The structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(7), one F(2), one F(4), and one F(5) atom to form MgO3F3 octahedra that share corners with two equivalent Mn(4)O2F4 octahedra, corners with two equivalent Mn(5)O3F3 octahedra,  a cornercorner with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(3)O4F2 octahedra,  an edgeedge with one Mn(1)O5 square pyramid, and faces with two equivalent Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 44-47°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(6), and one O(7) atom to form distorted MnO5 square pyramids that share  a cornercorner with one Mg(1)O3F3 octahedra,  a cornercorner with one Mn(4)O2F4 octahedra, corners with two equivalent Mn(5)O3F3 octahedra, corners with three equivalent Mn(6)O3F3 octahedra,  an edgeedge with one Mg(1)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 40-78°. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(7), one F(2), and one F(3) atom. In the third Mn site, Mn(3) is bonded to one O(2), one O(4), one O(5), one O(6), one F(1), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(4)O2F4 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(5)O3F3 octahedra,  an edgeedge with one Mg(1)O3F3 octahedra, and  an edgeedge with one Mn(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 35-54°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(5), one F(1), one F(2), one F(3), and one F(5) atom to form MnO2F4 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  a cornercorner with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(5)O3F3 octahedra, and  an edgeedge with one Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 45-54°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(4), one O(6), one F(1), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with four equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(1)O5 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra, and  an edgeedge with one Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 43-51°. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(2), one O(7), one F(2), one F(4), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with three equivalent Mn(1)O5 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra, and faces with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 35-52°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(5), and one Mn(6) atom. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(6) atom to form corner-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(4) atom. 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 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 to one Mg(1), one Mn(1), one Mn(2), and one Mn(6) atom to form corner-sharing OMgMn3 trigonal pyramids. There are five inequivalent F sites. In the first F site, F(1) is bonded in a distorted T-shaped 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(2), one Mn(4), and one Mn(6) atom. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the fourth F site, F(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(3), one Mn(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a distorted T-shaped geometry to one Mg(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   5.138
_cell_length_b   7.795
_cell_length_c   5.984
_cell_angle_alpha   99.226
_cell_angle_beta   100.751
_cell_angle_gamma   83.360
_symmetry_Int_Tables_number   1
_cell_volume   231.492
_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  0.501  0.993  0.977  1.0
  Mn  Mn1  1  0.538  0.013  0.473  1.0
  Mn  Mn2  1  0.477  0.647  0.192  1.0
  Mn  Mn3  1  0.509  0.346  0.818  1.0
  Mn  Mn4  1  0.984  0.659  0.675  1.0
  Mn  Mn5  1  0.985  0.322  0.332  1.0
  Mn  Mn6  1  0.001  0.005  0.009  1.0
  O  O7  1  0.810  0.099  0.251  1.0
  O  O8  1  0.700  0.102  0.791  1.0
  O  O9  1  0.686  0.771  0.468  1.0
  O  O10  1  0.706  0.434  0.123  1.0
  O  O11  1  0.292  0.561  0.886  1.0
  O  O12  1  0.305  0.229  0.527  1.0
  O  O13  1  0.319  0.898  0.192  1.0
  F  F14  1  0.795  0.430  0.619  1.0
  F  F15  1  0.771  0.784  0.949  1.0
  F  F16  1  0.169  0.546  0.385  1.0
  F  F17  1  0.247  0.208  0.028  1.0
  F  F18  1  0.192  0.902  0.745  1.0
[/CIF]
.
