The material structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(4), one F(2), one F(3), and one F(5) atom to form MgO3F3 octahedra that share  a cornercorner with one Mn(6)O3F3 octahedra, corners with two equivalent Mn(5)O3F3 octahedra,  a cornercorner with one Mn(4)O3F3 pentagonal pyramid, edges with two equivalent Mn(1)O4F2 octahedra, edges with two equivalent Mn(2)O4F2 octahedra,  a faceface with one Mn(6)O3F3 octahedra, and  a faceface with one Mn(4)O3F3 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 43-50°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(3), one O(4), one O(7), one F(2), and one F(5) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(5)O3F3 octahedra, corners with four equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(4)O3F3 pentagonal pyramids,  an edgeedge with one Mn(2)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 42-63°. In the second Mn site, Mn(2) is bonded to one O(1), one O(4), one O(5), one O(6), one F(2), and one F(3) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(5)O3F3 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(4)O3F3 pentagonal pyramids,  an edgeedge with one Mn(1)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 37-63°. In the third Mn site, Mn(3) is bonded to one O(3), one O(5), one O(6), one O(7), one F(1), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(5)O3F3 octahedra, corners with two equivalent Mn(4)O3F3 pentagonal pyramids,  an edgeedge with one Mn(1)O4F2 octahedra, and  an edgeedge with one Mn(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-51°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(4), one O(6), one F(1), one F(3), and one F(5) atom to form distorted MnO3F3 pentagonal pyramids that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra,  an edgeedge with one Mn(6)O3F3 octahedra, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 36-69°. In the fifth Mn site, Mn(5) is bonded to one O(2), one O(5), one O(7), one F(1), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with four equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(4)O3F3 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 43-63°. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(2), one O(3), one F(2), one F(4), and one F(5) atom to form distorted MnO3F3 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra,  an edgeedge with one Mn(4)O3F3 pentagonal pyramid, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 37-54°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), one Mn(5), and one Mn(6) atom to form distorted edge-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom to form a mixture of edge and corner-sharing OMgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(5) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. There are five inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the second F site, F(2) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(6) atom. In the third F site, F(3) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(5) atom. In the fourth F site, F(4) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), 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   5.124
_cell_length_b   7.837
_cell_length_c   5.757
_cell_angle_alpha   96.016
_cell_angle_beta   95.430
_cell_angle_gamma   85.766
_symmetry_Int_Tables_number   1
_cell_volume   228.410
_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  0.017  0.833  0.350  1.0
  Mn  Mn1  1  0.532  0.027  0.486  1.0
  Mn  Mn2  1  0.546  0.650  0.169  1.0
  Mn  Mn3  1  0.484  0.335  0.830  1.0
  Mn  Mn4  1  0.976  0.647  0.732  1.0
  Mn  Mn5  1  0.994  0.317  0.329  1.0
  Mn  Mn6  1  0.967  0.011  0.968  1.0
  O  O7  1  0.853  0.784  0.009  1.0
  O  O8  1  0.857  0.077  0.279  1.0
  O  O9  1  0.671  0.113  0.782  1.0
  O  O10  1  0.699  0.775  0.487  1.0
  O  O11  1  0.706  0.416  0.124  1.0
  O  O12  1  0.307  0.562  0.893  1.0
  O  O13  1  0.315  0.244  0.517  1.0
  F  F14  1  0.809  0.423  0.624  1.0
  F  F15  1  0.330  0.898  0.204  1.0
  F  F16  1  0.154  0.590  0.398  1.0
  F  F17  1  0.178  0.217  0.013  1.0
  F  F18  1  0.162  0.908  0.683  1.0
[/CIF]
.
The material structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(4), one F(2), one F(3), and one F(5) atom to form MgO3F3 octahedra that share  a cornercorner with one Mn(6)O3F3 octahedra, corners with two equivalent Mn(5)O3F3 octahedra,  a cornercorner with one Mn(4)O3F3 pentagonal pyramid, edges with two equivalent Mn(1)O4F2 octahedra, edges with two equivalent Mn(2)O4F2 octahedra,  a faceface with one Mn(6)O3F3 octahedra, and  a faceface with one Mn(4)O3F3 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 43-50°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(3), one O(4), one O(7), one F(2), and one F(5) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(5)O3F3 octahedra, corners with four equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(4)O3F3 pentagonal pyramids,  an edgeedge with one Mn(2)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 42-63°. In the second Mn site, Mn(2) is bonded to one O(1), one O(4), one O(5), one O(6), one F(2), and one F(3) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(5)O3F3 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(4)O3F3 pentagonal pyramids,  an edgeedge with one Mn(1)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 37-63°. In the third Mn site, Mn(3) is bonded to one O(3), one O(5), one O(6), one O(7), one F(1), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(5)O3F3 octahedra, corners with two equivalent Mn(4)O3F3 pentagonal pyramids,  an edgeedge with one Mn(1)O4F2 octahedra, and  an edgeedge with one Mn(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-51°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(4), one O(6), one F(1), one F(3), and one F(5) atom to form distorted MnO3F3 pentagonal pyramids that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra,  an edgeedge with one Mn(6)O3F3 octahedra, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 36-69°. In the fifth Mn site, Mn(5) is bonded to one O(2), one O(5), one O(7), one F(1), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with four equivalent Mn(3)O4F2 octahedra,  an edgeedge with one Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(4)O3F3 pentagonal pyramid. The corner-sharing octahedral tilt angles range from 43-63°. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(2), one O(3), one F(2), one F(4), and one F(5) atom to form distorted MnO3F3 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(1)O4F2 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra,  an edgeedge with one Mn(4)O3F3 pentagonal pyramid, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 37-54°. There are seven inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), one Mn(5), and one Mn(6) atom to form distorted edge-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom to form a mixture of edge and corner-sharing OMgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(5) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. There are five inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the second F site, F(2) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(6) atom. In the third F site, F(3) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(5) atom. In the fourth F site, F(4) is bonded in a distorted T-shaped geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), 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   5.124
_cell_length_b   7.837
_cell_length_c   5.757
_cell_angle_alpha   96.016
_cell_angle_beta   95.430
_cell_angle_gamma   85.766
_symmetry_Int_Tables_number   1
_cell_volume   228.410
_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  0.017  0.833  0.350  1.0
  Mn  Mn1  1  0.532  0.027  0.486  1.0
  Mn  Mn2  1  0.546  0.650  0.169  1.0
  Mn  Mn3  1  0.484  0.335  0.830  1.0
  Mn  Mn4  1  0.976  0.647  0.732  1.0
  Mn  Mn5  1  0.994  0.317  0.329  1.0
  Mn  Mn6  1  0.967  0.011  0.968  1.0
  O  O7  1  0.853  0.784  0.009  1.0
  O  O8  1  0.857  0.077  0.279  1.0
  O  O9  1  0.671  0.113  0.782  1.0
  O  O10  1  0.699  0.775  0.487  1.0
  O  O11  1  0.706  0.416  0.124  1.0
  O  O12  1  0.307  0.562  0.893  1.0
  O  O13  1  0.315  0.244  0.517  1.0
  F  F14  1  0.809  0.423  0.624  1.0
  F  F15  1  0.330  0.898  0.204  1.0
  F  F16  1  0.154  0.590  0.398  1.0
  F  F17  1  0.178  0.217  0.013  1.0
  F  F18  1  0.162  0.908  0.683  1.0
[/CIF]
.