The material structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) 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 MgO3F3 octahedra that share  a cornercorner with one Mn(2)O4F2 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(3)O4F trigonal bipyramids,  an edgeedge with one Mn(1)O4F2 octahedra, edges with two equivalent Mn(5)O3F3 octahedra, and  a faceface with one Mn(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(3), one O(6), one O(7), one F(3), and one F(5) atom to form MnO4F2 octahedra that share corners with three equivalent Mn(6)O3F3 octahedra, corners with three equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mg(1)O3F3 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 41-58°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(4), one O(6), one F(3), and one F(4) atom to form MnO4F2 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with three equivalent Mn(5)O3F3 octahedra, corners with three equivalent Mn(1)O4F2 octahedra,  a cornercorner with one Mn(3)O4F trigonal bipyramid,  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 41-58°. In the third Mn site, Mn(3) is bonded to one O(3), one O(4), one O(5), one O(7), and one F(1) atom to form distorted MnO4F trigonal bipyramids that share  a cornercorner with one Mn(2)O4F2 octahedra, corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(5)O3F3 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-75°. In the fourth Mn site, Mn(4) is bonded in a 5-coordinate geometry to one O(2), one O(5), one O(7), one F(1), and one F(5) atom. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(5), one O(6), one F(1), one F(2), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with three equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(3)O4F trigonal bipyramids,  an edgeedge with one Mn(1)O4F2 octahedra, and edges with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 41-54°. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(3), one O(7), one F(2), 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(5)O3F3 octahedra, corners with three equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F trigonal bipyramids, and  an edgeedge with one Mn(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. There are seven 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(5) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(7)Mn4 tetrahedra and corners with two equivalent O(5)MgMn3 tetrahedra. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(6) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(2), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(3), one Mn(4), and one Mn(5) atom to form distorted OMgMn3 tetrahedra that share corners with two equivalent O(7)Mn4 tetrahedra and corners with two equivalent O(1)MgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the seventh O site, O(7) is bonded to one Mn(1), one Mn(3), one Mn(4), and one Mn(6) atom to form corner-sharing OMn4 tetrahedra. 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 3-coordinate geometry to one Mg(1), one Mn(5), and one Mn(6) 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(2) atom. 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(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to 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   8.055
_cell_length_b   5.816
_cell_length_c   5.795
_cell_angle_alpha   67.372
_cell_angle_beta   67.863
_cell_angle_gamma   68.052
_symmetry_Int_Tables_number   1
_cell_volume   223.639
_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  0.499  0.976  0.506  1.0
  Mn  Mn1  1  0.855  0.686  0.702  1.0
  Mn  Mn2  1  0.683  0.361  0.335  1.0
  Mn  Mn3  1  0.248  0.633  0.569  1.0
  Mn  Mn4  1  0.135  0.329  0.294  1.0
  Mn  Mn5  1  0.506  0.999  0.988  1.0
  Mn  Mn6  1  0.007  0.976  0.038  1.0
  O  O7  1  0.670  0.048  0.638  1.0
  O  O8  1  0.950  0.228  0.216  1.0
  O  O9  1  0.034  0.755  0.825  1.0
  O  O10  1  0.419  0.393  0.400  1.0
  O  O11  1  0.337  0.950  0.337  1.0
  O  O12  1  0.671  0.652  0.027  1.0
  O  O13  1  0.045  0.693  0.363  1.0
  F  F14  1  0.341  0.364  0.912  1.0
  F  F15  1  0.316  0.925  0.853  1.0
  F  F16  1  0.669  0.613  0.550  1.0
  F  F17  1  0.692  0.068  0.144  1.0
