Sr2(Au2Ga)3 crystallizes in the trigonal R-3c space group. Sr(1) is bonded in a 15-coordinate geometry to twelve equivalent Au(1) and three equivalent Ga(1) atoms. Au(1) is bonded in a 11-coordinate geometry to four equivalent Sr(1), four equivalent Au(1), and three equivalent Ga(1) atoms. Ga(1) is bonded in a 6-coordinate geometry to two equivalent Sr(1) and six equivalent Au(1) atoms.
Sr2(Au2Ga)3 crystallizes in the trigonal R-3c space group. Sr(1) is bonded in a 15-coordinate geometry to twelve equivalent Au(1) and three equivalent Ga(1) atoms. There are a spread of Sr(1)-Au(1) bond distances ranging from 3.29-3.69 Å. All Sr(1)-Ga(1) bond lengths are 3.59 Å. Au(1) is bonded in a 11-coordinate geometry to four equivalent Sr(1), four equivalent Au(1), and three equivalent Ga(1) atoms. There are a spread of Au(1)-Au(1) bond distances ranging from 2.92-3.06 Å. There are a spread of Au(1)-Ga(1) bond distances ranging from 2.64-2.85 Å. Ga(1) is bonded in a 6-coordinate geometry to two equivalent Sr(1) and six equivalent Au(1) atoms.