The compound described by MgFe12(OF)12 crystallizes in the monoclinic Pm space group. Mg(1) is bonded to one O(12), one O(7), two equivalent O(9), and two equivalent F(9) atoms to form MgO4F2 octahedra that share corners with two equivalent Fe(10)O3F3 octahedra, corners with two equivalent Fe(1)O5 square pyramids, edges with two equivalent Mg(1)O4F2 octahedra, edges with two equivalent Fe(8)O4F2 octahedra, and  a faceface with one Fe(10)O3F3 octahedra. The corner-sharing octahedral tilt angles are 48°. There are twelve inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), two equivalent O(12), and two equivalent O(2) atoms to form distorted FeO5 square pyramids that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Fe(10)O3F3 octahedra, corners with two equivalent Fe(4)O3F3 octahedra, corners with two equivalent Fe(6)O3F3 octahedra, and edges with two equivalent Fe(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 50-75°. In the second Fe site, Fe(2) is bonded to one O(4), two equivalent O(1), one F(8), and two equivalent F(11) atoms to form a mixture of corner and edge-sharing FeO3F3 octahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the third Fe site, Fe(3) is bonded to one F(10), one F(2), two equivalent F(1), and two equivalent F(12) atoms to form FeF6 octahedra that share corners with two equivalent Fe(11)O3F3 octahedra, corners with two equivalent Fe(5)O3F3 octahedra, corners with two equivalent Fe(6)O3F3 octahedra, and edges with two equivalent Fe(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 46-49°. In the fourth Fe site, Fe(4) is bonded to one O(1), two equivalent O(3), one F(5), and two equivalent F(3) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(8)O4F2 octahedra, corners with two equivalent Fe(1)O5 square pyramids, and edges with two equivalent Fe(4)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the fifth Fe site, Fe(5) is bonded to one O(6), two equivalent O(4), one F(1), and two equivalent F(4) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(3)F6 octahedra, corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(9)O3F3 octahedra, and edges with two equivalent Fe(5)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. In the sixth Fe site, Fe(6) is bonded to one O(2), two equivalent O(5), one F(6), and two equivalent F(2) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(3)F6 octahedra, corners with two equivalent Fe(9)O3F3 octahedra, corners with two equivalent Fe(8)O4F2 octahedra, corners with two equivalent Fe(1)O5 square pyramids, and edges with two equivalent Fe(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 46-53°. In the seventh Fe site, Fe(7) is bonded to one O(10), two equivalent O(6), one F(3), and two equivalent F(7) atoms to form a mixture of corner and edge-sharing FeO3F3 octahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the eighth Fe site, Fe(8) is bonded to one O(5), one O(9), two equivalent O(7), and two equivalent F(5) atoms to form FeO4F2 octahedra that share corners with two equivalent Fe(10)O3F3 octahedra, corners with two equivalent Fe(4)O3F3 octahedra, corners with two equivalent Fe(6)O3F3 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Fe(8)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-53°. In the ninth Fe site, Fe(9) is bonded to one O(11), two equivalent O(8), one F(4), and two equivalent F(6) atoms to form a mixture of corner and edge-sharing FeO3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the tenth Fe site, Fe(10) is bonded to one O(12), two equivalent O(9), one F(7), and two equivalent F(8) atoms to form distorted FeO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(8)O4F2 octahedra, corners with two