The crystal structure described by MgMn6(OF2)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(3), one O(4), one F(2), one F(3), one F(5), and one F(7) atom to form MgO2F4 octahedra that share  a cornercorner with one Mn(3)O2F3 square pyramid, edges with two equivalent Mn(5)O2F4 octahedra, edges with two equivalent Mn(6)OF5 octahedra, and  an edgeedge with one Mn(3)O2F3 square pyramid. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted pentagonal planar geometry to one O(2), one O(4), one F(3), one F(5), and one F(8) atom. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one F(4), one F(5), and one F(6) atom. In the third Mn site, Mn(3) is bonded to one O(3), one O(4), one F(1), one F(3), and one F(4) atom to form distorted MnO2F3 square pyramids that share  a cornercorner with one Mg(1)O2F4 octahedra,  a cornercorner with one Mn(6)OF5 octahedra, corners with two equivalent Mn(4)O2F4 octahedra, corners with three equivalent Mn(5)O2F4 octahedra, and  an edgeedge with one Mg(1)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 43-65°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(2), one F(1), one F(4), one F(6), and one F(8) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(3)O2F3 square pyramids,  an edgeedge with one Mn(5)O2F4 octahedra, and  an edgeedge with one Mn(6)OF5 octahedra. In the fifth Mn site, Mn(5) is bonded to one O(3), one O(4), one F(1), one F(2), one F(6), and one F(7) atom to form MnO2F4 octahedra that share corners with three equivalent Mn(3)O2F3 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(6)OF5 octahedra, and edges with two equivalent Mg(1)O2F4 octahedra. In the sixth Mn site, Mn(6) is bonded to one O(1), one F(2), one F(3), one F(5), one F(7), and one F(8) atom to form MnOF5 octahedra that share  a cornercorner with one Mn(3)O2F3 square pyramid,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O2F4 octahedra, and edges with two equivalent Mg(1)O2F4 octahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(4), 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(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(5) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(5) atom to form distorted OMgMn3 trigonal pyramids that share  an edgeedge with one F(5)MgMn3 trigonal pyramid. There are eight inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal non-coplanar 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 non-coplanar 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 see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), 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(3), and one Mn(4) atom. In the fifth F site, F(5) 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  an edgeedge with one O(4)MgMn3 trigonal pyramid. In the sixth F site, F(6) is bonded in a distorted water-like geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the seventh F site, F(7) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(5), and one Mn(6) atom. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(4), and one Mn(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn6(OF2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.295
_cell_length_b   8.107
_cell_length_c   6.002
_cell_angle_alpha   95.784
_cell_angle_beta   100.020
_cell_angle_gamma   83.640
_symmetry_Int_Tables_number   1
_cell_volume   251.283
_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  0.504  0.184  0.180  1.0
  Mn  Mn1  1  0.440  0.966  0.551  1.0
  Mn  Mn2  1  0.633  0.659  0.154  1.0
  Mn  Mn3  1  0.534  0.360  0.763  1.0
  Mn  Mn4  1  0.957  0.664  0.672  1.0
  Mn  Mn5  1  0.008  0.327  0.321  1.0
  Mn  Mn6  1  0.998  0.971  0.999  1.0
  O  O7  1  0.845  0.748  0.948  1.0
  O  O8  1  0.659  0.751  0.485  1.0
  O  O9  1  0.679  0.392  0.131  1.0
  O  O10  1  0.345  0.232  0.471  1.0
  F  F11  1  0.857  0.399  0.627  1.0
  F  F12  1  0.861  0.095  0.304  1.0
  F  F13  1  0.618  0.099  0.865  1.0
  F  F14  1  0.312  0.582  0.846  1.0
  F  F15  1  0.384  0.944  0.174  1.0
  F  F16  1  0.099  0.565  0.386  1.0
  F  F17  1  0.147  0.228  0.021  1.0
  F  F18  1  0.133  0.908  0.687  1.0
[/CIF]
.
