CoCd4S5 is Enargite-like structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one S(5), one S(8), and two equivalent S(4) atoms to form CoS4 tetrahedra that share  a cornercorner with one Cd(5)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(3)S4 tetrahedra, corners with two equivalent Cd(8)S4 tetrahedra, and corners with three equivalent Cd(4)S4 tetrahedra. In the second Co site, Co(2) is bonded to one S(1), one S(9), and two equivalent S(5) atoms to form CoS4 tetrahedra that share  a cornercorner with one Cd(1)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, corners with two equivalent Cd(6)S4 tetrahedra, and corners with three equivalent Cd(5)S4 tetrahedra. There are eight inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one S(1), one S(10), and two equivalent S(6) atoms to form CdS4 tetrahedra that share  a cornercorner with one Co(2)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with two equivalent Cd(2)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, corners with two equivalent Cd(7)S4 tetrahedra, and corners with three equivalent Cd(6)S4 tetrahedra. In the second Cd site, Cd(2) is bonded to one S(2), one S(6), and two equivalent S(7) atoms to form corner-sharing CdS4 tetrahedra. In the third Cd site, Cd(3) is bonded to one S(3), one S(7), and two equivalent S(8) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(7)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Cd(2)S4 tetrahedra, corners with two equivalent Cd(3)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, and corners with three equivalent Cd(8)S4 tetrahedra. In the fourth Cd site, Cd(4) is bonded to one S(4), one S(8), and two equivalent S(9) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(8)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(3)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, and corners with three equivalent Co(1)S4 tetrahedra. In the fifth Cd site, Cd(5) is bonded to one S(5), one S(9), and two equivalent S(10) atoms to form CdS4 tetrahedra that share  a cornercorner with one Co(1)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, corners with two equivalent Cd(6)S4 tetrahedra, and corners with three equivalent Co(2)S4 tetrahedra. In the sixth Cd site, Cd(6) is bonded to one S(10), one S(2), and two equivalent S(1) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(2)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, corners with two equivalent Cd(6)S4 tetrahedra, corners with two equivalent Cd(7)S4 tetrahedra, and corners with three equivalent Cd(1)S4 tetrahedra. In the seventh Cd site, Cd(7) is bonded to one S(3), one S(6), and two equivalent S(2) atoms to form corner-sharing CdS4 tetrahedra. In the eighth Cd site, Cd(8) is bonded to one S(4), one S(7), and two equivalent S(3) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(4)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Cd(2)S4 tetrahedra, corners with two equivalent Cd(7)S4 tetrahedra, corners with two equivalent Cd(8)S4 tetrahedra, and corners with three equivalent Cd(3)S4 tetrahedra. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Co(2), one Cd(1), and two equivalent Cd(6) atoms to form SCd3Co tetrahedra that share  a cornercorner with one S(9)Cd3Co tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(10)Cd4 tetrahedra. In the second S site, S(2) is bonded to one Cd(2), one Cd(6), and two equivalent Cd(7) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(10)Cd4 tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(6)Cd4 tetrahedra. In the third S site, S(3) is bonded to one Cd(3), one Cd(7), and two equivalent Cd(8) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(6)Cd4 tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, and corners with three equivalent S(7)Cd4 tetrahedra. In the fourth S site, S(4) is bonded to two equivalent Co(1), one Cd(4), and one Cd(8) atom to form SCd2Co2 tetrahedra that share  a cornercorner with one S(7)Cd4 tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(8)Cd3Co tetrahedra. In the fifth S site, S(5) is bonded to one Co(1), two equivalent Co(2), and one Cd(5) atom to form SCdCo3 tetrahedra that share  a cornercorner with one S(8)Cd3Co tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(9)Cd3Co tetrahedra. In the sixth