The material described by Li2Co4OF8 is Corundum-derived structured and crystallizes in the monoclinic Cc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one F(1), one F(3), one F(4), one F(6), one F(7), and one F(8) atom to form LiF6 octahedra that share corners with three equivalent Co(1)OF5 octahedra, corners with three equivalent Co(2)OF5 octahedra, corners with three equivalent Co(4)OF5 octahedra, edges with three equivalent Co(3)F6 octahedra, and  a faceface with one Li(2)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-64°. In the second Li site, Li(2) is bonded to one O(1), one F(1), one F(2), one F(3), one F(5), and one F(6) atom to form distorted LiOF5 octahedra that share corners with three equivalent Co(3)F6 octahedra, corners with three equivalent Co(2)OF5 octahedra, corners with three equivalent Co(4)OF5 octahedra, edges with three equivalent Co(1)OF5 octahedra, and  a faceface with one Li(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 46-63°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one F(1), one F(2), one F(3), one F(5), and one F(6) atom to form CoOF5 octahedra that share corners with three equivalent Li(1)F6 octahedra, corners with three equivalent Co(3)F6 octahedra, corners with three equivalent Co(4)OF5 octahedra, edges with three equivalent Li(2)OF5 octahedra, and  a faceface with one Co(2)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-62°. In the second Co site, Co(2) is bonded to one O(1), one F(2), one F(4), one F(5), one F(7), and one F(8) atom to form CoOF5 octahedra that share corners with three equivalent Li(1)F6 octahedra, corners with three equivalent Li(2)OF5 octahedra, corners with three equivalent Co(3)F6 octahedra, edges with three equivalent Co(4)OF5 octahedra, and  a faceface with one Co(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-64°. In the third Co site, Co(3) is bonded to one F(1), one F(3), one F(4), one F(6), one F(7), and one F(8) atom to form CoF6 octahedra that share corners with three equivalent Li(2)OF5 octahedra, corners with three equivalent Co(1)OF5 octahedra, corners with three equivalent Co(2)OF5 octahedra, edges with three equivalent Li(1)F6 octahedra, and  a faceface with one Co(4)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-62°. In the fourth Co site, Co(4) is bonded to one O(1), one F(2), one F(4), one F(5), one F(7), and one F(8) atom to form distorted CoOF5 octahedra that share corners with three equivalent Li(1)F6 octahedra, corners with three equivalent Li(2)OF5 octahedra, corners with three equivalent Co(1)OF5 octahedra, edges with three equivalent Co(2)OF5 octahedra, and  a faceface with one Co(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 44-63°. O(1) is bonded to one Li(2), one Co(1), one Co(2), and one Co(4) atom to form distorted OLiCo3 trigonal pyramids that share corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids,  an edgeedge with one F(1)Li2Co2 trigonal pyramid, and  an edgeedge with one F(7)LiCo3 trigonal pyramid. There are eight inequivalent F sites. In the first F site, F(3) is bonded to one Li(1), one Li(2), one Co(1), and one Co(3) atom to form distorted FLi2Co2 trigonal pyramids that share corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent F(1)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(7)LiCo3 trigonal pyramids,  an edgeedge with one F(1)Li2Co2 trigonal pyramid,  an edgeedge with one F(6)Li2Co2 trigonal pyramid, and  an edgeedge with one F(4)LiCo3 trigonal pyramid. In the second F