The material described by Li5Co3O8 is Caswellsilverite-like structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form LiO6 octahedra that share corners with three equivalent Li(3)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. In the second Li site, Li(2) is bonded to one O(1), one O(3), two equivalent O(2), and two equivalent O(4) atoms to form LiO6 octahedra that share corners with three equivalent Co(1)O6 octahedra, corners with three equivalent Co(2)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form LiO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-12°. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the second Co site, Co(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the third Co site, Co(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-11°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Co(1), and one Co(3) atom to form OLi4Co2 octahedra that share corners with three equivalent O(1)Li4Co2 octahedra, corners with three equivalent O(3)Li4Co2 octahedra,  an edgeedge with one O(1)Li4Co2 octahedra, edges with three equivalent O(3)Li4Co2 octahedra, edges with four equivalent O(4)Li3Co3 octahedra, and edges with four equivalent O(2)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the second O site, O(2) is bonded to one Li(1), one Li(3), two equivalent Li(2), one Co(1), and one Co(2) atom to form OLi4Co2 octahedra that share corners with three equivalent O(4)Li3Co3 octahedra, corners with three equivalent O(2)Li4Co2 octahedra,  an edgeedge with one O(2)Li4Co2 octahedra, edges with three equivalent O(4)Li3Co3 octahedra, edges with four equivalent O(1)Li4Co2 octahedra, and edges with four equivalent O(3)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Co(2), and one Co(3) atom to form OLi4Co2 octahedra that share corners with three equivalent O(1)Li4Co2 octahedra, corners with three equivalent O(3)Li4Co2 octahedra,  an edgeedge with one O(3)Li4Co2 octahedra, edges with three equivalent O(1)Li4Co2 octahedra, edges with four equivalent O(4)Li3Co3 octahedra, and edges with four equivalent O(2)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the fourth O site, O(4) is bonded to one Li(1), two equivalent Li(2), one Co(1), one Co(2), and one Co(3) atom to form OLi3Co3 octahedra that share corners with three equivalent O(4)Li3Co3 octahedra, corners with three equivalent O(2)Li4Co2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra, edges with three equivalent O(2)Li4Co2 octahedra, edges with four equivalent O(1)Li4Co2 octahedra, and edges with four equivalent O(3)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. is represented by the CIF card [CIF]
data_Li5Co3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.031
_cell_length_b   5.750
_cell_length_c   5.790
_cell_angle_alpha   60.483
_cell_angle_beta   74.380
_cell_angle_gamma   73.754
_symmetry_Int_Tables_number   1
_cell_volume   138.168
_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  0.496  0.756  0.248  1.0
  Li  Li1  1  0.497  0.756  0.747  1.0
  Li  Li2  1  0.504  0.244  0.752  1.0
  Li  Li3  1  0.503  0.244  0.253  1.0
  Li  Li4  1  0.000  0.000  0.500  1.0
  Co  Co5  1  0.000  0.000  0.000  1.0
  Co  Co6  1  0.000  0.500  0.500  1.0
  Co  Co7  1  0.000  0.500  0.000  1.0
  O  O8  1  0.778  0.867  0.888  1.0
  O  O9  1  0.783  0.867  0.351  1.0
  O  O10  1  0.780  0.391  0.377  1.0
  O  O11  1  0.762  0.356  0.885  1.0
  O  O12  1  0.220  0.609  0.623  1.0
  O  O13  1  0.238  0.644  0.115  1.0
  O  O14  1  0.222  0.133  0.112  1.0
  O  O15  1  0.217  0.133  0.649  1.0
[/CIF]
.
The material described by Li5Co3O8 is Caswellsilverite-like structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form LiO6 octahedra that share corners with three equivalent Li(3)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. In the second Li site, Li(2) is bonded to one O(1), one O(3), two equivalent O(2), and two equivalent O(4) atoms to form LiO6 octahedra that share corners with three equivalent Co(1)O6 octahedra, corners with three equivalent Co(2)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-10°. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form LiO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-12°. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the second Co site, Co(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-10°. In the third Co site, Co(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-11°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Co(1), and one Co(3) atom to form OLi4Co2 octahedra that share corners with three equivalent O(1)Li4Co2 octahedra, corners with three equivalent O(3)Li4Co2 octahedra,  an edgeedge with one O(1)Li4Co2 octahedra, edges with three equivalent O(3)Li4Co2 octahedra, edges with four equivalent O(4)Li3Co3 octahedra, and edges with four equivalent O(2)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the second O site, O(2) is bonded to one Li(1), one Li(3), two equivalent Li(2), one Co(1), and one Co(2) atom to form OLi4Co2 octahedra that share corners with three equivalent O(4)Li3Co3 octahedra, corners with three equivalent O(2)Li4Co2 octahedra,  an edgeedge with one O(2)Li4Co2 octahedra, edges with three equivalent O(4)Li3Co3 octahedra, edges with four equivalent O(1)Li4Co2 octahedra, and edges with four equivalent O(3)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Co(2), and one Co(3) atom to form OLi4Co2 octahedra that share corners with three equivalent O(1)Li4Co2 octahedra, corners with three equivalent O(3)Li4Co2 octahedra,  an edgeedge with one O(3)Li4Co2 octahedra, edges with three equivalent O(1)Li4Co2 octahedra, edges with four equivalent O(4)Li3Co3 octahedra, and edges with four equivalent O(2)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the fourth O site, O(4) is bonded to one Li(1), two equivalent Li(2), one Co(1), one Co(2), and one Co(3) atom to form OLi3Co3 octahedra that share corners with three equivalent O(4)Li3Co3 octahedra, corners with three equivalent O(2)Li4Co2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra, edges with three equivalent O(2)Li4Co2 octahedra, edges with four equivalent O(1)Li4Co2 octahedra, and edges with four equivalent O(3)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. is represented by the CIF card [CIF]
data_Li5Co3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.031
_cell_length_b   5.750
_cell_length_c   5.790
_cell_angle_alpha   60.483
_cell_angle_beta   74.380
_cell_angle_gamma   73.754
_symmetry_Int_Tables_number   1
_cell_volume   138.168
_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  0.496  0.756  0.248  1.0
  Li  Li1  1  0.497  0.756  0.747  1.0
  Li  Li2  1  0.504  0.244  0.752  1.0
  Li  Li3  1  0.503  0.244  0.253  1.0
  Li  Li4  1  0.000  0.000  0.500  1.0
  Co  Co5  1  0.000  0.000  0.000  1.0
  Co  Co6  1  0.000  0.500  0.500  1.0
  Co  Co7  1  0.000  0.500  0.000  1.0
  O  O8  1  0.778  0.867  0.888  1.0
  O  O9  1  0.783  0.867  0.351  1.0
  O  O10  1  0.780  0.391  0.377  1.0
  O  O11  1  0.762  0.356  0.885  1.0
  O  O12  1  0.220  0.609  0.623  1.0
  O  O13  1  0.238  0.644  0.115  1.0
  O  O14  1  0.222  0.133  0.112  1.0
  O  O15  1  0.217  0.133  0.649  1.0
[/CIF]
.