S site, S(6) is bonded to one Cd(2), one Cd(7), and two equivalent Cd(1) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(3)Cd4 tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(2)Cd4 tetrahedra. In the seventh S site, S(7) is bonded to one Cd(3), one Cd(8), and two equivalent Cd(2) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(4)Cd2Co2 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(3)Cd4 tetrahedra. In the eighth S site, S(8) is bonded to one Co(1), one Cd(4), and two equivalent Cd(3) atoms to form SCd3Co tetrahedra that share  a cornercorner with one S(5)CdCo3 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(4)Cd2Co2 tetrahedra. In the ninth S site, S(9) is bonded to one Co(2), one Cd(5), and two equivalent Cd(4) atoms to form SCd3Co tetrahedra that share  a cornercorner with one S(1)Cd3Co tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, and corners with three equivalent S(5)CdCo3 tetrahedra. In the tenth S site, S(10) is bonded to one Cd(1), one Cd(6), and two equivalent Cd(5) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(2)Cd4 tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(1)Cd3Co tetrahedra.
CoCd4S5 is Enargite-like structured and crystallizes in the monoclinic Cm space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one S(5), one S(8), and two equivalent S(4) atoms to form CoS4 tetrahedra that share  a cornercorner with one Cd(5)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(3)S4 tetrahedra, corners with two equivalent Cd(8)S4 tetrahedra, and corners with three equivalent Cd(4)S4 tetrahedra. The Co(1)-S(5) bond length is 2.30 Å. The Co(1)-S(8) bond length is 2.31 Å. Both Co(1)-S(4) bond lengths are 2.41 Å. In the second Co site, Co(2) is bonded to one S(1), one S(9), and two equivalent S(5) atoms to form CoS4 tetrahedra that share  a cornercorner with one Cd(1)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, corners with two equivalent Cd(6)S4 tetrahedra, and corners with three equivalent Cd(5)S4 tetrahedra. The Co(2)-S(1) bond length is 2.31 Å. The Co(2)-S(9) bond length is 2.30 Å. Both Co(2)-S(5) bond lengths are 2.39 Å. There are eight inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one S(1), one S(10), and two equivalent S(6) atoms to form CdS4 tetrahedra that share  a cornercorner with one Co(2)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with two equivalent Cd(2)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, corners with two equivalent Cd(7)S4 tetrahedra, and corners with three equivalent Cd(6)S4 tetrahedra. The Cd(1)-S(1) bond length is 2.55 Å. The Cd(1)-S(10) bond length is 2.54 Å. Both Cd(1)-S(6) bond lengths are 2.54 Å. In the second Cd site, Cd(2) is bonded to one S(2), one S(6), and two equivalent S(7) atoms to form corner-sharing CdS4 tetrahedra. The Cd(2)-S(2) bond length is 2.55 Å. The Cd(2)-S(6) bond length is 2.53 Å. Both Cd(2)-S(7) bond lengths are 2.53 Å. In the third Cd site, Cd(3) is bonded to one S(3), one S(7), and two equivalent S(8) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(7)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Cd(2)S4 tetrahedra, corners with two equivalent Cd(3)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, and corners with three equivalent Cd(8)S4 tetrahedra. The Cd(3)-S(3) bond length is 2.56 Å. The Cd(3)-S(7) bond length is 2.53 Å. Both Cd(3)-S(8) bond lengths are 2.56 Å. In the fourth Cd site, Cd(4) is bonded to one S(4), one S(8), and two equivalent S(9) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(8)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(3)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, and corners with three equivalent Co(1)S4 tetrahedra. The Cd(4)-S(4) bond length is 2.60 Å. The Cd(4)-S(8) bond length is 2.58 Å. Both Cd(4)-S(9) bond lengths are 2.56 Å. In the fifth Cd site, Cd(5) is bonded to one S(5), one S(9), and two equivalent S(10) atoms to form CdS4 tetrahedra that share  a cornercorner with one Co(1)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with two equivalent Cd(4)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, corners with two equivalent Cd(6)S4 tetrahedra, and corners with three equivalent Co(2)S4 tetrahedra. The Cd(5)-S(5) bond length is 2.58 Å. The Cd(5)-S(9) bond length