MgTm2S4 crystallizes in the tetragonal I-42d space group. Mg(1) is bonded in a 4-coordinate geometry to eight equivalent S(1) atoms. Tm(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 Tm(1) atoms.
MgTm2S4 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 (2.59 Å) and four longer (3.13 Å) Mg(1)-S(1) bond lengths. Tm(1) is bonded in a 8-coordinate geometry to eight equivalent S(1) atoms. There are a spread of Tm(1)-S(1) bond distances ranging from 2.66-3.10 Å. S(1) is bonded in a 6-coordinate geometry to two equivalent Mg(1) and four equivalent Tm(1) atoms.