CoZn2S3 is Enargite-like structured and crystallizes in the trigonal P3m1 space group. Co(1) is bonded to one S(1) and three equivalent S(3) atoms to form CoS4 tetrahedra that share corners with three equivalent Zn(1)S4 tetrahedra, corners with three equivalent Zn(2)S4 tetrahedra, and corners with six equivalent Co(1)S4 tetrahedra. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one S(2) and three equivalent S(1) atoms to form ZnS4 tetrahedra that share corners with three equivalent Co(1)S4 tetrahedra, corners with three equivalent Zn(2)S4 tetrahedra, and corners with six equivalent Zn(1)S4 tetrahedra. In the second Zn site, Zn(2) is bonded to one S(3) and three equivalent S(2) atoms to form ZnS4 tetrahedra that share corners with three equivalent Co(1)S4 tetrahedra, corners with three equivalent Zn(1)S4 tetrahedra, and corners with six equivalent Zn(2)S4 tetrahedra. There are three inequivalent S sites. In the first S site, S(1) is bonded to one Co(1) and three equivalent Zn(1) atoms to form SZn3Co tetrahedra that share corners with three equivalent S(2)Zn4 tetrahedra, corners with three equivalent S(3)ZnCo3 tetrahedra, and corners with six equivalent S(1)Zn3Co tetrahedra. In the second S site, S(2) is bonded to one Zn(1) and three equivalent Zn(2) atoms to form SZn4 tetrahedra that share corners with three equivalent S(1)Zn3Co tetrahedra, corners with three equivalent S(3)ZnCo3 tetrahedra, and corners with six equivalent S(2)Zn4 tetrahedra. In the third S site, S(3) is bonded to three equivalent Co(1) and one Zn(2) atom to form SZnCo3 tetrahedra that share corners with three equivalent S(1)Zn3Co tetrahedra, corners with three equivalent S(2)Zn4 tetrahedra, and corners with six equivalent S(3)ZnCo3 tetrahedra.
CoZn2S3 is Enargite-like structured and crystallizes in the trigonal P3m1 space group. Co(1) is bonded to one S(1) and three equivalent S(3) atoms to form CoS4 tetrahedra that share corners with three equivalent Zn(1)S4 tetrahedra, corners with three equivalent Zn(2)S4 tetrahedra, and corners with six equivalent Co(1)S4 tetrahedra. The Co(1)-S(1) bond length is 2.28 Å. All Co(1)-S(3) bond lengths are 2.27 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one S(2) and three equivalent S(1) atoms to form ZnS4 tetrahedra that share corners with three equivalent Co(1)S4 tetrahedra, corners with three equivalent Zn(2)S4 tetrahedra, and corners with six equivalent Zn(1)S4 tetrahedra. The Zn(1)-S(2) bond length is 2.36 Å. All Zn(1)-S(1) bond lengths are 2.33 Å. In the second Zn site, Zn(2) is bonded to one S(3) and three equivalent S(2) atoms to form ZnS4 tetrahedra that share corners with three equivalent Co(1)S4 tetrahedra, corners with three equivalent Zn(1)S4 tetrahedra, and corners with six equivalent Zn(2)S4 tetrahedra. The Zn(2)-S(3) bond length is 2.37 Å. All Zn(2)-S(2) bond lengths are 2.33 Å. There are three inequivalent S sites. In the first S site, S(1) is bonded to one Co(1) and three equivalent Zn(1) atoms to form SZn3Co tetrahedra that share corners with three equivalent S(2)Zn4 tetrahedra, corners with three equivalent S(3)ZnCo3 tetrahedra, and corners with six equivalent S(1)Zn3Co tetrahedra. In the second S site, S(2) is bonded to one Zn(1) and three equivalent Zn(2) atoms to form SZn4 tetrahedra that share corners with three equivalent S(1)Zn3Co tetrahedra, corners with three equivalent S(3)ZnCo3 tetrahedra, and corners with six equivalent S(2)Zn4 tetrahedra. In the third S site, S(3) is bonded to three equivalent Co(1) and one Zn(2) atom to form SZnCo3 tetrahedra that share corners with three equivalent S(1)Zn3Co tetrahedra, corners with three equivalent S(2)Zn4 tetrahedra, and corners with six equivalent S(3)ZnCo3 tetrahedra.