), one F(4), one F(6), and one F(7) atom to form MnO2F4 octahedra that share corners with three equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O3F2 square pyramids,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(1)O2F4 octahedra, and  an edgeedge with one Mn(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 42-51°. In the fifth Mn site, Mn(5) is bonded to one O(3), one O(5), one F(1), one F(2), one F(3), and one F(5) atom to form MnO2F4 octahedra that share corners with three equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O3F2 square pyramids,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(1)O2F4 octahedra, and  an edgeedge with one Mn(4)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 41-49°. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(3), one O(4), one F(3), and one F(6) atom to form distorted MnO3F2 square pyramids that share  a cornercorner with one Mg(1)O4F2 octahedra, corners with two equivalent Mn(1)O2F4 octahedra, corners with two equivalent Mn(4)O2F4 octahedra, corners with two equivalent Mn(5)O2F4 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra, and  an edgeedge with one Mn(3)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 47-60°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(3) atom to form distorted edge-sharing OMgMn3 trigonal pyramids. In the second O site, O(2) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom to form distorted edge-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(2), 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(3), and one Mn(6) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(4), and one Mn(5) atom. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the second F site, F(2) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(5), 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(3), and one Mn(4) atom. In the fifth F site, F(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(5) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(6) atom. In the seventh F site, F(7) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(1), and one Mn(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn6O5F7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.426
_cell_length_b   5.885
_cell_length_c   6.061
_cell_angle_alpha   77.488
_cell_angle_beta   69.677
_cell_angle_gamma   73.777
_symmetry_Int_Tables_number   1
_cell_volume   236.386
_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  0.839  0.662  0.160  1.0
  Mn  Mn1  1  0.829  0.679  0.661  1.0
  Mn  Mn2  1  0.664  0.284  0.370  1.0
  Mn  Mn3  1  0.331  0.700  0.636  1.0
  Mn  Mn4  1  0.165  0.297  0.334  1.0
  Mn  Mn5  1  0.493  0.017  0.033  1.0
  Mn  Mn6  1  0.996  0.055  0.974  1.0
  O  O7  1  0.637  0.577  0.500  1.0
  O  O8  1  0.942  0.287  0.199  1.0
  O  O9  1  0.721  0.040  0.152  1.0
  O  O10  1  0.024  0.777  0.822  1.0
  O  O11  1  0.316  0.959  0.367  1.0
  F  F12  1  0.668  0.034  0.673  1.0
  F  F13  1  0.346  0.384  0.970  1.0
  F  F14  1  0.291  0.958  0.885  1.0
  F  F15  1  0.370  0.387  0.454  1.0
  F  F16  1  0.646  0.635  0.017  1.0
  F  F17  1  0.980  0.319  0.688  1.0
  F  F18  1  0.028  0.680  0.314  1.0
[/CIF]
.
The material structure described by MgMn6O5F7 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one F(5), and one F(7) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra,  a cornercorner with one Mn(6)O3F2 square pyramid,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O2F4 octahedra, edges with two equivalent Mn(1)O2F4 octahedra, and  an edgeedge with one Mn(6)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 44-49°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(4), one F(1), one F(5), one F(6), and one F(7) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O3F2 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O2F4 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 62-64°. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one F(1), one F(4), and one F(5) atom. In the third Mn site, Mn(3) is bonded to one O(1), one O(4), one O(5), one F(2), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(1)O2F4 octahedra, corners with three equivalent Mn(4)O2F4 octahedra, corners with three equivalent Mn(5)O2F4 octahedra, and  an edgeedge with one Mn(6)O3F2 square pyramid. The corner-sharing octahedral tilt angles range from 41-64°. In the fourth Mn site, Mn(4) is bonded to one O(2), one O(5), one F(2), one F(4), one F(6), and one F(7) atom to form MnO2F4 octahedra that share corners with three equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O3F2 square pyramids,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(1)O2F4 octahedra, and  an edgeedge with one Mn(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 42-51°. In the fifth Mn site, Mn(5) is bonded to one O(3), one O(5), one F(1), one F(2), one F(3), and one F(5) atom to form MnO2F4 octahedra that share corners with three equivalent Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O3F2 square pyramids,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(1)O2F4 octahedra, and  an edgeedge with one Mn(4)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 41-49°. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(3), one O(4), one F(3), and one F(6) atom to form distorted MnO3F2 square pyramids that share  a cornercorner with one Mg(1)O4F2 octahedra, corners with two equivalent Mn(1)O2F4 octahedra, corners with two equivalent Mn(4)O2F4 octahedra, corners with two equivalent Mn(5)O2F4 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra, and  an edgeedge with one Mn(3)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 47-60°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(3) atom to form distorted edge-sharing OMgMn3 trigonal pyramids. In the second O site, O(2) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom to form distorted edge-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(2), 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(3), and one Mn(6) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(4), and one Mn(5) atom. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the second F site, F(2) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(5), 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(3), and one Mn(4) atom. In the fifth F site, F(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(5) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(6) atom. In the seventh F site, F(7) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(1), and one Mn(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn6O5F7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.426
_cell_length_b   5.885
_cell_length_c   6.061
_cell_angle_alpha   77.488
_cell_angle_beta   69.677
_cell_angle_gamma   73.777
_symmetry_Int_Tables_number   1
_cell_volume   236.386
_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  0.839  0.662  0.160  1.0
  Mn  Mn1  1  0.829  0.679  0.661  1.0
  Mn  Mn2  1  0.664  0.284  0.370  1.0
  Mn  Mn3  1  0.331  0.700  0.636  1.0
  Mn  Mn4  1  0.165  0.297  0.334  1.0
  Mn  Mn5  1  0.493  0.017  0.033  1.0
  Mn  Mn6  1  0.996  0.055  0.974  1.0
  O  O7  1  0.637  0.577  0.500  1.0
  O  O8  1  0.942  0.287  0.199  1.0
  O  O9  1  0.721  0.040  0.152  1.0
  O  O10  1  0.024  0.777  0.822  1.0
  O  O11  1  0.316  0.959  0.367  1.0
  F  F12  1  0.668  0.034  0.673  1.0
  F  F13  1  0.346  0.384  0.970  1.0
  F  F14  1  0.291  0.958  0.885  1.0
  F  F15  1  0.370  0.387  0.454  1.0
  F  F16  1  0.646  0.635  0.017  1.0
  F  F17  1  0.980  0.319  0.688  1.0
  F  F18  1  0.028  0.680  0.314  1.0
[/CIF]
.