The compound described by Li4Co7(OF7)2 is beta indium sulfide-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one F(1), one F(2), one F(3), and one F(4) atom to form LiF4 trigonal pyramids that share  a cornercorner with one Co(1)F6 octahedra,  a cornercorner with one Co(3)F6 octahedra, corners with three equivalent Co(2)OF5 octahedra,  an edgeedge with one Co(1)F6 octahedra, and  an edgeedge with one Co(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 57-71°. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one F(5), one F(6), and one F(7) atom. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent F(1), two equivalent F(2), and two equivalent F(4) atoms to form CoF6 octahedra that share corners with four equivalent Co(2)OF5 octahedra, corners with two equivalent Li(1)F4 trigonal pyramids, edges with two equivalent Co(3)F6 octahedra, and edges with two equivalent Li(1)F4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 44-52°. In the second Co site, Co(2) is bonded to one O(1), one F(1), one F(3), one F(4), one F(5), and one F(6) atom to form CoOF5 octahedra that share corners with two equivalent Co(1)F6 octahedra, corners with four equivalent Co(3)F6 octahedra, corners with three equivalent Li(1)F4 trigonal pyramids,  an edgeedge with one Co(4)O2F4 octahedra, and  an edgeedge with one Co(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. In the third Co site, Co(3) is bonded to one F(2), one F(3), one F(4), one F(5), one F(6), and one F(7) atom to form CoF6 octahedra that share corners with two equivalent Co(4)O2F4 octahedra, corners with two equivalent Co(5)O2F4 octahedra, corners with four equivalent Co(2)OF5 octahedra,  a cornercorner with one Li(1)F4 trigonal pyramid,  an edgeedge with one Co(1)F6 octahedra, and  an edgeedge with one Li(1)F4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 45-52°. In the fourth Co site, Co(4) is bonded to two equivalent O(1), two equivalent F(6), and two equivalent F(7) atoms to form CoO2F4 octahedra that share corners with four equivalent Co(3)F6 octahedra, edges with two equivalent Co(5)O2F4 octahedra, and edges with two equivalent Co(2)OF5 octahedra. The corner-sharing octahedral tilt angles are 52°. In the fifth Co site, Co(5) is bonded to two equivalent O(1), two equivalent F(5), and two equivalent F(7) atoms to form CoO2F4 octahedra that share corners with four equivalent Co(3)F6 octahedra, edges with two equivalent Co(4)O2F4 octahedra, and edges with two equivalent Co(2)OF5 octahedra. The corner-sharing octahedral tilt angles are 51°. O(1) is bonded to one Li(2), one Co(2), one Co(4), and one Co(5) atom to form corner-sharing OLiCo3 tetrahedra. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(1), and one Co(2) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Li(1), one Co(1), and one Co(3) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(2), and one Co(3) atom. In the fourth F site, F(4) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(1), one Co(2), and one Co(3) atom. In the fifth F site, F(5) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(2), one Co(3), and one Co(5) atom. In the sixth F site, F(6) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(2), one Co(3), and one Co(4) atom. In the seventh F site, F(7) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(3), one Co(4), and one Co(5) atom. is represented by the CIF card [CIF]
data_Li4Co7(OF7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.102
_cell_length_b   5.953
_cell_length_c   10.502
_cell_angle_alpha   92.410
_cell_angle_beta   91.053
_cell_angle_gamma   90.962
_symmetry_Int_Tables_number   1
_cell_volume   318.574
_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
  Li  Li0  1  0.543  0.236  0.081  1.0
  Li  Li1  1  0.025  0.742  0.407  1.0
  Li  Li2  1  0.975  0.258  0.593  1.0
  Li  Li3  1  0.457  0.764  0.919  1.0
  Co  Co4  1  0.000  0.500  0.000  1.0
  Co  Co5  1  0.495  0.746  0.242  1.0
  Co  Co6  1  0.988  0.234  0.258  1.0
  Co  Co7  1  0.500  0.000  0.500  1.0
  Co  Co8  1  0.500  0.500  0.500  1.0
  Co  Co9  1  0.012  0.766  0.742  1.0
  Co  Co10  1  0.505  0.254  0.758  1.0
  O  O11  1  0.662  0.746  0.413  1.0
  O  O12  1  0.338  0.254  0.587  1.0
  F  F13  1  0.295  0.712  0.076  1.0
  F  F14  1  0.182  0.255  0.091  1.0
  F  F15  1  0.710  0.018  0.179  1.0
  F  F16  1  0.757  0.486  0.165  1.0
  F  F17  1  0.226  0.496  0.332  1.0
  F  F18  1  0.219  0.980  0.330  1.0
  F  F19  1  0.788  0.247  0.431  1.0
  F  F20  1  0.212  0.753  0.569  1.0
  F  F21  1  0.781  0.020  0.670  1.0
  F  F22  1  0.774  0.504  0.668  1.0
  F  F23  1  0.243  0.514  0.835  1.0
  F  F24  1  0.290  0.982  0.821  1.0
  F  F25  1  0.818  0.745  0.909  1.0
  F  F26  1  0.705  0.288  0.924  1.0
[/CIF]
.
