The compound described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(5), one O(6), one O(7), one F(3), and one F(5) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(5)O4F2 octahedra,  a cornercorner with one Mn(1)O4F square pyramid,  a cornercorner with one Mn(4)O5 trigonal bipyramid,  an edgeedge with one Mn(2)O3F3 octahedra,  an edgeedge with one Mn(3)O3F3 octahedra, edges with two equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mn(1)O4F square pyramid, and  an edgeedge with one Mn(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 48-50°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(5), one O(6), one O(7), and one F(2) atom to form distorted MnO4F square pyramids that share  a cornercorner with one Mg(1)O4F2 octahedra,  a cornercorner with one Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with three equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  an edgeedge with one Mn(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 39-59°. In the second Mn site, Mn(2) is bonded to one O(1), one O(3), one O(5), one F(2), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with three equivalent Mn(5)O4F2 octahedra, corners with three equivalent Mn(1)O4F square pyramids,  a cornercorner with one Mn(4)O5 trigonal bipyramid,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(3)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. In the third Mn site, Mn(3) is bonded to one O(2), one O(3), one O(4), one F(1), one F(2), and one F(5) atom to form MnO3F3 octahedra that share corners with three equivalent Mn(5)O4F2 octahedra,  a cornercorner with one Mn(1)O4F square pyramid, corners with three equivalent Mn(4)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-59°. In the fourth Mn site, Mn(4) is bonded to one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mg(1)O4F2 octahedra,  a cornercorner with one Mn(2)O3F3 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with three equivalent Mn(3)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  an edgeedge with one Mn(1)O4F square pyramid. The corner-sharing octahedral tilt angles range from 45-58°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(2), one O(4), one O(5), one F(1), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with three equivalent Mn(2)O3F3 octahedra, corners with three equivalent Mn(3)O3F3 octahedra,  an edgeedge with one Mn(1)O4F square pyramid, and  an edgeedge with one Mn(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 46-59°. In the sixth Mn site, Mn(6) is bonded to one O(6), one O(7), one F(1), one F(3), one F(4), and one F(5) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(5)O4F2 octahedra, corners with two equivalent Mn(1)O4F square pyramids, corners with two equivalent Mn(4)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O3F3 octahedra,  an edgeedge with one Mn(3)O3F3 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-50°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the second O site, O(2) is bonded to one Mg(1), one Mn(3), one Mn(4), and one Mn(5) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(5) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom to form a mixture of edge and corner-sharing OMgMn3 trigonal pyramids. In the seventh O site, O(7) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom to form a mixture of edge and corner-sharing OMgMn3 trigonal pyramids. There are five inequivalent F sites. In the first F site, F(1) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the third F site, F(3) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Mn(2), and one Mn(6) atom. In the fourth F site, F(4) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one Mn(6) atom. is represented by the CIF card [CIF]
data_MgMn6O7F5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.341
_cell_length_b   6.016
_cell_length_c   5.792
_cell_angle_alpha   65.565
_cell_angle_beta   64.838
_cell_angle_gamma   62.830
_symmetry_Int_Tables_number   1
_cell_volume   225.142
_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  0.484  0.009  1.0
  Mn  Mn1  1  0.812  0.658  0.638  1.0
  Mn  Mn2  1  0.650  0.324  0.331  1.0
  Mn  Mn3  1  0.352  0.666  0.652  1.0
  Mn  Mn4  1  0.217  0.356  0.360  1.0
  Mn  Mn5  1  0.506  0.996  0.999  1.0
  Mn  Mn6  1  0.997  0.997  0.983  1.0
  O  O7  1  0.638  0.016  0.625  1.0
  O  O8  1  0.305  0.359  0.971  1.0
  O  O9  1  0.387  0.486  0.416  1.0
  O  O10  1  0.366  0.980  0.369  1.0
  O  O11  1  0.706  0.633  0.027  1.0
  O  O12  1  0.028  0.340  0.720  1.0
  O  O13  1  0.988  0.655  0.274  1.0
  F  F14  1  0.295  0.853  0.906  1.0
  F  F15  1  0.646  0.510  0.592  1.0
  F  F16  1  0.936  0.185  0.268  1.0
  F  F17  1  0.705  0.124  0.062  1.0
  F  F18  1  0.042  0.798  0.727  1.0
[/CIF]
.
