Tm2Au2Sn crystallizes in the tetragonal P4/mbm space group. Tm(1) is bonded in a 8-coordinate geometry to six equivalent Au(1) and two equivalent Sn(1) atoms. Au(1) is bonded in a 6-coordinate geometry to six equivalent Tm(1) atoms. Sn(1) is bonded in a square co-planar geometry to four equivalent Tm(1) atoms.
Tm2Au2Sn crystallizes in the tetragonal P4/mbm space group. Tm(1) is bonded in a 8-coordinate geometry to six equivalent Au(1) and two equivalent Sn(1) atoms. All Tm(1)-Au(1) bond lengths are 3.01 Å. Both Tm(1)-Sn(1) bond lengths are 3.11 Å. Au(1) is bonded in a 6-coordinate geometry to six equivalent Tm(1) atoms. Sn(1) is bonded in a square co-planar geometry to four equivalent Tm(1) atoms.