Co3Zn2O8 is beta indium sulfide-derived structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(2) and four equivalent O(3) atoms to form edge-sharing CoO6 octahedra. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form edge-sharing CoO6 octahedra. Zn(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), and four equivalent O(3) atoms. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent Co(2) and one Zn(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Co(1), two equivalent Co(2), and one Zn(1) atom. In the third O site, O(3) is bonded to one Co(1), one Co(2), and two equivalent Zn(1) atoms to form a mixture of distorted corner and edge-sharing OZn2Co2 tetrahedra.
Co3Zn2O8 is beta indium sulfide-derived structured and crystallizes in the monoclinic C2/m space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(2) and four equivalent O(3) atoms to form edge-sharing CoO6 octahedra. Both Co(1)-O(2) bond lengths are 1.92 Å. All Co(1)-O(3) bond lengths are 1.87 Å. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form edge-sharing CoO6 octahedra. Both Co(2)-O(1) bond lengths are 1.83 Å. Both Co(2)-O(2) bond lengths are 1.92 Å. Both Co(2)-O(3) bond lengths are 1.88 Å. Zn(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), and four equivalent O(3) atoms. The Zn(1)-O(1) bond length is 2.04 Å. The Zn(1)-O(2) bond length is 2.23 Å. There are two shorter (2.06 Å) and two longer (2.24 Å) Zn(1)-O(3) bond lengths. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent Co(2) and one Zn(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Co(1), two equivalent Co(2), and one Zn(1) atom. In the third O site, O(3) is bonded to one Co(1), one Co(2), and two equivalent Zn(1) atoms to form a mixture of distorted corner and edge-sharing OZn2Co2 tetrahedra.