The material described by Co3Zn2O8 crystallizes in the triclinic P1 space group. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(11), one O(13), one O(15), one O(4), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra,  a cornercorner with one Zn(4)O4 tetrahedra, corners with two equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the second Co site, Co(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(2), and one O(3) atom to form CoO6 octahedra that share corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 tetrahedra, corners with two equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Zn(1)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(13), one O(15), one O(5), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra,  a cornercorner with one Zn(4)O4 tetrahedra, corners with two equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-56°. In the fourth Co site, Co(4) is bonded to one O(12), one O(14), one O(16), one O(2), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 tetrahedra, corners with two equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Zn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the fifth Co site, Co(5) is bonded to one O(10), one O(12), one O(16), one O(3), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 tetrahedra, corners with two equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Zn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. In the sixth Co site, Co(6) is bonded to one O(11), one O(13), one O(4), one O(5), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra,  a cornercorner with one Zn(4)O4 tetrahedra, corners with two equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(10), one O(14), one O(4), one O(5), and one O(7) atom to form ZnO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, corners with three equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, and  an edgeedge with one Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the second Zn site, Zn(2) is bonded to one O(15), one O(2), one O(3), one O(6), one O(8), and one O(9) atom to form ZnO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with three equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, and  an edgeedge with one Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. In the third Zn site, Zn(3) is bonded to one O(15), one O(16), one O(8), and one O(9) atom to form ZnO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, and corners with three equivalent Zn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-66°. In the fourth Zn site, Zn(4) is bonded to one O(10), one O(13), one O(14), and one O(7) atom to form ZnO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, and corners with three equivalent Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-65°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(3), and one Zn(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(4), and one Zn(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(2), one Co(5), and one Zn(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(1), one Co(6), and one Zn(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(3), one Co(6), and one Zn(1) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(4), one Co(5), and one Zn(2) atom. In the seventh O site, O(7) is bonded to one Co(4), one Co(5), one Zn(1), and one Zn(4) atom to form a mixture of edge and corner-sharing OZn2Co2 tetrahedra. In the eighth O site, O(8) is bonded to one Co(3), one Co(6), one Zn(2), and one Zn(3) atom to form a mixture of edge and corner-sharing OZn2Co2 tetrahedra. In the ninth O site, O(9) is bonded to one Co(1), one Co(6), one Zn(2), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZn2Co2 tetrahedra. In the tenth O site, O(10) is bonded to one Co(2), one Co(5), one Zn(1), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZn2Co2 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Co(1), one Co(3), and one Co(6) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Co(2), one Co(4), and one Co(5) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Co(1), one Co(3), one Co(6), and one Zn(4) atom. In the fourteenth O site, O(14) is bonded to one Co(2), one Co(4), one Zn(1), and one Zn(4) atom to form a mixture of edge and corner-sharing OZn2Co2 tetrahedra. In the fifteenth O site, O(15) is bonded to one Co(1), one Co(3), one Zn(2), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZn2Co2 tetrahedra. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(4), one Co(5), and one Zn(3) atom. is represented by the CIF file [CIF]
data_Zn2Co3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.847
_cell_length_b   5.741
_cell_length_c   9.363
_cell_angle_alpha   90.020
_cell_angle_beta   89.334
_cell_angle_gamma   120.380
_symmetry_Int_Tables_number   1
_cell_volume   271.138
_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  0.664  0.336  0.028  1.0
  Zn  Zn1  1  0.334  0.667  0.530  1.0
  Zn  Zn2  1  0.667  0.338  0.425  1.0
  Zn  Zn3  1  0.326  0.661  0.922  1.0
  Co  Co4  1  0.669  0.836  0.244  1.0
  Co  Co5  1  0.838  0.162  0.745  1.0
  Co  Co6  1  0.158  0.322  0.241  1.0
  Co  Co7  1  0.837  0.673  0.744  1.0
  Co  Co8  1  0.330  0.164  0.745  1.0
  Co  Co9  1  0.163  0.833  0.245  1.0
  O  O10  1  0.818  0.138  0.138  1.0
  O  O11  1  0.690  0.844  0.646  1.0
  O  O12  1  0.164  0.319  0.652  1.0
  O  O13  1  0.849  0.680  0.152  1.0
  O  O14  1  0.313  0.158  0.144  1.0
  O  O15  1  0.156  0.845  0.645  1.0
  O  O16  1  0.521  0.483  0.861  1.0
  O  O17  1  0.039  0.514  0.362  1.0
  O  O18  1  0.472  0.965  0.358  1.0
  O  O19  1  0.514  0.036  0.857  1.0
  O  O20  1  0.031  0.017  0.353  1.0
  O  O21  1  0.013  0.990  0.855  1.0
  O  O22  1  0.309  0.652  0.133  1.0
  O  O23  1  0.958  0.483  0.859  1.0
  O  O24  1  0.504  0.545  0.367  1.0
  O  O25  1  0.660  0.341  0.634  1.0
[/CIF]
.
