CoZnTe3O8 crystallizes in the monoclinic C2 space group. Co(1) is bonded to one O(2), one O(3), one O(4), one O(7), and two equivalent O(5) atoms to form distorted corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles are 58°. Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(8), and two equivalent O(6) atoms. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a see-saw-like geometry to two equivalent O(2) and two equivalent O(7) atoms. In the second Te site, Te(2) is bonded in a see-saw-like geometry to two equivalent O(1) and two equivalent O(8) atoms. In the third Te site, Te(3) is bonded in a 4-coordinate geometry to one O(3), one O(4), one O(5), and one O(7) atom. In the fourth Te site, Te(4) is bonded in a 4-coordinate geometry to one O(3), one O(4), one O(6), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a trigonal planar geometry to one Co(1), one Te(1), and one Te(3) atom. In the second O site, O(8) is bonded in a trigonal planar geometry to one Zn(1), one Te(2), and one Te(4) atom. In the third O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one Te(2) atom. In the fourth O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one Te(1) atom. In the fifth O site, O(3) is bonded in a distorted tetrahedral geometry to one Co(1), one Zn(1), one Te(3), and one Te(4) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Co(1), one Zn(1), one Te(3), and one Te(4) atom. In the seventh O site, O(5) is bonded in a trigonal planar geometry to two equivalent Co(1) and one Te(3) atom. In the eighth O site, O(6) is bonded in a trigonal planar geometry to two equivalent Zn(1) and one Te(4) atom.
CoZnTe3O8 crystallizes in the monoclinic C2 space group. Co(1) is bonded to one O(2), one O(3), one O(4), one O(7), and two equivalent O(5) atoms to form distorted corner-sharing CoO6 octahedra. The corner-sharing octahedral tilt angles are 58°. The Co(1)-O(2) bond length is 2.04 Å. The Co(1)-O(3) bond length is 2.45 Å. The Co(1)-O(4) bond length is 2.13 Å. The Co(1)-O(7) bond length is 2.21 Å. Both Co(1)-O(5) bond lengths are 2.07 Å. Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(3), one O(4), one O(8), and two equivalent O(6) atoms. The Zn(1)-O(1) bond length is 2.04 Å. The Zn(1)-O(3) bond length is 2.16 Å. The Zn(1)-O(4) bond length is 2.58 Å. The Zn(1)-O(8) bond length is 2.21 Å. There is one shorter (2.05 Å) and one longer (2.06 Å) Zn(1)-O(6) bond length. There are four inequivalent Te sites. In the first Te site, Te(1) is bonded in a see-saw-like geometry to two equivalent O(2) and two equivalent O(7) atoms. Both Te(1)-O(2) bond lengths are 1.91 Å. Both Te(1)-O(7) bond lengths are 2.12 Å. In the second Te site, Te(2) is bonded in a see-saw-like geometry to two equivalent O(1) and two equivalent O(8) atoms. Both Te(2)-O(1) bond lengths are 1.90 Å. Both Te(2)-O(8) bond lengths are 2.12 Å. In the third Te site, Te(3) is bonded in a 4-coordinate geometry to one O(3), one O(4), one O(5), and one O(7) atom. The Te(3)-O(3) bond length is 2.36 Å. The Te(3)-O(4) bond length is 1.95 Å. The Te(3)-O(5) bond length is 1.92 Å. The Te(3)-O(7) bond length is 1.98 Å. In the fourth Te site, Te(4) is bonded in a 4-coordinate geometry to one O(3), one O(4), one O(6), and one O(8) atom. The Te(4)-O(3) bond length is 1.95 Å. The Te(4)-O(4) bond length is 2.33 Å. The Te(4)-O(6) bond length is 1.92 Å. The Te(4)-O(8) bond length is 1.98 Å. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a trigonal planar geometry to one Co(1), one Te(1), and one Te(3) atom. In the second O site, O(8) is bonded in a trigonal planar geometry to one Zn(1), one Te(2), and one Te(4) atom. In the third O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one Te(2) atom. In the fourth O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one Te(1) atom. In the fifth O site, O(3) is bonded in a distorted tetrahedral geometry to one Co(1), one Zn(1), one Te(3), and one Te(4) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one Co(1), one Zn(1), one Te(3), and one Te(4) atom. In the seventh O site, O(5) is bonded in a trigonal planar geometry to two equivalent Co(1) and one Te(3) atom. In the eighth O site, O(6) is bonded in a trigonal planar geometry to two equivalent Zn(1) and one Te(4) atom.