The structure described by ZnCo2O4 crystallizes in the monoclinic C2/m space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), two equivalent O(1), and three equivalent O(3) atoms to form distorted CoO6 octahedra that share corners with two equivalent Zn(1)O5 square pyramids, edges with four equivalent Co(1)O6 octahedra, and edges with three equivalent Zn(1)O5 square pyramids. In the second Co site, Co(2) is bonded in a 6-coordinate geometry to one O(1), two equivalent O(2), and three equivalent O(4) atoms. Zn(1) is bonded to one O(1), two equivalent O(3), and two equivalent O(4) atoms to form ZnO5 square pyramids that share corners with two equivalent Co(1)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, and edges with two equivalent Zn(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 10°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Co(2), two equivalent Co(1), and one Zn(1) atom to form OZnCo3 trigonal pyramids that share corners with two equivalent O(3)Zn2Co3 square pyramids, corners with two equivalent O(1)ZnCo3 trigonal pyramids, and edges with three equivalent O(3)Zn2Co3 square pyramids. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1) and two equivalent Co(2) atoms. In the third O site, O(3) is bonded to three equivalent Co(1) and two equivalent Zn(1) atoms to form OZn2Co3 square pyramids that share corners with two equivalent O(1)ZnCo3 trigonal pyramids, edges with four equivalent O(3)Zn2Co3 square pyramids, and edges with three equivalent O(1)ZnCo3 trigonal pyramids. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to three equivalent Co(2) and two equivalent Zn(1) atoms. is represented by the CIF card [CIF]
data_Zn(CoO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.471
_cell_length_b   7.471
_cell_length_c   9.122
_cell_angle_alpha   53.122
_cell_angle_beta   53.122
_cell_angle_gamma   23.303
_symmetry_Int_Tables_number   1
_cell_volume   159.182
_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
  Zn  Zn0  1  0.676  0.676  0.313  1.0
  Zn  Zn1  1  0.324  0.324  0.687  1.0
  Co  Co2  1  0.369  0.369  0.955  1.0
  Co  Co3  1  0.868  0.868  0.309  1.0
  Co  Co4  1  0.132  0.132  0.691  1.0
  Co  Co5  1  0.631  0.631  0.045  1.0
  O  O6  1  0.144  0.144  0.891  1.0
  O  O7  1  0.529  0.529  0.768  1.0
  O  O8  1  0.471  0.471  0.232  1.0
  O  O9  1  0.856  0.856  0.109  1.0
  O  O10  1  0.832  0.832  0.838  1.0
  O  O11  1  0.200  0.200  0.438  1.0
  O  O12  1  0.168  0.168  0.162  1.0
  O  O13  1  0.800  0.800  0.562  1.0
[/CIF]
.
The structure described by ZnCo2O4 crystallizes in the monoclinic C2/m space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), two equivalent O(1), and three equivalent O(3) atoms to form distorted CoO6 octahedra that share corners with two equivalent Zn(1)O5 square pyramids, edges with four equivalent Co(1)O6 octahedra, and edges with three equivalent Zn(1)O5 square pyramids. In the second Co site, Co(2) is bonded in a 6-coordinate geometry to one O(1), two equivalent O(2), and three equivalent O(4) atoms. Zn(1) is bonded to one O(1), two equivalent O(3), and two equivalent O(4) atoms to form ZnO5 square pyramids that share corners with two equivalent Co(1)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, and edges with two equivalent Zn(1)O5 square pyramids. The corner-sharing octahedral tilt angles are 10°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Co(2), two equivalent Co(1), and one Zn(1) atom to form OZnCo3 trigonal pyramids that share corners with two equivalent O(3)Zn2Co3 square pyramids, corners with two equivalent O(1)ZnCo3 trigonal pyramids, and edges with three equivalent O(3)Zn2Co3 square pyramids. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(1) and two equivalent Co(2) atoms. In the third O site, O(3) is bonded to three equivalent Co(1) and two equivalent Zn(1) atoms to form OZn2Co3 square pyramids that share corners with two equivalent O(1)ZnCo3 trigonal pyramids, edges with four equivalent O(3)Zn2Co3 square pyramids, and edges with three equivalent O(1)ZnCo3 trigonal pyramids. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to three equivalent Co(2) and two equivalent Zn(1) atoms. is represented by the CIF card [CIF]
data_Zn(CoO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.471
_cell_length_b   7.471
_cell_length_c   9.122
_cell_angle_alpha   53.122
_cell_angle_beta   53.122
_cell_angle_gamma   23.303
_symmetry_Int_Tables_number   1
_cell_volume   159.182
_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
  Zn  Zn0  1  0.676  0.676  0.313  1.0
  Zn  Zn1  1  0.324  0.324  0.687  1.0
  Co  Co2  1  0.369  0.369  0.955  1.0
  Co  Co3  1  0.868  0.868  0.309  1.0
  Co  Co4  1  0.132  0.132  0.691  1.0
  Co  Co5  1  0.631  0.631  0.045  1.0
  O  O6  1  0.144  0.144  0.891  1.0
  O  O7  1  0.529  0.529  0.768  1.0
  O  O8  1  0.471  0.471  0.232  1.0
  O  O9  1  0.856  0.856  0.109  1.0
  O  O10  1  0.832  0.832  0.838  1.0
  O  O11  1  0.200  0.200  0.438  1.0
  O  O12  1  0.168  0.168  0.162  1.0
  O  O13  1  0.800  0.800  0.562  1.0
[/CIF]
.