The structure described by Li8Co(O2F)2 crystallizes in the triclinic P-1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), and two equivalent F(1) atoms to form LiO2F2 tetrahedra that share corners with three equivalent Li(2)O3F tetrahedra, corners with three equivalent Li(3)O3F tetrahedra,  an edgeedge with one Li(1)O2F2 tetrahedra,  an edgeedge with one Li(2)O3F tetrahedra, and  an edgeedge with one Li(3)O3F tetrahedra. In the second Li site, Li(2) is bonded to one O(2), two equivalent O(1), and one F(1) atom to form LiO3F tetrahedra that share corners with three equivalent Li(1)O2F2 tetrahedra, corners with three equivalent Li(3)O3F tetrahedra,  an edgeedge with one Li(1)O2F2 tetrahedra,  an edgeedge with one Li(2)O3F tetrahedra, and  an edgeedge with one Li(3)O3F tetrahedra. In the third Li site, Li(3) is bonded to one O(1), two equivalent O(2), and one F(1) atom to form distorted LiO3F tetrahedra that share corners with three equivalent Li(1)O2F2 tetrahedra, corners with three equivalent Li(2)O3F tetrahedra,  an edgeedge with one Li(1)O2F2 tetrahedra,  an edgeedge with one Li(2)O3F tetrahedra, and  an edgeedge with one Li(3)O3F tetrahedra. In the fourth Li site, Li(4) is bonded in a 3-coordinate geometry to one O(1), two equivalent O(2), and two equivalent F(1) atoms. Co(1) is bonded in a distorted square co-planar geometry to two equivalent O(1), two equivalent O(2), and two equivalent F(1) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Li(1), one Li(3), one Li(4), two equivalent Li(2), and one Co(1) atom. In the second O site, O(2) is bonded in a 7-coordinate geometry to one Li(1), one Li(2), two equivalent Li(3), two equivalent Li(4), and one Co(1) atom. F(1) is bonded in a 7-coordinate geometry to one Li(2), one Li(3), two equivalent Li(1), two equivalent Li(4), and one Co(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li8Co(O2F)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.403
_cell_length_b   5.462
_cell_length_c   5.921
_cell_angle_alpha   91.422
_cell_angle_beta   114.870
_cell_angle_gamma   115.384
_symmetry_Int_Tables_number   1
_cell_volume   138.679
_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
  Co  Co0  1  1.000  1.000  1.000  1.0
  F  F1  1  0.457  0.560  0.726  1.0
  F  F2  1  0.543  0.440  0.274  1.0
  Li  Li3  1  0.227  0.462  0.341  1.0
  Li  Li4  1  0.773  0.538  0.659  1.0
  Li  Li5  1  0.091  0.207  0.640  1.0
  Li  Li6  1  0.909  0.793  0.360  1.0
  Li  Li7  1  0.418  0.898  0.642  1.0
  Li  Li8  1  0.582  0.102  0.358  1.0
  Li  Li9  1  0.706  0.311  0.014  1.0
  Li  Li10  1  0.294  0.689  0.986  1.0
  O  O11  1  0.864  0.101  0.245  1.0
  O  O12  1  0.136  0.899  0.755  1.0
  O  O13  1  0.178  0.771  0.243  1.0
  O  O14  1  0.822  0.229  0.757  1.0
[/CIF]
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The structure described by Li8Co(O2F)2 crystallizes in the triclinic P-1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), and two equivalent F(1) atoms to form LiO2F2 tetrahedra that share corners with three equivalent Li(2)O3F tetrahedra, corners with three equivalent Li(3)O3F tetrahedra,  an edgeedge with one Li(1)O2F2 tetrahedra,  an edgeedge with one Li(2)O3F tetrahedra, and  an edgeedge with one Li(3)O3F tetrahedra. In the second Li site, Li(2) is bonded to one O(2), two equivalent O(1), and one F(1) atom to form LiO3F tetrahedra that share corners with three equivalent Li(1)O2F2 tetrahedra, corners with three equivalent Li(3)O3F tetrahedra,  an edgeedge with one Li(1)O2F2 tetrahedra,  an edgeedge with one Li(2)O3F tetrahedra, and  an edgeedge with one Li(3)O3F tetrahedra. In the third Li site, Li(3) is bonded to one O(1), two equivalent O(2), and one F(1) atom to form distorted LiO3F tetrahedra that share corners with three equivalent Li(1)O2F2 tetrahedra, corners with three equivalent Li(2)O3F tetrahedra,  an edgeedge with one Li(1)O2F2 tetrahedra,  an edgeedge with one Li(2)O3F tetrahedra, and  an edgeedge with one Li(3)O3F tetrahedra. In the fourth Li site, Li(4) is bonded in a 3-coordinate geometry to one O(1), two equivalent O(2), and two equivalent F(1) atoms. Co(1) is bonded in a distorted square co-planar geometry to two equivalent O(1), two equivalent O(2), and two equivalent F(1) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Li(1), one Li(3), one Li(4), two equivalent Li(2), and one Co(1) atom. In the second O site, O(2) is bonded in a 7-coordinate geometry to one Li(1), one Li(2), two equivalent Li(3), two equivalent Li(4), and one Co(1) atom. F(1) is bonded in a 7-coordinate geometry to one Li(2), one Li(3), two equivalent Li(1), two equivalent Li(4), and one Co(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li8Co(O2F)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.403
_cell_length_b   5.462
_cell_length_c   5.921
_cell_angle_alpha   91.422
_cell_angle_beta   114.870
_cell_angle_gamma   115.384
_symmetry_Int_Tables_number   1
_cell_volume   138.679
_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
  Co  Co0  1  1.000  1.000  1.000  1.0
  F  F1  1  0.457  0.560  0.726  1.0
  F  F2  1  0.543  0.440  0.274  1.0
  Li  Li3  1  0.227  0.462  0.341  1.0
  Li  Li4  1  0.773  0.538  0.659  1.0
  Li  Li5  1  0.091  0.207  0.640  1.0
  Li  Li6  1  0.909  0.793  0.360  1.0
  Li  Li7  1  0.418  0.898  0.642  1.0
  Li  Li8  1  0.582  0.102  0.358  1.0
  Li  Li9  1  0.706  0.311  0.014  1.0
  Li  Li10  1  0.294  0.689  0.986  1.0
  O  O11  1  0.864  0.101  0.245  1.0
  O  O12  1  0.136  0.899  0.755  1.0
  O  O13  1  0.178  0.771  0.243  1.0
  O  O14  1  0.822  0.229  0.757  1.0
[/CIF]
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