The compound described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(5), one O(6), one O(7), one F(3), and one F(5) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(5)O4F2 octahedra,  a cornercorner with one Mn(1)O4F square pyramid,  a cornercorner with one Mn(4)O5 trigonal bipyramid,  an edgeedge with one Mn(2)O3F3 octahedra,  an edgeedge with one Mn(3)O3F3 octahedra, edges with two equivalent Mn(6)O2F4 octahedra,  an edgeedge with one Mn(1)O4F square pyramid, and  an edgeedge with one Mn(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 48-50°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(5), one O(6), one O(7), and one F(2) atom to form distorted MnO4F square pyramids that share  a cornercorner with one Mg(1)O4F2 octahedra,  a cornercorner with one Mn(3)O3F3 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with three equivalent Mn(2)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  an edgeedge with one Mn(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 39-59°. In the second Mn site, Mn(2) is bonded to one O(1), one O(3), one O(5), one F(2), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with three equivalent Mn(5)O4F2 octahedra, corners with three equivalent Mn(1)O4F square pyramids,  a cornercorner with one Mn(4)O5 trigonal bipyramid,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(3)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 50-59°. In the third Mn site, Mn(3) is bonded to one O(2), one O(3), one O(4), one F(1), one F(2), and one F(5) atom to form MnO3F3 octahedra that share corners with three equivalent Mn(5)O4F2 octahedra,  a cornercorner with one Mn(1)O4F square pyramid, corners with three equivalent Mn(4)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(6)O2F4 octahedra, and  an edgeedge with one Mn(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-59°. In the fourth Mn site, Mn(4) is bonded to one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Mg(1)O4F2 octahedra,  a cornercorner with one Mn(2)O3F3 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with three equivalent Mn(3)O3F3 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  an edgeedge with one Mn(1)O4F square pyramid. The corner-sharing octahedral tilt angles range from 45-58°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(2), one O(4), one O(5), one F(1), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(6)O2F4 octahedra, corners with three equivalent Mn(2)O3F3 octahedra, corners with three equivalent Mn(3)O3F3 octahedra,  an edgeedge with one Mn(1)O4F square pyramid, and  an edgeedge with one Mn(4)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 46-59°. In the sixth Mn site, Mn(6) is bonded to one O(6), one O(7), one F(1), one F(3), one F(4), and one F(5) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(5)O4F2 octahedra, corners with two equivalent Mn(1)O4F square pyramids, corners with two equivalent Mn(4)O5 trigonal bipyramids,  an edgeedge with one Mn(2)O3F3 octahedra,  an edgeedge with one Mn(3)O3F3 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 46-50°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the second O site, O(2) is bonded to one Mg(1), one Mn(3), one Mn(4), and one Mn(5) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Mn(3), one Mn(4), and one Mn(5) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(5) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom to form a mixture of edge and corner-sharing OMgMn3 trigonal pyramids. In the seventh O site, O(7) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom to form a mixture of edge and corner-sharing OMgMn3 trigonal pyramids. There are five inequivalent F sites. In the first F site, F(1) is bonded in a 3-coordinate geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the third F site, F(3) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Mn(2), and one Mn(6) atom. In the fourth F site, F(4) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(3), and one Mn(6) atom. is represented by the CIF card [CIF]
data_MgMn6O7F5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.341
_cell_length_b   6.016
_cell_length_c   5.792
_cell_angle_alpha   65.565
_cell_angle_beta   64.838
_cell_angle_gamma   62.830
_symmetry_Int_Tables_number   1
_cell_volume   225.142
_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  0.484  0.009  1.0
  Mn  Mn1  1  0.812  0.658  0.638  1.0
  Mn  Mn2  1  0.650  0.324  0.331  1.0
  Mn  Mn3  1  0.352  0.666  0.652  1.0
  Mn  Mn4  1  0.217  0.356  0.360  1.0
  Mn  Mn5  1  0.506  0.996  0.999  1.0
  Mn  Mn6  1  0.997  0.997  0.983  1.0
  O  O7  1  0.638  0.016  0.625  1.0
  O  O8  1  0.305  0.359  0.971  1.0
  O  O9  1  0.387  0.486  0.416  1.0
  O  O10  1  0.366  0.980  0.369  1.0
  O  O11  1  0.706  0.633  0.027  1.0
  O  O12  1  0.028  0.340  0.720  1.0
  O  O13  1  0.988  0.655  0.274  1.0
  F  F14  1  0.295  0.853  0.906  1.0
  F  F15  1  0.646  0.510  0.592  1.0
  F  F16  1  0.936  0.185  0.268  1.0
  F  F17  1  0.705  0.124  0.062  1.0
  F  F18  1  0.042  0.798  0.727  1.0
[/CIF]
.