site, F(4) is bonded to one Li(1), one Co(2), one Co(3), and one Co(4) atom to form distorted FLiCo3 trigonal pyramids that share corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent F(1)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(7)LiCo3 trigonal pyramids,  an edgeedge with one F(3)Li2Co2 trigonal pyramid, and  an edgeedge with one F(7)LiCo3 trigonal pyramid. In the third F site, F(5) is bonded in a 4-coordinate geometry to one Li(2), one Co(1), one Co(2), and one Co(4) atom. In the fourth F site, F(6) is bonded to one Li(1), one Li(2), one Co(1), and one Co(3) atom to form distorted FLi2Co2 trigonal pyramids that share corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent F(1)Li2Co2 trigonal pyramids, corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids, corners with two equivalent F(7)LiCo3 trigonal pyramids,  an edgeedge with one F(1)Li2Co2 trigonal pyramid, and  an edgeedge with one F(3)Li2Co2 trigonal pyramid. In the fifth F site, F(7) is bonded to one Li(1), one Co(2), one Co(3), and one Co(4) atom to form distorted FLiCo3 trigonal pyramids that share corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids,  an edgeedge with one O(1)LiCo3 trigonal pyramid,  an edgeedge with one F(1)Li2Co2 trigonal pyramid, and  an edgeedge with one F(4)LiCo3 trigonal pyramid. In the sixth F site, F(8) is bonded in a distorted see-saw-like geometry to one Li(1), one Co(2), one Co(3), and one Co(4) atom. In the seventh F site, F(1) is bonded to one Li(1), one Li(2), one Co(1), and one Co(3) atom to form distorted FLi2Co2 trigonal pyramids that share corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids,  an edgeedge with one O(1)LiCo3 trigonal pyramid,  an edgeedge with one F(3)Li2Co2 trigonal pyramid,  an edgeedge with one F(6)Li2Co2 trigonal pyramid, and  an edgeedge with one F(7)LiCo3 trigonal pyramid. In the eighth F site, F(2) is bonded in a 4-coordinate geometry to one Li(2), one Co(1), one Co(2), and one Co(4) atom. is represented by the CIF file [CIF]
data_Li2Co4OF8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.266
_cell_length_b   5.266
_cell_length_c   14.153
_cell_angle_alpha   89.249
_cell_angle_beta   89.249
_cell_angle_gamma   58.774
_symmetry_Int_Tables_number   1
_cell_volume   335.542
_cell_formula_units_Z   2
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
  Li  Li0  1  0.005  0.997  0.848  1.0
  Li  Li1  1  0.991  0.022  0.643  1.0
  Li  Li2  1  0.997  0.005  0.348  1.0
  Li  Li3  1  0.022  0.991  0.143  1.0
  Co  Co4  1  0.687  0.654  0.681  1.0
  Co  Co5  1  0.651  0.673  0.985  1.0
  Co  Co6  1  0.654  0.687  0.181  1.0
  Co  Co7  1  0.673  0.651  0.485  1.0
  Co  Co8  1  0.336  0.329  0.814  1.0
  Co  Co9  1  0.329  0.336  0.314  1.0
  Co  Co10  1  0.347  0.303  0.027  1.0
  Co  Co11  1  0.303  0.347  0.527  1.0
  O  O12  1  0.381  0.951  0.082  1.0
  O  O13  1  0.951  0.381  0.582  1.0
  F  F14  1  0.308  0.694  0.253  1.0
  F  F15  1  0.340  0.681  0.582  1.0
  F  F16  1  0.694  0.308  0.753  1.0
  F  F17  1  0.681  0.340  0.082  1.0
  F  F18  1  0.990  0.326  0.252  1.0
  F  F19  1  0.021  0.338  0.916  1.0
  F  F20  1  0.661  0.990  0.586  1.0
  F  F21  1  0.326  0.990  0.752  1.0
  F  F22  1  0.338  0.021  0.416  1.0
  F  F23  1  0.990  0.661  0.086  1.0
  F  F24  1  0.005  0.693  0.753  1.0
  F  F25  1  0.022  0.648  0.412  1.0
  F  F26  1  0.332  0.624  0.917  1.0
  F  F27  1  0.648  0.022  0.912  1.0
  F  F28  1  0.693  0.005  0.253  1.0
  F  F29  1  0.624  0.332  0.417  1.0
[/CIF]
.
