The compound described by Li3Co(NiO2)4 is beta Polonium-derived structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent Li sites. In the first Li site, Li(1) 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 Ni(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-10°. In the second Li site, Li(2) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. Co(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CoO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-10°. In the second Ni site, Ni(2) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form NiO6 octahedra that share corners with six equivalent Ni(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-9°. In the third Ni site, Ni(3) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form NiO6 octahedra that share corners with six equivalent Ni(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-9°. There are three inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Co(1), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2CoNi3 octahedra that share corners with six equivalent O(1)Li2CoNi3 octahedra, edges with four equivalent O(1)Li2CoNi3 octahedra, edges with four equivalent O(3)Li2Ni4 octahedra, and edges with four equivalent O(2)Li3CoNi2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(1), one Co(1), and two equivalent Ni(1) atoms to form OLi3CoNi2 octahedra that share corners with six equivalent O(2)Li3CoNi2 octahedra, edges with four equivalent O(3)Li2Ni4 octahedra, and edges with eight equivalent O(1)Li2CoNi3 octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded to two equivalent Li(1), one Ni(2), one Ni(3), and two equivalent Ni(1) atoms to form OLi2Ni4 octahedra that share corners with six equivalent O(3)Li2Ni4 octahedra, edges with four equivalent O(2)Li3CoNi2 octahedra, and edges with eight equivalent O(1)Li2CoNi3 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF file [CIF]
data_Li3Co(NiO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.833
_cell_length_b   5.833
_cell_length_c   5.810
_cell_angle_alpha   60.147
_cell_angle_beta   60.147
_cell_angle_gamma   59.145
_symmetry_Int_Tables_number   1
_cell_volume   139.165
_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  0.000  0.500  0.500  1.0
  Li  Li1  1  0.000  0.000  0.500  1.0
  Li  Li2  1  0.500  0.000  0.500  1.0
  Co  Co3  1  0.500  0.500  0.000  1.0
  Ni  Ni4  1  0.500  0.000  0.000  1.0
  Ni  Ni5  1  0.000  0.000  0.000  1.0
  Ni  Ni6  1  0.500  0.500  0.500  1.0
  Ni  Ni7  1  0.000  0.500  0.000  1.0
  O  O8  1  0.264  0.737  0.762  1.0
  O  O9  1  0.736  0.263  0.238  1.0
  O  O10  1  0.270  0.270  0.212  1.0
  O  O11  1  0.730  0.730  0.788  1.0
  O  O12  1  0.250  0.250  0.779  1.0
  O  O13  1  0.750  0.750  0.221  1.0
  O  O14  1  0.737  0.264  0.762  1.0
  O  O15  1  0.263  0.736  0.238  1.0
[/CIF]
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The compound described by Li3Co(NiO2)4 is beta Polonium-derived structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent Li sites. In the first Li site, Li(1) 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 Ni(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-10°. In the second Li site, Li(2) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. Co(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CoO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form NiO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-10°. In the second Ni site, Ni(2) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form NiO6 octahedra that share corners with six equivalent Ni(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-9°. In the third Ni site, Ni(3) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form NiO6 octahedra that share corners with six equivalent Ni(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-9°. There are three inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Co(1), one Ni(1), one Ni(2), and one Ni(3) atom to form OLi2CoNi3 octahedra that share corners with six equivalent O(1)Li2CoNi3 octahedra, edges with four equivalent O(1)Li2CoNi3 octahedra, edges with four equivalent O(3)Li2Ni4 octahedra, and edges with four equivalent O(2)Li3CoNi2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(1), one Co(1), and two equivalent Ni(1) atoms to form OLi3CoNi2 octahedra that share corners with six equivalent O(2)Li3CoNi2 octahedra, edges with four equivalent O(3)Li2Ni4 octahedra, and edges with eight equivalent O(1)Li2CoNi3 octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded to two equivalent Li(1), one Ni(2), one Ni(3), and two equivalent Ni(1) atoms to form OLi2Ni4 octahedra that share corners with six equivalent O(3)Li2Ni4 octahedra, edges with four equivalent O(2)Li3CoNi2 octahedra, and edges with eight equivalent O(1)Li2CoNi3 octahedra. The corner-sharing octahedra are not tilted. is represented by the CIF file [CIF]
data_Li3Co(NiO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.833
_cell_length_b   5.833
_cell_length_c   5.810
_cell_angle_alpha   60.147
_cell_angle_beta   60.147
_cell_angle_gamma   59.145
_symmetry_Int_Tables_number   1
_cell_volume   139.165
_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  0.000  0.500  0.500  1.0
  Li  Li1  1  0.000  0.000  0.500  1.0
  Li  Li2  1  0.500  0.000  0.500  1.0
  Co  Co3  1  0.500  0.500  0.000  1.0
  Ni  Ni4  1  0.500  0.000  0.000  1.0
  Ni  Ni5  1  0.000  0.000  0.000  1.0
  Ni  Ni6  1  0.500  0.500  0.500  1.0
  Ni  Ni7  1  0.000  0.500  0.000  1.0
  O  O8  1  0.264  0.737  0.762  1.0
  O  O9  1  0.736  0.263  0.238  1.0
  O  O10  1  0.270  0.270  0.212  1.0
  O  O11  1  0.730  0.730  0.788  1.0
  O  O12  1  0.250  0.250  0.779  1.0
  O  O13  1  0.750  0.750  0.221  1.0
  O  O14  1  0.737  0.264  0.762  1.0
  O  O15  1  0.263  0.736  0.238  1.0
[/CIF]
.