equivalent Fe(1)O5 square pyramids, edges with two equivalent Fe(10)O3F3 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-48°. In the eleventh Fe site, Fe(11) is bonded to one O(8), two equivalent O(10), one F(11), and two equivalent F(10) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(3)F6 octahedra, corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(9)O3F3 octahedra, and edges with two equivalent Fe(11)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 46-55°. In the twelfth Fe site, Fe(12) is bonded in a 6-coordinate geometry to one O(7), two equivalent O(11), one F(12), and two equivalent F(9) atoms. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Fe(4) and two equivalent Fe(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Fe(6) and two equivalent Fe(1) atoms. In the third O site, O(3) is bonded in a trigonal planar geometry to one Fe(1) and two equivalent Fe(4) atoms. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Fe(2) and two equivalent Fe(5) atoms. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Fe(8) and two equivalent Fe(6) atoms. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Fe(5) and two equivalent Fe(7) atoms. In the seventh O site, O(7) is bonded to one Mg(1), one Fe(12), and two equivalent Fe(8) atoms to form OMgFe3 trigonal pyramids that share  a cornercorner with one O(12)MgFe3 tetrahedra, corners with two equivalent O(7)MgFe3 trigonal pyramids, and edges with two equivalent O(9)Mg2Fe3 square pyramids. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Fe(11) and two equivalent Fe(9) atoms. In the ninth O site, O(9) is bonded to two equivalent Mg(1), one Fe(8), and two equivalent Fe(10) atoms to form distorted OMg2Fe3 square pyramids that share edges with two equivalent O(9)Mg2Fe3 square pyramids, edges with two equivalent O(12)MgFe3 tetrahedra, and edges with two equivalent O(7)MgFe3 trigonal pyramids. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Fe(7) and two equivalent Fe(11) atoms. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Fe(9) and two equivalent Fe(12) atoms. In the twelfth O site, O(12) is bonded to one Mg(1), one Fe(10), and two equivalent Fe(1) atoms to form distorted OMgFe3 tetrahedra that share corners with two equivalent O(12)MgFe3 tetrahedra,  a cornercorner with one O(7)MgFe3 trigonal pyramid, and edges with two equivalent O(9)Mg2Fe3 square pyramids. There are twelve inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Fe(5) and two equivalent Fe(3) atoms. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Fe(3) and two equivalent Fe(6) atoms. In the third F site, F(3) is bonded in a distorted T-shaped geometry to one Fe(7) and two equivalent Fe(4) atoms. In the fourth F site, F(4) is bonded in a distorted T-shaped geometry to one Fe(9) and two equivalent Fe(5) atoms. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Fe(4) and two equivalent Fe(8) atoms. In the sixth F site, F(6) is bonded in a distorted T-shaped geometry to one Fe(6) and two equivalent Fe(9) atoms. In the seventh F site, F(7) is bonded in a distorted T-shaped geometry to one Fe(10) and two equivalent Fe(7) atoms. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Fe(2) and two equivalent Fe(10) atoms. In the ninth F site, F(9) is bonded in a 4-coordinate geometry to two equivalent Mg(1) and two equivalent Fe(12) atoms. In the tenth F site, F(10) is bonded in a distorted T-shaped geometry to one Fe(3) and two equivalent Fe(11) atoms. In the eleventh F site, F(11) is bonded in a distorted T-shaped geometry to one Fe(11) and two equivalent Fe(2) atoms. In the twelfth F site, F(12) is bonded in a distorted trigonal planar geometry to one Fe(12) and two equivalent Fe(3) atoms. is represented by the CIF file [CIF]