The material described by Li2Co4OF8 is Corundum-derived structured and crystallizes in the monoclinic Cc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one F(1), one F(3), one F(4), one F(6), one F(7), and one F(8) atom to form LiF6 octahedra that share corners with three equivalent Co(1)OF5 octahedra, corners with three equivalent Co(2)OF5 octahedra, corners with three equivalent Co(4)OF5 octahedra, edges with three equivalent Co(3)F6 octahedra, and  a faceface with one Li(2)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-64°. In the second Li site, Li(2) is bonded to one O(1), one F(1), one F(2), one F(3), one F(5), and one F(6) atom to form distorted LiOF5 octahedra that share corners with three equivalent Co(3)F6 octahedra, corners with three equivalent Co(2)OF5 octahedra, corners with three equivalent Co(4)OF5 octahedra, edges with three equivalent Co(1)OF5 octahedra, and  a faceface with one Li(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 46-63°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one F(1), one F(2), one F(3), one F(5), and one F(6) atom to form CoOF5 octahedra that share corners with three equivalent Li(1)F6 octahedra, corners with three equivalent Co(3)F6 octahedra, corners with three equivalent Co(4)OF5 octahedra, edges with three equivalent Li(2)OF5 octahedra, and  a faceface with one Co(2)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-62°. In the second Co site, Co(2) is bonded to one O(1), one F(2), one F(4), one F(5), one F(7), and one F(8) atom to form CoOF5 octahedra that share corners with three equivalent Li(1)F6 octahedra, corners with three equivalent Li(2)OF5 octahedra, corners with three equivalent Co(3)F6 octahedra, edges with three equivalent Co(4)OF5 octahedra, and  a faceface with one Co(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-64°. In the third Co site, Co(3) is bonded to one F(1), one F(3), one F(4), one F(6), one F(7), and one F(8) atom to form CoF6 octahedra that share corners with three equivalent Li(2)OF5 octahedra, corners with three equivalent Co(1)OF5 octahedra, corners with three equivalent Co(2)OF5 octahedra, edges with three equivalent Li(1)F6 octahedra, and  a faceface with one Co(4)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-62°. In the fourth Co site, Co(4) is bonded to one O(1), one F(2), one F(4), one F(5), one F(7), and one F(8) atom to form distorted CoOF5 octahedra that share corners with three equivalent Li(1)F6 octahedra, corners with three equivalent Li(2)OF5 octahedra, corners with three equivalent Co(1)OF5 octahedra, edges with three equivalent Co(2)OF5 octahedra, and  a faceface with one Co(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 44-63°. O(1) is bonded to one Li(2), one Co(1), one Co(2), and one Co(4) atom to form distorted OLiCo3 trigonal pyramids that share corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids,  an edgeedge with one F(1)Li2Co2 trigonal pyramid, and  an edgeedge with one F(7)LiCo3 trigonal pyramid. There are eight inequivalent F sites. In the first F site, F(3) is bonded to one Li(1), one Li(2), one Co(1), and one Co(3) atom to form distorted FLi2Co2 trigonal pyramids that share corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent F(1)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(7)LiCo3 trigonal pyramids,  an edgeedge with one F(1)Li2Co2 trigonal pyramid,  an edgeedge with one F(6)Li2Co2 trigonal pyramid, and  an edgeedge with one F(4)LiCo3 trigonal pyramid. In the second F site, F(4) is bonded to one Li(1), one Co(2), one Co(3), and one Co(4) atom