MgDy2S4 crystallizes in the tetragonal I-42d space group. Mg(1) is bonded in a 4-coordinate geometry to eight equivalent S(1) atoms. Dy(1) is bonded in a 8-coordinate geometry to eight equivalent S(1) atoms. S(1) is bonded in a 6-coordinate geometry to two equivalent Mg(1) and four equivalent Dy(1) atoms.
MgDy2S4 crystallizes in the tetragonal I-42d space group. Mg(1) is bonded in a 4-coordinate geometry to eight equivalent S(1) atoms. There are four shorter (2.61 Å) and four longer (3.14 Å) Mg(1)-S(1) bond lengths. Dy(1) is bonded in a 8-coordinate geometry to eight equivalent S(1) atoms. There are a spread of Dy(1)-S(1) bond distances ranging from 2.70-3.12 Å. S(1) is bonded in a 6-coordinate geometry to two equivalent Mg(1) and four equivalent Dy(1) atoms.