data_MgFe12(OF)12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.711
_cell_length_b   14.525
_cell_length_c   3.092
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   87.846
_symmetry_Int_Tables_number   1
_cell_volume   435.832
_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  0.768  0.992  0.500  1.0
  Fe  Fe1  1  0.050  0.020  0.000  1.0
  Fe  Fe2  1  0.022  0.333  0.000  1.0
  Fe  Fe3  1  0.004  0.670  0.000  1.0
  Fe  Fe4  1  0.252  0.176  0.500  1.0
  Fe  Fe5  1  0.241  0.482  0.500  1.0
  Fe  Fe6  1  0.258  0.852  0.500  1.0
  Fe  Fe7  1  0.503  0.349  0.000  1.0
  Fe  Fe8  1  0.507  0.990  0.000  1.0
  Fe  Fe9  1  0.499  0.648  0.000  1.0
  Fe  Fe10  1  0.764  0.168  0.500  1.0
  Fe  Fe11  1  0.731  0.492  0.500  1.0
  Fe  Fe12  1  0.701  0.804  0.500  1.0
  O  O13  1  0.110  0.274  0.500  1.0
  O  O14  1  0.108  0.940  0.500  1.0
  O  O15  1  0.190  0.111  0.000  1.0
  O  O16  1  0.146  0.438  0.000  1.0
  O  O17  1  0.357  0.899  0.000  1.0
  O  O18  1  0.405  0.400  0.500  1.0
  O  O19  1  0.596  0.920  0.500  1.0
  O  O20  1  0.581  0.587  0.500  1.0
  O  O21  1  0.676  0.069  0.000  1.0
  O  O22  1  0.663  0.426  0.000  1.0
  O  O23  1  0.637  0.745  0.000  1.0
  O  O24  1  0.929  0.069  0.500  1.0
  F  F25  1  0.103  0.601  0.500  1.0
  F  F26  1  0.160  0.773  0.000  1.0
  F  F27  1  0.369  0.237  0.000  1.0
  F  F28  1  0.332  0.563  0.000  1.0
  F  F29  1  0.422  0.069  0.500  1.0
  F  F30  1  0.392  0.720  0.500  1.0
  F  F31  1  0.597  0.266  0.500  1.0
  F  F32  1  0.858  0.248  0.000  1.0
  F  F33  1  0.821  0.892  0.000  1.0
  F  F34  1  0.839  0.562  0.000  1.0
  F  F35  1  0.908  0.403  0.500  1.0
  F  F36  1  0.892  0.737  0.500  1.0
[/CIF]
.
The compound described by MgFe12(OF)12 crystallizes in the monoclinic Pm space group. Mg(1) is bonded to one O(12), one O(7), two equivalent O(9), and two equivalent F(9) atoms to form MgO4F2 octahedra that share corners with two equivalent Fe(10)O3F3 octahedra, corners with two equivalent Fe(1)O5 square pyramids, edges with two equivalent Mg(1)O4F2 octahedra, edges with two equivalent Fe(8)O4F2 octahedra, and  a faceface with one Fe(10)O3F3 octahedra. The corner-sharing octahedral tilt angles are 48°. There are twelve inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), two equivalent O(12), and two equivalent O(2) atoms to form distorted FeO5 square pyramids that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Fe(10)O3F3 octahedra, corners with two equivalent Fe(4)O3F3 octahedra, corners with two equivalent Fe(6)O3F3 octahedra, and edges with two equivalent Fe(1)O5 square pyramids. The corner-sharing octahedral tilt angles range from 50-75°. In the second Fe site, Fe(2) is bonded to one O(4), two equivalent O(1), one F(8), and two equivalent F(11) atoms to form a mixture of corner and edge-sharing FeO3F3 octahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the third Fe site, Fe(3) is bonded to one F(10), one F(2), two equivalent F(1), and two equivalent F(12) atoms to form FeF6 octahedra that share corners with two equivalent Fe(11)O3F3 octahedra, corners with two equivalent Fe(5)O3F3 octahedra, corners with two equivalent Fe(6)O3F3 octahedra, and edges with two equivalent Fe(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 46-49°. In the fourth Fe site, Fe(4) is bonded to one O(1), two equivalent O(3), one F(5), and two equivalent F(3) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(8)O4F2 octahedra, corners with two equivalent Fe(1)O5 square pyramids, and edges with two equivalent Fe(4)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the fifth Fe site, Fe(5) is bonded to one O(6), two