The material described by Co3Zn2O8 crystallizes in the triclinic P1 space group. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(11), one O(13), one O(15), one O(4), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra,  a cornercorner with one Zn(4)O4 tetrahedra, corners with two equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the second Co site, Co(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(2), and one O(3) atom to form CoO6 octahedra that share corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 tetrahedra, corners with two equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Zn(1)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the third Co site, Co(3) is bonded to one O(1), one O(11), one O(13), one O(15), one O(5), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra,  a cornercorner with one Zn(4)O4 tetrahedra, corners with two equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-56°. In the fourth Co site, Co(4) is bonded to one O(12), one O(14), one O(16), one O(2), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 tetrahedra, corners with two equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Zn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. In the fifth Co site, Co(5) is bonded to one O(10), one O(12), one O(16), one O(3), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Zn(2)O6 octahedra,  a cornercorner with one Zn(3)O4 tetrahedra, corners with two equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Zn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. In the sixth Co site, Co(6) is bonded to one O(11), one O(13), one O(4), one O(5), one O(8), and one O(9) atom to form CoO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra,  a cornercorner with one Zn(4)O4 tetrahedra, corners with two equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(10), one O(14), one O(4), one O(5), and one O(7) atom to form ZnO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, corners with three equivalent Zn(4)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, and  an edgeedge with one Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. In the second Zn site, Zn(2) is bonded to one O(15), one O(2), one O(3), one O(6), one O(8), and one O(9) atom to form ZnO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with three equivalent Zn(3)O4 tetrahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, and  an edgeedge with one Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-54°. In the third Zn site, Zn(3) is bonded to one O(15), one O(16), one O(8), and one O(9) atom to form ZnO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(4)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, and corners with three equivalent Zn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-66°. In the fourth Zn site, Zn(4) is bonded to one O(10), one O(13), one O(14), and one O(7) atom to form ZnO4 tetrahedra that share  a cornercorner with one Co(1)O6 octahedra,  a cornercorner with one Co(3)O6 octahedra,  a cornercorner with one Co(6)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(4)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, and corners with three equivalent Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-65°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(3), and one Zn(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(4), and one Zn(2) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(2), one Co(5), and one Zn(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(1), one Co(6), and one Zn(1) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Co(3), one Co(6), and one Zn(1) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Co(4), one Co(5), and one Zn(2) atom. In the seventh O site, O(7) is bonded to one Co(4), one Co(5), one Zn(1), and one Zn(4) atom to form a mixture of edge and corner-sharing OZn2Co2 tetrahedra. In the eighth O site, O(8) is bonded to one Co(3), one Co(6), one Zn(2), and one Zn(3) atom to form a mixture of edge and corner-sharing OZn2Co2 tetrahedra. In the ninth O site, O(9) is bonded to one Co(1), one Co(6), one Zn(2), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZn2Co2 tetrahedra. In the tenth O site, O(10) is bonded to one Co(2), one Co(5), one Zn(1), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZn2Co2 tetrahedra. In the eleventh O site, O(11) is bonded in a distorted T-shaped geometry to one Co(1), one Co(3), and one Co(6) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Co(2), one Co(4), and one Co(5) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Co(1), one Co(3), one Co(6), and one Zn(4) atom. In the fourteenth O site, O(14) is bonded to one Co(2), one Co(4), one Zn(1), and one Zn(4) atom to form a mixture of edge and corner-sharing OZn2Co2 tetrahedra. In the fifteenth O site, O(15) is bonded to one Co(1), one Co(3), one Zn(2), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZn2Co2 tetrahedra. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(4), one Co(5), and one Zn(3) atom. is represented by the CIF file [CIF]
data_Zn2Co3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.847
_cell_length_b   5.741
_cell_length_c   9.363
_cell_angle_alpha   90.020
_cell_angle_beta   89.334
_cell_angle_gamma   120.380
_symmetry_Int_Tables_number   1
_cell_volume   271.138
_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  0.664  0.336  0.028  1.0
  Zn  Zn1  1  0.334  0.667  0.530  1.0
  Zn  Zn2  1  0.667  0.338  0.425  1.0
  Zn  Zn3  1  0.326  0.661  0.922  1.0
  Co  Co4  1  0.669  0.836  0.244  1.0
  Co  Co5  1  0.838  0.162  0.745  1.0
  Co  Co6  1  0.158  0.322  0.241  1.0
  Co  Co7  1  0.837  0.673  0.744  1.0
  Co  Co8  1  0.330  0.164  0.745  1.0
  Co  Co9  1  0.163  0.833  0.245  1.0
  O  O10  1  0.818  0.138  0.138  1.0
  O  O11  1  0.690  0.844  0.646  1.0
  O  O12  1  0.164  0.319  0.652  1.0
  O  O13  1  0.849  0.680  0.152  1.0
  O  O14  1  0.313  0.158  0.144  1.0
  O  O15  1  0.156  0.845  0.645  1.0
  O  O16  1  0.521  0.483  0.861  1.0
  O  O17  1  0.039  0.514  0.362  1.0
  O  O18  1  0.472  0.965  0.358  1.0
  O  O19  1  0.514  0.036  0.857  1.0
  O  O20  1  0.031  0.017  0.353  1.0
  O  O21  1  0.013  0.990  0.855  1.0
  O  O22  1  0.309  0.652  0.133  1.0
  O  O23  1  0.958  0.483  0.859  1.0
  O  O24  1  0.504  0.545  0.367  1.0
  O  O25  1  0.660  0.341  0.634  1.0
[/CIF]
.