The structure described by MgMn4O7F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom to form MgO5F octahedra that share edges with two equivalent Mn(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one F(1) atom to form MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one F(1) atom to form distorted MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(1)O5F octahedra. In the third Mn site, Mn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(3), one O(4), one O(5), one O(6), and one O(7) atom. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Mn(1) and one Mn(2) atom. In the second O site, O(2) 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 third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(3) atom. F(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom. is represented by the CIF file [CIF]
data_MgMn4O7F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.094
_cell_length_b   5.973
_cell_length_c   4.978
_cell_angle_alpha   94.917
_cell_angle_beta   96.380
_cell_angle_gamma   79.892
_symmetry_Int_Tables_number   1
_cell_volume   147.880
_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  0.009  0.599  0.222  1.0
  Mn  Mn1  1  0.997  0.873  0.743  1.0
  Mn  Mn2  1  0.000  0.150  0.281  1.0
  Mn  Mn3  1  0.512  0.367  0.743  1.0
  Mn  Mn4  1  0.496  0.664  0.262  1.0
  O  O5  1  0.185  0.071  0.970  1.0
  O  O6  1  0.196  0.861  0.431  1.0
  O  O7  1  0.283  0.377  0.419  1.0
  O  O8  1  0.255  0.612  0.927  1.0
  O  O9  1  0.739  0.400  0.087  1.0
  O  O10  1  0.774  0.657  0.545  1.0
  O  O11  1  0.775  0.132  0.574  1.0
  F  F12  1  0.767  0.868  0.046  1.0
[/CIF]
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The structure described by MgMn4O7F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom to form MgO5F octahedra that share edges with two equivalent Mn(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one F(1) atom to form MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one F(1) atom to form distorted MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(1)O5F octahedra. In the third Mn site, Mn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(3), one O(4), one O(5), one O(6), and one O(7) atom. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Mn(1) and one Mn(2) atom. In the second O site, O(2) 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 third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(3) atom. F(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom. is represented by the CIF file [CIF]
data_MgMn4O7F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.094
_cell_length_b   5.973
_cell_length_c   4.978
_cell_angle_alpha   94.917
_cell_angle_beta   96.380
_cell_angle_gamma   79.892
_symmetry_Int_Tables_number   1
_cell_volume   147.880
_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  0.009  0.599  0.222  1.0
  Mn  Mn1  1  0.997  0.873  0.743  1.0
  Mn  Mn2  1  0.000  0.150  0.281  1.0
  Mn  Mn3  1  0.512  0.367  0.743  1.0
  Mn  Mn4  1  0.496  0.664  0.262  1.0
  O  O5  1  0.185  0.071  0.970  1.0
  O  O6  1  0.196  0.861  0.431  1.0
  O  O7  1  0.283  0.377  0.419  1.0
  O  O8  1  0.255  0.612  0.927  1.0
  O  O9  1  0.739  0.400  0.087  1.0
  O  O10  1  0.774  0.657  0.545  1.0
  O  O11  1  0.775  0.132  0.574  1.0
  F  F12  1  0.767  0.868  0.046  1.0
[/CIF]
.