  F  F18  1  0.994  0.281  0.720  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(4), one O(5), one F(2), one F(3), and one F(4) atom to form MgO3F3 octahedra that share  a cornercorner with one Mn(2)O4F2 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with two equivalent Mn(3)O4F trigonal bipyramids,  an edgeedge with one Mn(1)O4F2 octahedra, edges with two equivalent Mn(5)O3F3 octahedra, and  a faceface with one Mn(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(3), one O(6), one O(7), one F(3), and one F(5) atom to form MnO4F2 octahedra that share corners with three equivalent Mn(6)O3F3 octahedra, corners with three equivalent Mn(2)O4F2 octahedra,  an edgeedge with one Mg(1)O3F3 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 41-58°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(4), one O(6), one F(3), and one F(4) atom to form MnO4F2 octahedra that share  a cornercorner with one Mg(1)O3F3 octahedra, corners with three equivalent Mn(5)O3F3 octahedra, corners with three equivalent Mn(1)O4F2 octahedra,  a cornercorner with one Mn(3)O4F trigonal bipyramid,  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 41-58°. In the third Mn site, Mn(3) is bonded to one O(3), one O(4), one O(5), one O(7), and one F(1) atom to form distorted MnO4F trigonal bipyramids that share  a cornercorner with one Mn(2)O4F2 octahedra, corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(5)O3F3 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, and  an edgeedge with one Mn(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-75°. In the fourth Mn site, Mn(4) is bonded in a 5-coordinate geometry to one O(2), one O(5), one O(7), one F(1), and one F(5) atom. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(5), one O(6), one F(1), one F(2), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(6)O3F3 octahedra, corners with three equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(3)O4F trigonal bipyramids,  an edgeedge with one Mn(1)O4F2 octahedra, and edges with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 41-54°. In the sixth Mn site, Mn(6) is bonded to one O(2), one O(3), one O(7), one F(2), 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(5)O3F3 octahedra, corners with three equivalent Mn(1)O4F2 octahedra, corners with two equivalent Mn(3)O4F trigonal bipyramids, and  an edgeedge with one Mn(2)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 39-58°. There are seven 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(5) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(7)Mn4 tetrahedra and corners with two equivalent O(5)MgMn3 tetrahedra. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(6) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(2), and one Mn(3) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(3), one Mn(4), and one Mn(5) atom to form distorted OMgMn3 tetrahedra that share corners with two equivalent O(7)Mn4 tetrahedra and corners with two equivalent O(1)MgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the seventh O site, O(7) is bonded to one Mn(1), one Mn(3), one Mn(4), and one Mn(6) atom to form corner-sharing OMn4 tetrahedra. 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 3-coordinate geometry to one Mg(1), one Mn(5), and one Mn(6) 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(2) atom. 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(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to 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   8.055
_cell_length_b   5.816
_cell_length_c   5.795
_cell_angle_alpha   67.372
_cell_angle_beta   67.863
_cell_angle_gamma   68.052
_symmetry_Int_Tables_number   1
_cell_volume   223.639
_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  0.499  0.976  0.506  1.0
  Mn  Mn1  1  0.855  0.686  0.702  1.0
  Mn  Mn2  1  0.683  0.361  0.335  1.0
  Mn  Mn3  1  0.248  0.633  0.569  1.0
  Mn  Mn4  1  0.135  0.329  0.294  1.0
  Mn  Mn5  1  0.506  0.999  0.988  1.0
  Mn  Mn6  1  0.007  0.976  0.038  1.0
  O  O7  1  0.670  0.048  0.638  1.0
  O  O8  1  0.950  0.228  0.216  1.0
  O  O9  1  0.034  0.755  0.825  1.0
  O  O10  1  0.419  0.393  0.400  1.0
  O  O11  1  0.337  0.950  0.337  1.0
  O  O12  1  0.671  0.652  0.027  1.0
  O  O13  1  0.045  0.693  0.363  1.0
  F  F14  1  0.341  0.364  0.912  1.0
  F  F15  1  0.316  0.925  0.853  1.0
  F  F16  1  0.669  0.613  0.550  1.0
  F  F17  1  0.692  0.068  0.144  1.0
  F  F18  1  0.994  0.281  0.720  1.0
[/CIF]
.