The crystal structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(7), one F(2), one F(3), and one F(4) atom to form distorted MgO3F3 octahedra that share  a cornercorner with one Mn(4)O3F3 octahedra, corners with two equivalent Mn(5)O3F3 octahedra, edges with two equivalent Mn(2)O3F3 octahedra, and  a faceface with one Mn(4)O3F3 octahedra. 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 in a 5-coordinate geometry to one O(2), one O(3), one O(6), one O(7), and one F(3) atom. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), one O(5), one F(2), one F(3), and one F(4) atom to form distorted MnO3F3 octahedra that share corners with two equivalent Mn(5)O3F3 octahedra, corners with four equivalent Mn(4)O3F3 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 45-59°. In the third Mn site, Mn(3) is bonded to one O(2), one O(4), one O(5), one O(6), one F(1), and one F(5) atom to form a mixture of corner and edge-sharing MnO4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(5), one O(7), one F(1), one F(2), and one F(4) atom to form distorted MnO3F3 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 45-59°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(4), one O(6), one F(1), one F(4), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(2)O3F3 octahedra, corners with four equivalent Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. In the sixth Mn site, Mn(6) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(7), one F(2), one F(3), and one F(5) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Mn(5), and one Mn(6) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the third O site, O(3) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one F(3)MgMn3 trigonal pyramid and  an edgeedge with one F(3)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(5) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) 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(2), one Mn(4), and one Mn(6) atom. In the third F site, F(3) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(6) atom to form distorted FMgMn3 trigonal pyramids that share  a cornercorner with one O(3)MgMn3 trigonal pyramid and  an edgeedge with one O(3)MgMn3 trigonal pyramid. In the fourth F site, F(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(5) atom. In the fifth F site, F(5) is bonded in a 3-coordinate 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   5.326
_cell_length_b   7.791
_cell_length_c   5.735
_cell_angle_alpha   96.786
_cell_angle_beta   97.697
_cell_angle_gamma   82.998
_symmetry_Int_Tables_number   1
_cell_volume   232.816
_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  0.949  0.864  0.334  1.0
  Mn  Mn1  1  0.448  0.989  0.562  1.0
  Mn  Mn2  1  0.504  0.636  0.184  1.0
  Mn  Mn3  1  0.514  0.331  0.828  1.0
  Mn  Mn4  1  0.990  0.653  0.717  1.0
  Mn  Mn5  1  0.003  0.321  0.333  1.0
  Mn  Mn6  1  0.021  0.035  0.927  1.0
  O  O7  1  0.892  0.101  0.222  1.0
  O  O8  1  0.716  0.110  0.744  1.0
  O  O9  1  0.670  0.773  0.472  1.0
  O  O10  1  0.725  0.427  0.119  1.0
  O  O11  1  0.317  0.551  0.893  1.0
  O  O12  1  0.292  0.227  0.549  1.0
  O  O13  1  0.153  0.892  0.659  1.0
  F  F14  1  0.806  0.433  0.625  1.0
  F  F15  1  0.807  0.778  0.008  1.0
  F  F16  1  0.276  0.865  0.178  1.0
  F  F17  1  0.146  0.565  0.373  1.0
  F  F18  1  0.271  0.209  0.034  1.0
[/CIF]
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The crystal structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(3), one O(7), one F(2), one F(3), and one F(4) atom to form distorted MgO3F3 octahedra that share  a cornercorner with one Mn(4)O3F3 octahedra, corners with two equivalent Mn(5)O3F3 octahedra, edges with two equivalent Mn(2)O3F3 octahedra, and  a faceface with one Mn(4)O3F3 octahedra. 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 in a 5-coordinate geometry to one O(2), one O(3), one O(6), one O(7), and one F(3) atom. In the second Mn site, Mn(2) is bonded to one O(3), one O(4), one O(5), one F(2), one F(3), and one F(4) atom to form distorted MnO3F3 octahedra that share corners with two equivalent Mn(5)O3F3 octahedra, corners with four equivalent Mn(4)O3F3 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 45-59°. In the third Mn site, Mn(3) is bonded to one O(2), one O(4), one O(5), one O(6), one F(1), and one F(5) atom to form a mixture of corner and edge-sharing MnO4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(5), one O(7), one F(1), one F(2), and one F(4) atom to form distorted MnO3F3 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with four equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra, and  a faceface with one Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 45-59°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(4), one O(6), one F(1), one F(4), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(2)O3F3 octahedra, corners with four equivalent Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. In the sixth Mn site, Mn(6) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(7), one F(2), one F(3), and one F(5) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Mn(5), and one Mn(6) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the third O site, O(3) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one F(3)MgMn3 trigonal pyramid and  an edgeedge with one F(3)MgMn3 trigonal pyramid. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(5) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) 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(2), one Mn(4), and one Mn(6) atom. In the third F site, F(3) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(6) atom to form distorted FMgMn3 trigonal pyramids that share  a cornercorner with one O(3)MgMn3 trigonal pyramid and  an edgeedge with one O(3)MgMn3 trigonal pyramid. In the fourth F site, F(4) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(5) atom. In the fifth F site, F(5) is bonded in a 3-coordinate 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   5.326
_cell_length_b   7.791
_cell_length_c   5.735
_cell_angle_alpha   96.786
_cell_angle_beta   97.697
_cell_angle_gamma   82.998
_symmetry_Int_Tables_number   1
_cell_volume   232.816
_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  0.949  0.864  0.334  1.0
  Mn  Mn1  1  0.448  0.989  0.562  1.0
  Mn  Mn2  1  0.504  0.636  0.184  1.0
  Mn  Mn3  1  0.514  0.331  0.828  1.0
  Mn  Mn4  1  0.990  0.653  0.717  1.0
  Mn  Mn5  1  0.003  0.321  0.333  1.0
  Mn  Mn6  1  0.021  0.035  0.927  1.0
  O  O7  1  0.892  0.101  0.222  1.0
  O  O8  1  0.716  0.110  0.744  1.0
  O  O9  1  0.670  0.773  0.472  1.0
  O  O10  1  0.725  0.427  0.119  1.0
  O  O11  1  0.317  0.551  0.893  1.0
  O  O12  1  0.292  0.227  0.549  1.0
  O  O13  1  0.153  0.892  0.659  1.0
  F  F14  1  0.806  0.433  0.625  1.0
  F  F15  1  0.807  0.778  0.008  1.0
  F  F16  1  0.276  0.865  0.178  1.0
  F  F17  1  0.146  0.565  0.373  1.0
  F  F18  1  0.271  0.209  0.034  1.0
[/CIF]
.