is 2.59 Å. Both Cd(5)-S(10) bond lengths are 2.54 Å. In the sixth Cd site, Cd(6) is bonded to one S(10), one S(2), and two equivalent S(1) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(2)S4 tetrahedra, corners with two equivalent Co(2)S4 tetrahedra, corners with two equivalent Cd(5)S4 tetrahedra, corners with two equivalent Cd(6)S4 tetrahedra, corners with two equivalent Cd(7)S4 tetrahedra, and corners with three equivalent Cd(1)S4 tetrahedra. The Cd(6)-S(10) bond length is 2.55 Å. The Cd(6)-S(2) bond length is 2.58 Å. Both Cd(6)-S(1) bond lengths are 2.57 Å. In the seventh Cd site, Cd(7) is bonded to one S(3), one S(6), and two equivalent S(2) atoms to form corner-sharing CdS4 tetrahedra. The Cd(7)-S(3) bond length is 2.59 Å. The Cd(7)-S(6) bond length is 2.56 Å. Both Cd(7)-S(2) bond lengths are 2.56 Å. In the eighth Cd site, Cd(8) is bonded to one S(4), one S(7), and two equivalent S(3) atoms to form CdS4 tetrahedra that share  a cornercorner with one Cd(4)S4 tetrahedra, corners with two equivalent Co(1)S4 tetrahedra, corners with two equivalent Cd(2)S4 tetrahedra, corners with two equivalent Cd(7)S4 tetrahedra, corners with two equivalent Cd(8)S4 tetrahedra, and corners with three equivalent Cd(3)S4 tetrahedra. The Cd(8)-S(4) bond length is 2.60 Å. The Cd(8)-S(7) bond length is 2.55 Å. Both Cd(8)-S(3) bond lengths are 2.57 Å. There are ten inequivalent S sites. In the first S site, S(1) is bonded to one Co(2), one Cd(1), and two equivalent Cd(6) atoms to form SCd3Co tetrahedra that share  a cornercorner with one S(9)Cd3Co tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(10)Cd4 tetrahedra. In the second S site, S(2) is bonded to one Cd(2), one Cd(6), and two equivalent Cd(7) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(10)Cd4 tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(6)Cd4 tetrahedra. In the third S site, S(3) is bonded to one Cd(3), one Cd(7), and two equivalent Cd(8) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(6)Cd4 tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, and corners with three equivalent S(7)Cd4 tetrahedra. In the fourth S site, S(4) is bonded to two equivalent Co(1), one Cd(4), and one Cd(8) atom to form SCd2Co2 tetrahedra that share  a cornercorner with one S(7)Cd4 tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(8)Cd3Co tetrahedra. In the fifth S site, S(5) is bonded to one Co(1), two equivalent Co(2), and one Cd(5) atom to form SCdCo3 tetrahedra that share  a cornercorner with one S(8)Cd3Co tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(9)Cd3Co tetrahedra. In the sixth S site, S(6) is bonded to one Cd(2), one Cd(7), and two equivalent Cd(1) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(3)Cd4 tetrahedra, corners with two equivalent S(1)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(2)Cd4 tetrahedra. In the seventh S site, S(7) is bonded to one Cd(3), one Cd(8), and two equivalent Cd(2) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(4)Cd2Co2 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(2)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(3)Cd4 tetrahedra. In the eighth S site, S(8) is bonded to one Co(1), one Cd(4), and two equivalent Cd(3) atoms to form SCd3Co tetrahedra that share  a cornercorner with one S(5)CdCo3 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(3)Cd4 tetrahedra, corners with two equivalent S(7)Cd4 tetrahedra, and corners with three equivalent S(4)Cd2Co2 tetrahedra. In the ninth S site, S(9) is bonded to one Co(2), one Cd(5), and two equivalent Cd(4) atoms to form SCd3Co tetrahedra that share  a cornercorner with one S(1)Cd3Co tetrahedra, corners with two equivalent S(4)Cd2Co2 tetrahedra, corners with two equivalent S(8)Cd3Co tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, and corners with three equivalent S(5)CdCo3 tetrahedra. In the tenth S site, S(10) is bonded to one Cd(1), one Cd(6), and two equivalent Cd(5) atoms to form SCd4 tetrahedra that share  a cornercorner with one S(2)Cd4 tetrahedra, corners with two equivalent S(9)Cd3Co tetrahedra, corners with two equivalent S(10)Cd4 tetrahedra, corners with two equivalent S(6)Cd4 tetrahedra, corners with two equivalent S(5)CdCo3 tetrahedra, and corners with three equivalent S(1)Cd3Co tetrahedra.