to form distorted FLiCo3 trigonal pyramids that share corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent F(1)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(7)LiCo3 trigonal pyramids,  an edgeedge with one F(3)Li2Co2 trigonal pyramid, and  an edgeedge with one F(7)LiCo3 trigonal pyramid. In the third F site, F(5) is bonded in a 4-coordinate geometry to one Li(2), one Co(1), one Co(2), and one Co(4) atom. In the fourth F site, F(6) is bonded to one Li(1), one Li(2), one Co(1), and one Co(3) atom to form distorted FLi2Co2 trigonal pyramids that share corners with two equivalent O(1)LiCo3 trigonal pyramids, corners with two equivalent F(1)Li2Co2 trigonal pyramids, corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids, corners with two equivalent F(7)LiCo3 trigonal pyramids,  an edgeedge with one F(1)Li2Co2 trigonal pyramid, and  an edgeedge with one F(3)Li2Co2 trigonal pyramid. In the fifth F site, F(7) is bonded to one Li(1), one Co(2), one Co(3), and one Co(4) atom to form distorted FLiCo3 trigonal pyramids that share corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids,  an edgeedge with one O(1)LiCo3 trigonal pyramid,  an edgeedge with one F(1)Li2Co2 trigonal pyramid, and  an edgeedge with one F(4)LiCo3 trigonal pyramid. In the sixth F site, F(8) is bonded in a distorted see-saw-like geometry to one Li(1), one Co(2), one Co(3), and one Co(4) atom. In the seventh F site, F(1) is bonded to one Li(1), one Li(2), one Co(1), and one Co(3) atom to form distorted FLi2Co2 trigonal pyramids that share corners with two equivalent F(3)Li2Co2 trigonal pyramids, corners with two equivalent F(6)Li2Co2 trigonal pyramids, corners with two equivalent F(4)LiCo3 trigonal pyramids,  an edgeedge with one O(1)LiCo3 trigonal pyramid,  an edgeedge with one F(3)Li2Co2 trigonal pyramid,  an edgeedge with one F(6)Li2Co2 trigonal pyramid, and  an edgeedge with one F(7)LiCo3 trigonal pyramid. In the eighth F site, F(2) is bonded in a 4-coordinate geometry to one Li(2), one Co(1), one Co(2), and one Co(4) atom. is represented by the CIF file [CIF]
data_Li2Co4OF8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.266
_cell_length_b   5.266
_cell_length_c   14.153
_cell_angle_alpha   89.249
_cell_angle_beta   89.249
_cell_angle_gamma   58.774
_symmetry_Int_Tables_number   1
_cell_volume   335.542
_cell_formula_units_Z   2
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
  Li  Li0  1  0.005  0.997  0.848  1.0
  Li  Li1  1  0.991  0.022  0.643  1.0
  Li  Li2  1  0.997  0.005  0.348  1.0
  Li  Li3  1  0.022  0.991  0.143  1.0
  Co  Co4  1  0.687  0.654  0.681  1.0
  Co  Co5  1  0.651  0.673  0.985  1.0
  Co  Co6  1  0.654  0.687  0.181  1.0
  Co  Co7  1  0.673  0.651  0.485  1.0
  Co  Co8  1  0.336  0.329  0.814  1.0
  Co  Co9  1  0.329  0.336  0.314  1.0
  Co  Co10  1  0.347  0.303  0.027  1.0
  Co  Co11  1  0.303  0.347  0.527  1.0
  O  O12  1  0.381  0.951  0.082  1.0
  O  O13  1  0.951  0.381  0.582  1.0
  F  F14  1  0.308  0.694  0.253  1.0
  F  F15  1  0.340  0.681  0.582  1.0
  F  F16  1  0.694  0.308  0.753  1.0
  F  F17  1  0.681  0.340  0.082  1.0
  F  F18  1  0.990  0.326  0.252  1.0
  F  F19  1  0.021  0.338  0.916  1.0
  F  F20  1  0.661  0.990  0.586  1.0
  F  F21  1  0.326  0.990  0.752  1.0
  F  F22  1  0.338  0.021  0.416  1.0
  F  F23  1  0.990  0.661  0.086  1.0
  F  F24  1  0.005  0.693  0.753  1.0
  F  F25  1  0.022  0.648  0.412  1.0
  F  F26  1  0.332  0.624  0.917  1.0
  F  F27  1  0.648  0.022  0.912  1.0
  F  F28  1  0.693  0.005  0.253  1.0
  F  F29  1  0.624  0.332  0.417  1.0
[/CIF]
.