MgTm2Cu2 crystallizes in the tetragonal P4/mbm space group. Mg(1) is bonded in a distorted square co-planar geometry to four equivalent Cu(1) atoms. Tm(1) is bonded in a 6-coordinate geometry to six equivalent Cu(1) atoms. Cu(1) is bonded in a 9-coordinate geometry to two equivalent Mg(1), six equivalent Tm(1), and one Cu(1) atom.
MgTm2Cu2 crystallizes in the tetragonal P4/mbm space group. Mg(1) is bonded in a distorted square co-planar geometry to four equivalent Cu(1) atoms. All Mg(1)-Cu(1) bond lengths are 2.99 Å. Tm(1) is bonded in a 6-coordinate geometry to six equivalent Cu(1) atoms. All Tm(1)-Cu(1) bond lengths are 2.86 Å. Cu(1) is bonded in a 9-coordinate geometry to two equivalent Mg(1), six equivalent Tm(1), and one Cu(1) atom. The Cu(1)-Cu(1) bond length is 2.59 Å.