The material structure described by MgFe6O11F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(3), one O(4), one O(6), one O(7), one O(9), and one F(1) atom to form MgO5F octahedra that share corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, edges with two equivalent Fe(1)O5F octahedra, and edges with two equivalent Fe(3)O5F octahedra. The corner-sharing octahedral tilt angles range from 39-48°. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(3), one O(4), one O(7), and one F(1) atom to form FeO5F octahedra that share corners with four equivalent Fe(4)O6 octahedra,  an edgeedge with one Fe(3)O5F octahedra,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-63°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(11), one O(2), one O(5), and one O(8) atom to form FeO6 octahedra that share corners with four equivalent Fe(4)O6 octahedra, corners with four equivalent Fe(6)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra, and  an edgeedge with one Fe(3)O5F octahedra. The corner-sharing octahedral tilt angles range from 45-48°. In the third Fe site, Fe(3) is bonded to one O(11), one O(2), one O(3), one O(6), one O(9), and one F(1) atom to form FeO5F octahedra that share corners with four equivalent Fe(6)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-63°. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(10), one O(4), one O(5), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with two equivalent Mg(1)O5F octahedra, corners with four equivalent Fe(1)O5F octahedra, corners with four equivalent Fe(2)O6 octahedra, and  an edgeedge with one Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-63°. In the fifth Fe site, Fe(5) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(6), one O(7), one O(9), and one F(1) atom. In the sixth Fe site, Fe(6) is bonded to one O(11), one O(2), one O(5), one O(6), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Mg(1)O5F octahedra, corners with four equivalent Fe(3)O5F octahedra, corners with four equivalent Fe(2)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-63°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Fe(2), one Fe(3), and one Fe(6) atom. In the third O site, O(3) is bonded in a trigonal pyramidal geometry to one Mg(1), one Fe(1), one Fe(3), and one Fe(5) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(1), one Fe(4), and one Fe(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(4), and one Fe(6) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(3), one Fe(5), and one Fe(6) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(1), one Fe(4), and one Fe(5) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(4), and one Fe(6) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(3), one Fe(5), and one Fe(6) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Fe(2), one Fe(3), and one Fe(6) atom. F(1) is bonded in a 4-coordinate geometry to one Mg(1), one Fe(1), one Fe(3), and one Fe(5) atom. is represented by the CIF card [CIF]
data_MgFe6O11F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.792
_cell_length_b   4.853
_cell_length_c   8.859
_cell_angle_alpha   89.942
_cell_angle_beta   90.072
_cell_angle_gamma   91.654
_symmetry_Int_Tables_number   1
_cell_volume   205.910
_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  0.509  0.022  0.829  1.0
  Fe  Fe1  1  0.008  0.981  0.017  1.0
  Fe  Fe2  1  0.006  0.994  0.329  1.0
  Fe  Fe3  1  0.006  0.984  0.641  1.0
  Fe  Fe4  1  0.512  0.491  0.166  1.0
  Fe  Fe5  1  0.445  0.528  0.829  1.0
  Fe  Fe6  1  0.507  0.496  0.492  1.0
  O  O7  1  0.188  0.789  0.170  1.0
  O  O8  1  0.185  0.789  0.489  1.0
  O  O9  1  0.154  0.807  0.828  1.0
  O  O10  1  0.339  0.279  0.985  1.0
  O  O11  1  0.318  0.288  0.329  1.0
  O  O12  1  0.338  0.281  0.672  1.0
  O  O13  1  0.652  0.732  0.983  1.0
  O  O14  1  0.699  0.697  0.329  1.0
  O  O15  1  0.651  0.733  0.675  1.0
  O  O16  1  0.826  0.193  0.165  1.0
  O  O17  1  0.825  0.194  0.493  1.0
  F  F18  1  0.847  0.233  0.828  1.0
[/CIF]
.
The material structure described by MgFe6O11F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(3), one O(4), one O(6), one O(7), one O(9), and one F(1) atom to form MgO5F octahedra that share corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(6)O6 octahedra, edges with two equivalent Fe(1)O5F octahedra, and edges with two equivalent Fe(3)O5F octahedra. The corner-sharing octahedral tilt angles range from 39-48°. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(10), one O(3), one O(4), one O(7), and one F(1) atom to form FeO5F octahedra that share corners with four equivalent Fe(4)O6 octahedra,  an edgeedge with one Fe(3)O5F octahedra,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-63°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(11), one O(2), one O(5), and one O(8) atom to form FeO6 octahedra that share corners with four equivalent Fe(4)O6 octahedra, corners with four equivalent Fe(6)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra, and  an edgeedge with one Fe(3)O5F octahedra. The corner-sharing octahedral tilt angles range from 45-48°. In the third Fe site, Fe(3) is bonded to one O(11), one O(2), one O(3), one O(6), one O(9), and one F(1) atom to form FeO5F octahedra that share corners with four equivalent Fe(6)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-63°. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(10), one O(4), one O(5), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with two equivalent Mg(1)O5F octahedra, corners with four equivalent Fe(1)O5F octahedra, corners with four equivalent Fe(2)O6 octahedra, and  an edgeedge with one Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-63°. In the fifth Fe site, Fe(5) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(6), one O(7), one O(9), and one F(1) atom. In the sixth Fe site, Fe(6) is bonded to one O(11), one O(2), one O(5), one O(6), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Mg(1)O5F octahedra, corners with four equivalent Fe(3)O5F octahedra, corners with four equivalent Fe(2)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-63°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Fe(2), one Fe(3), and one Fe(6) atom. In the third O site, O(3) is bonded in a trigonal pyramidal geometry to one Mg(1), one Fe(1), one Fe(3), and one Fe(5) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(1), one Fe(4), and one Fe(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(4), and one Fe(6) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(3), one Fe(5), and one Fe(6) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(1), one Fe(4), and one Fe(5) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(4), and one Fe(6) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Fe(3), one Fe(5), and one Fe(6) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Fe(2), one Fe(3), and one Fe(6) atom. F(1) is bonded in a 4-coordinate geometry to one Mg(1), one Fe(1), one Fe(3), and one Fe(5) atom. is represented by the CIF card [CIF]
data_MgFe6O11F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.792
_cell_length_b   4.853
_cell_length_c   8.859
_cell_angle_alpha   89.942
_cell_angle_beta   90.072
_cell_angle_gamma   91.654
_symmetry_Int_Tables_number   1
_cell_volume   205.910
_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  0.509  0.022  0.829  1.0
  Fe  Fe1  1  0.008  0.981  0.017  1.0
  Fe  Fe2  1  0.006  0.994  0.329  1.0
  Fe  Fe3  1  0.006  0.984  0.641  1.0
  Fe  Fe4  1  0.512  0.491  0.166  1.0
  Fe  Fe5  1  0.445  0.528  0.829  1.0
  Fe  Fe6  1  0.507  0.496  0.492  1.0
  O  O7  1  0.188  0.789  0.170  1.0
  O  O8  1  0.185  0.789  0.489  1.0
  O  O9  1  0.154  0.807  0.828  1.0
  O  O10  1  0.339  0.279  0.985  1.0
  O  O11  1  0.318  0.288  0.329  1.0
  O  O12  1  0.338  0.281  0.672  1.0
  O  O13  1  0.652  0.732  0.983  1.0
  O  O14  1  0.699  0.697  0.329  1.0
  O  O15  1  0.651  0.733  0.675  1.0
  O  O16  1  0.826  0.193  0.165  1.0
  O  O17  1  0.825  0.194  0.493  1.0
  F  F18  1  0.847  0.233  0.828  1.0
[/CIF]
.