Mg(CrS2)2 crystallizes in the tetragonal I-4 space group. Mg(1) is bonded to four equivalent S(1) atoms to form MgS4 tetrahedra that share corners with four equivalent Cr(1)S4 tetrahedra and corners with four equivalent Cr(2)S4 tetrahedra. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to four equivalent S(1) atoms to form CrS4 tetrahedra that share corners with four equivalent Mg(1)S4 tetrahedra and corners with four equivalent Cr(2)S4 tetrahedra. In the second Cr site, Cr(2) is bonded to four equivalent S(1) atoms to form CrS4 tetrahedra that share corners with four equivalent Mg(1)S4 tetrahedra and corners with four equivalent Cr(1)S4 tetrahedra. S(1) is bonded in a trigonal non-coplanar geometry to one Mg(1), one Cr(1), and one Cr(2) atom.
Mg(CrS2)2 crystallizes in the tetragonal I-4 space group. Mg(1) is bonded to four equivalent S(1) atoms to form MgS4 tetrahedra that share corners with four equivalent Cr(1)S4 tetrahedra and corners with four equivalent Cr(2)S4 tetrahedra. All Mg(1)-S(1) bond lengths are 2.48 Å. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to four equivalent S(1) atoms to form CrS4 tetrahedra that share corners with four equivalent Mg(1)S4 tetrahedra and corners with four equivalent Cr(2)S4 tetrahedra. All Cr(1)-S(1) bond lengths are 2.26 Å. In the second Cr site, Cr(2) is bonded to four equivalent S(1) atoms to form CrS4 tetrahedra that share corners with four equivalent Mg(1)S4 tetrahedra and corners with four equivalent Cr(1)S4 tetrahedra. All Cr(2)-S(1) bond lengths are 2.28 Å. S(1) is bonded in a trigonal non-coplanar geometry to one Mg(1), one Cr(1), and one Cr(2) atom.