The structure described by MgMn6O7F5 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(2), one O(7), one F(2), one F(4), and one F(5) atom to form MgO3F3 octahedra that share corners with two equivalent Mn(4)O2F4 octahedra, corners with two equivalent Mn(5)O3F3 octahedra,  a cornercorner with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(3)O4F2 octahedra,  an edgeedge with one Mn(1)O5 square pyramid, and faces with two equivalent Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 44-47°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(6), and one O(7) atom to form distorted MnO5 square pyramids that share  a cornercorner with one Mg(1)O3F3 octahedra,  a cornercorner with one Mn(4)O2F4 octahedra, corners with two equivalent Mn(5)O3F3 octahedra, corners with three equivalent Mn(6)O3F3 octahedra,  an edgeedge with one Mg(1)O3F3 octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 40-78°. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(7), one F(2), and one F(3) atom. In the third Mn site, Mn(3) is bonded to one O(2), one O(4), one O(5), one O(6), one F(1), and one F(4) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(4)O2F4 octahedra, corners with two equivalent Mn(6)O3F3 octahedra, corners with four equivalent Mn(5)O3F3 octahedra,  an edgeedge with one Mg(1)O3F3 octahedra, and  an edgeedge with one Mn(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 35-54°. In the fourth Mn site, Mn(4) is bonded to one O(3), one O(5), one F(1), one F(2), one F(3), and one F(5) atom to form MnO2F4 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with two equivalent Mn(3)O4F2 octahedra,  a cornercorner with one Mn(1)O5 square pyramid,  an edgeedge with one Mn(5)O3F3 octahedra, and  an edgeedge with one Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 45-54°. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(4), one O(6), one F(1), one F(3), and one F(4) atom to form MnO3F3 octahedra that share corners with two equivalent Mg(1)O3F3 octahedra, corners with four equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(1)O5 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra, and  an edgeedge with one Mn(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 43-51°. In the sixth Mn site, Mn(6) is bonded to one O(1), one O(2), one O(7), one F(2), one F(4), and one F(5) atom to form MnO3F3 octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with three equivalent Mn(1)O5 square pyramids,  an edgeedge with one Mn(4)O2F4 octahedra,  an edgeedge with one Mn(5)O3F3 octahedra, and faces with two equivalent Mg(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 35-52°. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(1), one Mn(5), and one Mn(6) atom. In the second O site, O(2) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(6) atom to form corner-sharing OMgMn3 trigonal pyramids. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(4) atom. 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 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 to one Mg(1), one Mn(1), one Mn(2), and one Mn(6) atom to form corner-sharing OMgMn3 trigonal pyramids. There are five inequivalent F sites. In the first F site, F(1) is bonded in a distorted T-shaped 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(2), one Mn(4), and one Mn(6) atom. In the third F site, F(3) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the fourth F site, F(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(3), one Mn(5), and one Mn(6) atom. In the fifth F site, F(5) is bonded in a distorted T-shaped geometry to one Mg(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   5.138
_cell_length_b   7.795
_cell_length_c   5.984
_cell_angle_alpha   99.226
_cell_angle_beta   100.751
_cell_angle_gamma   83.360
_symmetry_Int_Tables_number   1
_cell_volume   231.492
_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  0.501  0.993  0.977  1.0
  Mn  Mn1  1  0.538  0.013  0.473  1.0
  Mn  Mn2  1  0.477  0.647  0.192  1.0
  Mn  Mn3  1  0.509  0.346  0.818  1.0
  Mn  Mn4  1  0.984  0.659  0.675  1.0
  Mn  Mn5  1  0.985  0.322  0.332  1.0
  Mn  Mn6  1  0.001  0.005  0.009  1.0
  O  O7  1  0.810  0.099  0.251  1.0
  O  O8  1  0.700  0.102  0.791  1.0
  O  O9  1  0.686  0.771  0.468  1.0
  O  O10  1  0.706  0.434  0.123  1.0
  O  O11  1  0.292  0.561  0.886  1.0
  O  O12  1  0.305  0.229  0.527  1.0
  O  O13  1  0.319  0.898  0.192  1.0
  F  F14  1  0.795  0.430  0.619  1.0
  F  F15  1  0.771  0.784  0.949  1.0
  F  F16  1  0.169  0.546  0.385  1.0
  F  F17  1  0.247  0.208  0.028  1.0
  F  F18  1  0.192  0.902  0.745  1.0
[/CIF]
.