The compound described by MgMn6(O2F)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(8), one F(3), and one F(4) atom to form MgO4F2 octahedra that share  a cornercorner with one Mn(4)O4F2 octahedra,  a cornercorner with one Mn(6)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, edges with two equivalent Mn(1)O4F2 octahedra, edges with two equivalent Mn(2)O4F2 octahedra,  a faceface with one Mn(4)O4F2 octahedra, and  a faceface with one Mn(6)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(3), one O(6), one O(8), one F(2), and one F(3) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(4)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(6)O4F2 octahedra,  an edgeedge with one Mn(2)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 40-59°. In the second Mn site, Mn(2) is bonded to one O(1), one O(3), one O(4), one O(5), one F(3), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(5)O4F2 octahedra, corners with two equivalent Mn(6)O4F2 octahedra, corners with four equivalent Mn(4)O4F2 octahedra,  an edgeedge with one Mn(1)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 37-66°. In the third Mn site, Mn(3) is bonded to one O(4), one O(5), one O(6), one O(7), one F(1), and one F(2) atom to form a mixture of corner and edge-sharing MnO4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-58°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(3), one O(5), one O(8), one F(1), and one F(4) atom to form distorted MnO4F2 octahedra that share  a cornercorner with one Mg(1)O4F2 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)O4F2 octahedra,  an edgeedge with one Mn(6)O4F2 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-66°. In the fifth Mn site, Mn(5) is bonded to one O(2), one O(4), one O(6), one O(7), one F(1), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 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(4)O4F2 octahedra, and  an edgeedge with one Mn(6)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-62°. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(2), one O(7), one O(8), one F(2), and one F(3) atom to form distorted MnO4F2 octahedra that share  a cornercorner with one Mg(1)O4F2 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(4)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 37-59°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) 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(5), 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 distorted 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 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 trigonal planar geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom. There are four inequivalent F sites. In the first F site, F(1) is bonded in a 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 distorted trigonal planar geometry to one Mn(1), one Mn(3), 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 distorted see-saw-like geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(5) atom. is represented by the CIF file [CIF]
data_MgMn6(O2F)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.995
_cell_length_b   7.843
_cell_length_c   5.622
_cell_angle_alpha   96.073
_cell_angle_beta   89.590
_cell_angle_gamma   88.681
_symmetry_Int_Tables_number   1
_cell_volume   218.915
_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  0.003  0.837  0.335  1.0
  Mn  Mn1  1  0.496  0.005  0.490  1.0
  Mn  Mn2  1  0.535  0.646  0.159  1.0
  Mn  Mn3  1  0.464  0.333  0.841  1.0
  Mn  Mn4  1  0.010  0.653  0.717  1.0
  Mn  Mn5  1  0.992  0.308  0.321  1.0
  Mn  Mn6  1  0.001  0.012  0.952  1.0
  O  O7  1  0.857  0.778  0.990  1.0
  O  O8  1  0.833  0.068  0.287  1.0
  O  O9  1  0.673  0.759  0.468  1.0
  O  O10  1  0.679  0.420  0.128  1.0
  O  O11  1  0.327  0.563  0.875  1.0
  O  O12  1  0.322  0.236  0.530  1.0
  O  O13  1  0.171  0.228  0.028  1.0
  O  O14  1  0.176  0.909  0.655  1.0
  F  F15  1  0.823  0.415  0.629  1.0
  F  F16  1  0.660  0.110  0.812  1.0
  F  F17  1  0.336  0.878  0.160  1.0
  F  F18  1  0.155  0.589  0.374  1.0
[/CIF]
.
The compound described by MgMn6(O2F)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(8), one F(3), and one F(4) atom to form MgO4F2 octahedra that share  a cornercorner with one Mn(4)O4F2 octahedra,  a cornercorner with one Mn(6)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, edges with two equivalent Mn(1)O4F2 octahedra, edges with two equivalent Mn(2)O4F2 octahedra,  a faceface with one Mn(4)O4F2 octahedra, and  a faceface with one Mn(6)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(3), one O(6), one O(8), one F(2), and one F(3) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(4)O4F2 octahedra, corners with two equivalent Mn(5)O4F2 octahedra, corners with four equivalent Mn(6)O4F2 octahedra,  an edgeedge with one Mn(2)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 40-59°. In the second Mn site, Mn(2) is bonded to one O(1), one O(3), one O(4), one O(5), one F(3), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(5)O4F2 octahedra, corners with two equivalent Mn(6)O4F2 octahedra, corners with four equivalent Mn(4)O4F2 octahedra,  an edgeedge with one Mn(1)O4F2 octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 37-66°. In the third Mn site, Mn(3) is bonded to one O(4), one O(5), one O(6), one O(7), one F(1), and one F(2) atom to form a mixture of corner and edge-sharing MnO4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-58°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(3), one O(5), one O(8), one F(1), and one F(4) atom to form distorted MnO4F2 octahedra that share  a cornercorner with one Mg(1)O4F2 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)O4F2 octahedra,  an edgeedge with one Mn(6)O4F2 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-66°. In the fifth Mn site, Mn(5) is bonded to one O(2), one O(4), one O(6), one O(7), one F(1), and one F(4) atom to form MnO4F2 octahedra that share corners with two equivalent Mg(1)O4F2 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(4)O4F2 octahedra, and  an edgeedge with one Mn(6)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-62°. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(2), one O(7), one O(8), one F(2), and one F(3) atom to form distorted MnO4F2 octahedra that share  a cornercorner with one Mg(1)O4F2 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(4)O4F2 octahedra,  an edgeedge with one Mn(5)O4F2 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 37-59°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) 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(5), 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 distorted 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 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 trigonal planar geometry to one Mn(3), one Mn(5), and one Mn(6) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(4), and one Mn(6) atom. There are four inequivalent F sites. In the first F site, F(1) is bonded in a 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 distorted trigonal planar geometry to one Mn(1), one Mn(3), 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 distorted see-saw-like geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(5) atom. is represented by the CIF file [CIF]
data_MgMn6(O2F)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.995
_cell_length_b   7.843
_cell_length_c   5.622
_cell_angle_alpha   96.073
_cell_angle_beta   89.590
_cell_angle_gamma   88.681
_symmetry_Int_Tables_number   1
_cell_volume   218.915
_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  0.003  0.837  0.335  1.0
  Mn  Mn1  1  0.496  0.005  0.490  1.0
  Mn  Mn2  1  0.535  0.646  0.159  1.0
  Mn  Mn3  1  0.464  0.333  0.841  1.0
  Mn  Mn4  1  0.010  0.653  0.717  1.0
  Mn  Mn5  1  0.992  0.308  0.321  1.0
  Mn  Mn6  1  0.001  0.012  0.952  1.0
  O  O7  1  0.857  0.778  0.990  1.0
  O  O8  1  0.833  0.068  0.287  1.0
  O  O9  1  0.673  0.759  0.468  1.0
  O  O10  1  0.679  0.420  0.128  1.0
  O  O11  1  0.327  0.563  0.875  1.0
  O  O12  1  0.322  0.236  0.530  1.0
  O  O13  1  0.171  0.228  0.028  1.0
  O  O14  1  0.176  0.909  0.655  1.0
  F  F15  1  0.823  0.415  0.629  1.0
  F  F16  1  0.660  0.110  0.812  1.0
  F  F17  1  0.336  0.878  0.160  1.0
  F  F18  1  0.155  0.589  0.374  1.0
[/CIF]
.