HfCrAgS4 crystallizes in the monoclinic P2/m space group. Hf(1) is bonded to two equivalent S(2) and four equivalent S(1) atoms to form HfS6 octahedra that share corners with eight equivalent Ag(1)S6 octahedra, edges with two equivalent Hf(1)S6 octahedra, and edges with four equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 46-48°. Cr(1) is bonded to two equivalent S(1) and four equivalent S(2) atoms to form CrS6 octahedra that share corners with four equivalent Ag(1)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with four equivalent Hf(1)S6 octahedra, and faces with two equivalent Ag(1)S6 octahedra. The corner-sharing octahedral tilt angles are 45°. Ag(1) is bonded to two equivalent S(1) and four equivalent S(2) atoms to form distorted AgS6 octahedra that share corners with four equivalent Cr(1)S6 octahedra, corners with eight equivalent Hf(1)S6 octahedra, edges with two equivalent Ag(1)S6 octahedra, and faces with two equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 45-48°. There are two inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to two equivalent Hf(1), one Cr(1), and one Ag(1) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to one Hf(1), two equivalent Cr(1), and two equivalent Ag(1) atoms.
HfCrAgS4 crystallizes in the monoclinic P2/m space group. Hf(1) is bonded to two equivalent S(2) and four equivalent S(1) atoms to form HfS6 octahedra that share corners with eight equivalent Ag(1)S6 octahedra, edges with two equivalent Hf(1)S6 octahedra, and edges with four equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 46-48°. Both Hf(1)-S(2) bond lengths are 2.53 Å. All Hf(1)-S(1) bond lengths are 2.53 Å. Cr(1) is bonded to two equivalent S(1) and four equivalent S(2) atoms to form CrS6 octahedra that share corners with four equivalent Ag(1)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with four equivalent Hf(1)S6 octahedra, and faces with two equivalent Ag(1)S6 octahedra. The corner-sharing octahedral tilt angles are 45°. Both Cr(1)-S(1) bond lengths are 2.45 Å. All Cr(1)-S(2) bond lengths are 2.45 Å. Ag(1) is bonded to two equivalent S(1) and four equivalent S(2) atoms to form distorted AgS6 octahedra that share corners with four equivalent Cr(1)S6 octahedra, corners with eight equivalent Hf(1)S6 octahedra, edges with two equivalent Ag(1)S6 octahedra, and faces with two equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 45-48°. Both Ag(1)-S(1) bond lengths are 2.65 Å. All Ag(1)-S(2) bond lengths are 2.81 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to two equivalent Hf(1), one Cr(1), and one Ag(1) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to one Hf(1), two equivalent Cr(1), and two equivalent Ag(1) atoms.