CuGdS2 crystallizes in the monoclinic P2_1/c space group. Gd(1) is bonded in a 7-coordinate geometry to three equivalent S(1) and four equivalent S(2) atoms. Cu(1) is bonded to one S(2) and three equivalent S(1) atoms to form a mixture of distorted edge and corner-sharing CuS4 tetrahedra. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to three equivalent Gd(1) and three equivalent Cu(1) atoms. In the second S site, S(2) is bonded to four equivalent Gd(1) and one Cu(1) atom to form a mixture of distorted edge and corner-sharing SGd4Cu trigonal bipyramids.
CuGdS2 crystallizes in the monoclinic P2_1/c space group. Gd(1) is bonded in a 7-coordinate geometry to three equivalent S(1) and four equivalent S(2) atoms. There are a spread of Gd(1)-S(1) bond distances ranging from 2.82-3.04 Å. There are a spread of Gd(1)-S(2) bond distances ranging from 2.78-2.86 Å. Cu(1) is bonded to one S(2) and three equivalent S(1) atoms to form a mixture of distorted edge and corner-sharing CuS4 tetrahedra. The Cu(1)-S(2) bond length is 2.30 Å. There are a spread of Cu(1)-S(1) bond distances ranging from 2.30-2.47 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a 6-coordinate geometry to three equivalent Gd(1) and three equivalent Cu(1) atoms. In the second S site, S(2) is bonded to four equivalent Gd(1) and one Cu(1) atom to form a mixture of distorted edge and corner-sharing SGd4Cu trigonal bipyramids.