LuCuSn crystallizes in the trigonal P-3m1 space group. Lu(1) is bonded in a 9-coordinate geometry to six equivalent Cu(1) and three equivalent Sn(1) atoms. Cu(1) is bonded in a 10-coordinate geometry to six equivalent Lu(1), three equivalent Cu(1), and one Sn(1) atom. Sn(1) is bonded in a 7-coordinate geometry to three equivalent Lu(1), one Cu(1), and three equivalent Sn(1) atoms.
LuCuSn crystallizes in the trigonal P-3m1 space group. Lu(1) is bonded in a 9-coordinate geometry to six equivalent Cu(1) and three equivalent Sn(1) atoms. There are three shorter (2.95 Å) and three longer (3.11 Å) Lu(1)-Cu(1) bond lengths. All Lu(1)-Sn(1) bond lengths are 3.08 Å. Cu(1) is bonded in a 10-coordinate geometry to six equivalent Lu(1), three equivalent Cu(1), and one Sn(1) atom. All Cu(1)-Cu(1) bond lengths are 2.63 Å. The Cu(1)-Sn(1) bond length is 3.02 Å. Sn(1) is bonded in a 7-coordinate geometry to three equivalent Lu(1), one Cu(1), and three equivalent Sn(1) atoms. All Sn(1)-Sn(1) bond lengths are 2.87 Å.