The crystal structure described by MgMn6(OF2)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(3), one O(4), one F(2), one F(3), one F(5), and one F(7) atom to form MgO2F4 octahedra that share  a cornercorner with one Mn(3)O2F3 square pyramid, edges with two equivalent Mn(5)O2F4 octahedra, edges with two equivalent Mn(6)OF5 octahedra, and  an edgeedge with one Mn(3)O2F3 square pyramid. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted pentagonal planar geometry to one O(2), one O(4), one F(3), one F(5), and one F(8) atom. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one F(4), one F(5), and one F(6) atom. In the third Mn site, Mn(3) is bonded to one O(3), one O(4), one F(1), one F(3), and one F(4) atom to form distorted MnO2F3 square pyramids that share  a cornercorner with one Mg(1)O2F4 octahedra,  a cornercorner with one Mn(6)OF5 octahedra, corners with two equivalent Mn(4)O2F4 octahedra, corners with three equivalent Mn(5)O2F4 octahedra, and  an edgeedge with one Mg(1)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 43-65°. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(2), one F(1), one F(4), one F(6), and one F(8) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(3)O2F3 square pyramids,  an edgeedge with one Mn(5)O2F4 octahedra, and  an edgeedge with one Mn(6)OF5 octahedra. In the fifth Mn site, Mn(5) is bonded to one O(3), one O(4), one F(1), one F(2), one F(6), and one F(7) atom to form MnO2F4 octahedra that share corners with three equivalent Mn(3)O2F3 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(6)OF5 octahedra, and edges with two equivalent Mg(1)O2F4 octahedra. In the sixth Mn site, Mn(6) is bonded to one O(1), one F(2), one F(3), one F(5), one F(7), and one F(8) atom to form MnOF5 octahedra that share  a cornercorner with one Mn(3)O2F3 square pyramid,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O2F4 octahedra, and edges with two equivalent Mg(1)O2F4 octahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(4), 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(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(5) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(5) atom to form distorted OMgMn3 trigonal pyramids that share  an edgeedge with one F(5)MgMn3 trigonal pyramid. There are eight inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal non-coplanar 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 non-coplanar 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 see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), 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(3), and one Mn(4) atom. In the fifth F site, F(5) 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  an edgeedge with one O(4)MgMn3 trigonal pyramid. In the sixth F site, F(6) is bonded in a distorted water-like geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the seventh F site, F(7) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(5), and one Mn(6) atom. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Mn(1), one Mn(4), and one Mn(6) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn6(OF2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.295
_cell_length_b   8.107
_cell_length_c   6.002
_cell_angle_alpha   95.784
_cell_angle_beta   100.020
_cell_angle_gamma   83.640
_symmetry_Int_Tables_number   1
_cell_volume   251.283
_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  0.504  0.184  0.180  1.0
  Mn  Mn1  1  0.440  0.966  0.551  1.0
  Mn  Mn2  1  0.633  0.659  0.154  1.0
  Mn  Mn3  1  0.534  0.360  0.763  1.0
  Mn  Mn4  1  0.957  0.664  0.672  1.0
  Mn  Mn5  1  0.008  0.327  0.321  1.0
  Mn  Mn6  1  0.998  0.971  0.999  1.0
  O  O7  1  0.845  0.748  0.948  1.0
  O  O8  1  0.659  0.751  0.485  1.0
  O  O9  1  0.679  0.392  0.131  1.0
  O  O10  1  0.345  0.232  0.471  1.0
  F  F11  1  0.857  0.399  0.627  1.0
  F  F12  1  0.861  0.095  0.304  1.0
  F  F13  1  0.618  0.099  0.865  1.0
  F  F14  1  0.312  0.582  0.846  1.0
  F  F15  1  0.384  0.944  0.174  1.0
  F  F16  1  0.099  0.565  0.386  1.0
  F  F17  1  0.147  0.228  0.021  1.0
  F  F18  1  0.133  0.908  0.687  1.0
[/CIF]
.