Sm3Au3Bi4 crystallizes in the cubic I-43d space group. Sm(1) is bonded in a 12-coordinate geometry to four equivalent Au(1) and eight equivalent Bi(1) atoms. Au(1) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Bi(1) atoms. Bi(1) is bonded in a 9-coordinate geometry to six equivalent Sm(1) and three equivalent Au(1) atoms.
Sm3Au3Bi4 crystallizes in the cubic I-43d space group. Sm(1) is bonded in a 12-coordinate geometry to four equivalent Au(1) and eight equivalent Bi(1) atoms. All Sm(1)-Au(1) bond lengths are 3.12 Å. There are four shorter (3.47 Å) and four longer (3.60 Å) Sm(1)-Bi(1) bond lengths. Au(1) is bonded in a 8-coordinate geometry to four equivalent Sm(1) and four equivalent Bi(1) atoms. All Au(1)-Bi(1) bond lengths are 2.88 Å. Bi(1) is bonded in a 9-coordinate geometry to six equivalent Sm(1) and three equivalent Au(1) atoms.