The compound described by Li4Co7(OF7)2 is beta indium sulfide-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one F(1), one F(2), one F(3), and one F(4) atom to form LiF4 trigonal pyramids that share  a cornercorner with one Co(1)F6 octahedra,  a cornercorner with one Co(3)F6 octahedra, corners with three equivalent Co(2)OF5 octahedra,  an edgeedge with one Co(1)F6 octahedra, and  an edgeedge with one Co(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 57-71°. In the second Li site, Li(2) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one F(5), one F(6), and one F(7) atom. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent F(1), two equivalent F(2), and two equivalent F(4) atoms to form CoF6 octahedra that share corners with four equivalent Co(2)OF5 octahedra, corners with two equivalent Li(1)F4 trigonal pyramids, edges with two equivalent Co(3)F6 octahedra, and edges with two equivalent Li(1)F4 trigonal pyramids. The corner-sharing octahedral tilt angles range from 44-52°. In the second Co site, Co(2) is bonded to one O(1), one F(1), one F(3), one F(4), one F(5), and one F(6) atom to form CoOF5 octahedra that share corners with two equivalent Co(1)F6 octahedra, corners with four equivalent Co(3)F6 octahedra, corners with three equivalent Li(1)F4 trigonal pyramids,  an edgeedge with one Co(4)O2F4 octahedra, and  an edgeedge with one Co(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 44-52°. In the third Co site, Co(3) is bonded to one F(2), one F(3), one F(4), one F(5), one F(6), and one F(7) atom to form CoF6 octahedra that share corners with two equivalent Co(4)O2F4 octahedra, corners with two equivalent Co(5)O2F4 octahedra, corners with four equivalent Co(2)OF5 octahedra,  a cornercorner with one Li(1)F4 trigonal pyramid,  an edgeedge with one Co(1)F6 octahedra, and  an edgeedge with one Li(1)F4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 45-52°. In the fourth Co site, Co(4) is bonded to two equivalent O(1), two equivalent F(6), and two equivalent F(7) atoms to form CoO2F4 octahedra that share corners with four equivalent Co(3)F6 octahedra, edges with two equivalent Co(5)O2F4 octahedra, and edges with two equivalent Co(2)OF5 octahedra. The corner-sharing octahedral tilt angles are 52°. In the fifth Co site, Co(5) is bonded to two equivalent O(1), two equivalent F(5), and two equivalent F(7) atoms to form CoO2F4 octahedra that share corners with four equivalent Co(3)F6 octahedra, edges with two equivalent Co(4)O2F4 octahedra, and edges with two equivalent Co(2)OF5 octahedra. The corner-sharing octahedral tilt angles are 51°. O(1) is bonded to one Li(2), one Co(2), one Co(4), and one Co(5) atom to form corner-sharing OLiCo3 tetrahedra. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(1), and one Co(2) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Li(1), one Co(1), and one Co(3) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Li(1), one Co(2), and one Co(3) atom. In the fourth F site, F(4) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(1), one Co(2), and one Co(3) atom. In the fifth F site, F(5) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(2), one Co(3), and one Co(5) atom. In the sixth F site, F(6) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(2), one Co(3), and one Co(4) atom. In the seventh F site, F(7) is bonded in a rectangular see-saw-like geometry to one Li(2), one Co(3), one Co(4), and one Co(5) atom. is represented by the CIF card [CIF]
data_Li4Co7(OF7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.102
_cell_length_b   5.953
_cell_length_c   10.502
_cell_angle_alpha   92.410
_cell_angle_beta   91.053
_cell_angle_gamma   90.962
_symmetry_Int_Tables_number   1
_cell_volume   318.574
_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
  Li  Li0  1  0.543  0.236  0.081  1.0
  Li  Li1  1  0.025  0.742  0.407  1.0
  Li  Li2  1  0.975  0.258  0.593  1.0
  Li  Li3  1  0.457  0.764  0.919  1.0
  Co  Co4  1  0.000  0.500  0.000  1.0
  Co  Co5  1  0.495  0.746  0.242  1.0
  Co  Co6  1  0.988  0.234  0.258  1.0
  Co  Co7  1  0.500  0.000  0.500  1.0
  Co  Co8  1  0.500  0.500  0.500  1.0
  Co  Co9  1  0.012  0.766  0.742  1.0
  Co  Co10  1  0.505  0.254  0.758  1.0
  O  O11  1  0.662  0.746  0.413  1.0
  O  O12  1  0.338  0.254  0.587  1.0
  F  F13  1  0.295  0.712  0.076  1.0
  F  F14  1  0.182  0.255  0.091  1.0
  F  F15  1  0.710  0.018  0.179  1.0
  F  F16  1  0.757  0.486  0.165  1.0
  F  F17  1  0.226  0.496  0.332  1.0
  F  F18  1  0.219  0.980  0.330  1.0
  F  F19  1  0.788  0.247  0.431  1.0
  F  F20  1  0.212  0.753  0.569  1.0
  F  F21  1  0.781  0.020  0.670  1.0
  F  F22  1  0.774  0.504  0.668  1.0
  F  F23  1  0.243  0.514  0.835  1.0
  F  F24  1  0.290  0.982  0.821  1.0
  F  F25  1  0.818  0.745  0.909  1.0
  F  F26  1  0.705  0.288  0.924  1.0
[/CIF]
.