equivalent O(4), one F(1), and two equivalent F(4) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(3)F6 octahedra, corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(9)O3F3 octahedra, and edges with two equivalent Fe(5)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. In the sixth Fe site, Fe(6) is bonded to one O(2), two equivalent O(5), one F(6), and two equivalent F(2) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(3)F6 octahedra, corners with two equivalent Fe(9)O3F3 octahedra, corners with two equivalent Fe(8)O4F2 octahedra, corners with two equivalent Fe(1)O5 square pyramids, and edges with two equivalent Fe(6)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 46-53°. In the seventh Fe site, Fe(7) is bonded to one O(10), two equivalent O(6), one F(3), and two equivalent F(7) atoms to form a mixture of corner and edge-sharing FeO3F3 octahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the eighth Fe site, Fe(8) is bonded to one O(5), one O(9), two equivalent O(7), and two equivalent F(5) atoms to form FeO4F2 octahedra that share corners with two equivalent Fe(10)O3F3 octahedra, corners with two equivalent Fe(4)O3F3 octahedra, corners with two equivalent Fe(6)O3F3 octahedra, edges with two equivalent Mg(1)O4F2 octahedra, and edges with two equivalent Fe(8)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-53°. In the ninth Fe site, Fe(9) is bonded to one O(11), two equivalent O(8), one F(4), and two equivalent F(6) atoms to form a mixture of corner and edge-sharing FeO3F3 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the tenth Fe site, Fe(10) is bonded to one O(12), two equivalent O(9), one F(7), and two equivalent F(8) atoms to form distorted FeO3F3 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(8)O4F2 octahedra, corners with two equivalent Fe(1)O5 square pyramids, edges with two equivalent Fe(10)O3F3 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 47-48°. In the eleventh Fe site, Fe(11) is bonded to one O(8), two equivalent O(10), one F(11), and two equivalent F(10) atoms to form FeO3F3 octahedra that share corners with two equivalent Fe(3)F6 octahedra, corners with two equivalent Fe(2)O3F3 octahedra, corners with two equivalent Fe(7)O3F3 octahedra, corners with two equivalent Fe(9)O3F3 octahedra, and edges with two equivalent Fe(11)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 46-55°. In the twelfth Fe site, Fe(12) is bonded in a 6-coordinate geometry to one O(7), two equivalent O(11), one F(12), and two equivalent F(9) atoms. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Fe(4) and two equivalent Fe(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Fe(6) and two equivalent Fe(1) atoms. In the third O site, O(3) is bonded in a trigonal planar geometry to one Fe(1) and two equivalent Fe(4) atoms. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Fe(2) and two equivalent Fe(5) atoms. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Fe(8) and two equivalent Fe(6) atoms. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Fe(5) and two equivalent Fe(7) atoms. In the seventh O site, O(7) is bonded to one Mg(1), one Fe(12), and two equivalent Fe(8) atoms to form OMgFe3 trigonal pyramids that share  a cornercorner with one O(12)MgFe3 tetrahedra, corners with two equivalent O(7)MgFe3 trigonal pyramids, and edges with two equivalent O(9)Mg2Fe3 square pyramids. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Fe(11) and two equivalent Fe(9) atoms. In the ninth O site, O(9) is bonded to two equivalent Mg(1), one Fe(8), and two equivalent Fe(10) atoms to form distorted OMg2Fe3 square pyramids that share edges with two equivalent O(9)Mg2Fe3 square pyramids, edges with two equivalent O(12)MgFe3 tetrahedra, and edges with two equivalent O(7)MgFe3 trigonal pyramids. In the tenth O site, O(10) is bonded in a trigonal planar geometry to one Fe(7) and two equivalent Fe(11) atoms. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Fe(9) and two equivalent Fe(12) atoms. In the twelfth O site, O(12) is bonded to one Mg(1), one Fe(10), and two equivalent Fe(1) atoms to form distorted OMgFe3 tetrahedra that share corners with two equivalent O(12)MgFe3 tetrahedra,  a cornercorner with one O(7)MgFe3 trigonal pyramid, and edges with two equivalent O(9)Mg2Fe3 square pyramids. There are twelve inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Fe(5) and two equivalent Fe(3) atoms. In the second F site, F(2) is bonded in a distorted T-shaped geometry to one Fe(3) and two equivalent Fe(6) atoms. In the third F site, F(3) is bonded in a distorted T-shaped geometry to one Fe(7) and two equivalent Fe(4) atoms. In the fourth F site, F(4) is bonded in a distorted T-shaped geometry to one Fe(9) and two equivalent Fe(5) atoms. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Fe(4) and two equivalent Fe(8) atoms. In the sixth F site, F(6) is bonded in a distorted T-shaped geometry to one Fe(6) and two equivalent Fe(9) atoms. In the seventh F site, F(7) is bonded in a distorted T-shaped geometry to one Fe(10) and two equivalent Fe(7) atoms. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Fe(2) and two equivalent Fe(10) atoms. In the ninth F site, F(9) is bonded in a 4-coordinate geometry to two equivalent Mg(1) and two equivalent Fe(12) atoms. In the tenth F site, F(10) is bonded in a distorted T-shaped geometry to one Fe(3) and two equivalent Fe(11) atoms. In the eleventh F site, F(11) is bonded in a distorted T-shaped geometry to one Fe(11) and two equivalent Fe(2) atoms. In the twelfth F site, F(12) is bonded in a distorted trigonal planar geometry to one Fe(12) and two equivalent Fe(3) atoms. is represented by the CIF file [CIF]
data_MgFe12(OF)12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.711
_cell_length_b   14.525
_cell_length_c   3.092
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   87.846
_symmetry_Int_Tables_number   1
_cell_volume   435.832
_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  0.768  0.992  0.500  1.0
  Fe  Fe1  1  0.050  0.020  0.000  1.0
  Fe  Fe2  1  0.022  0.333  0.000  1.0
  Fe  Fe3  1  0.004  0.670  0.000  1.0
  Fe  Fe4  1  0.252  0.176  0.500  1.0
  Fe  Fe5  1  0.241  0.482  0.500  1.0
  Fe  Fe6  1  0.258  0.852  0.500  1.0
  Fe  Fe7  1  0.503  0.349  0.000  1.0
  Fe  Fe8  1  0.507  0.990  0.000  1.0
  Fe  Fe9  1  0.499  0.648  0.000  1.0
  Fe  Fe10  1  0.764  0.168  0.500  1.0
  Fe  Fe11  1  0.731  0.492  0.500  1.0
  Fe  Fe12  1  0.701  0.804  0.500  1.0
  O  O13  1  0.110  0.274  0.500  1.0
  O  O14  1  0.108  0.940  0.500  1.0
  O  O15  1  0.190  0.111  0.000  1.0
  O  O16  1  0.146  0.438  0.000  1.0
  O  O17  1  0.357  0.899  0.000  1.0
  O  O18  1  0.405  0.400  0.500  1.0
  O  O19  1  0.596  0.920  0.500  1.0
  O  O20  1  0.581  0.587  0.500  1.0
  O  O21  1  0.676  0.069  0.000  1.0
  O  O22  1  0.663  0.426  0.000  1.0
  O  O23  1  0.637  0.745  0.000  1.0
  O  O24  1  0.929  0.069  0.500  1.0
  F  F25  1  0.103  0.601  0.500  1.0
  F  F26  1  0.160  0.773  0.000  1.0
  F  F27  1  0.369  0.237  0.000  1.0
  F  F28  1  0.332  0.563  0.000  1.0
  F  F29  1  0.422  0.069  0.500  1.0
  F  F30  1  0.392  0.720  0.500  1.0
  F  F31  1  0.597  0.266  0.500  1.0
  F  F32  1  0.858  0.248  0.000  1.0
  F  F33  1  0.821  0.892  0.000  1.0
  F  F34  1  0.839  0.562  0.000  1.0
  F  F35  1  0.908  0.403  0.500  1.0
  F  F36  1  0.892  0.737  0.500  1.0
[/CIF]
.