MgVCrS4 is Spinel-derived structured and crystallizes in the orthorhombic Imma space group. Mg(1) is bonded to two equivalent S(1) and two equivalent S(2) atoms to form MgS4 tetrahedra that share corners with six equivalent V(1)S6 octahedra and corners with six equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 58-60°. V(1) is bonded to two equivalent S(1) and four equivalent S(2) atoms to form VS6 octahedra that share corners with six equivalent Mg(1)S4 tetrahedra, edges with two equivalent V(1)S6 octahedra, and edges with four equivalent Cr(1)S6 octahedra. Cr(1) is bonded to two equivalent S(2) and four equivalent S(1) atoms to form CrS6 octahedra that share corners with six equivalent Mg(1)S4 tetrahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with four equivalent V(1)S6 octahedra. There are two inequivalent S sites. In the first S site, S(1) is bonded to one Mg(1), one V(1), and two equivalent Cr(1) atoms to form distorted SMgVCr2 trigonal pyramids that share corners with six equivalent S(2)MgV2Cr trigonal pyramids, corners with six equivalent S(1)MgVCr2 trigonal pyramids,  an edgeedge with one S(1)MgVCr2 trigonal pyramid, and edges with two equivalent S(2)MgV2Cr trigonal pyramids. In the second S site, S(2) is bonded to one Mg(1), two equivalent V(1), and one Cr(1) atom to form distorted SMgV2Cr trigonal pyramids that share corners with six equivalent S(2)MgV2Cr trigonal pyramids, corners with six equivalent S(1)MgVCr2 trigonal pyramids,  an edgeedge with one S(2)MgV2Cr trigonal pyramid, and edges with two equivalent S(1)MgVCr2 trigonal pyramids.
MgVCrS4 is Spinel-derived structured and crystallizes in the orthorhombic Imma space group. Mg(1) is bonded to two equivalent S(1) and two equivalent S(2) atoms to form MgS4 tetrahedra that share corners with six equivalent V(1)S6 octahedra and corners with six equivalent Cr(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 58-60°. Both Mg(1)-S(1) bond lengths are 2.43 Å. Both Mg(1)-S(2) bond lengths are 2.44 Å. V(1) is bonded to two equivalent S(1) and four equivalent S(2) atoms to form VS6 octahedra that share corners with six equivalent Mg(1)S4 tetrahedra, edges with two equivalent V(1)S6 octahedra, and edges with four equivalent Cr(1)S6 octahedra. Both V(1)-S(1) bond lengths are 2.45 Å. All V(1)-S(2) bond lengths are 2.44 Å. Cr(1) is bonded to two equivalent S(2) and four equivalent S(1) atoms to form CrS6 octahedra that share corners with six equivalent Mg(1)S4 tetrahedra, edges with two equivalent Cr(1)S6 octahedra, and edges with four equivalent V(1)S6 octahedra. Both Cr(1)-S(2) bond lengths are 2.43 Å. All Cr(1)-S(1) bond lengths are 2.42 Å. There are two inequivalent S sites. In the first S site, S(1) is bonded to one Mg(1), one V(1), and two equivalent Cr(1) atoms to form distorted SMgVCr2 trigonal pyramids that share corners with six equivalent S(2)MgV2Cr trigonal pyramids, corners with six equivalent S(1)MgVCr2 trigonal pyramids,  an edgeedge with one S(1)MgVCr2 trigonal pyramid, and edges with two equivalent S(2)MgV2Cr trigonal pyramids. In the second S site, S(2) is bonded to one Mg(1), two equivalent V(1), and one Cr(1) atom to form distorted SMgV2Cr trigonal pyramids that share corners with six equivalent S(2)MgV2Cr trigonal pyramids, corners with six equivalent S(1)MgVCr2 trigonal pyramids,  an edgeedge with one S(2)MgV2Cr trigonal pyramid, and edges with two equivalent S(1)MgVCr2 trigonal pyramids.