Sr3Au2 crystallizes in the trigonal R-3 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 5-coordinate geometry to five equivalent Au(1) atoms. In the second Sr site, Sr(2) is bonded in an octahedral geometry to six equivalent Au(1) atoms. In the third Sr site, Sr(3) is bonded in a 6-coordinate geometry to six equivalent Au(1) atoms. Au(1) is bonded in a 8-coordinate geometry to one Sr(2), two equivalent Sr(3), and five equivalent Sr(1) atoms.
Sr3Au2 crystallizes in the trigonal R-3 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 5-coordinate geometry to five equivalent Au(1) atoms. There are a spread of Sr(1)-Au(1) bond distances ranging from 3.20-3.61 Å. In the second Sr site, Sr(2) is bonded in an octahedral geometry to six equivalent Au(1) atoms. All Sr(2)-Au(1) bond lengths are 3.32 Å. In the third Sr site, Sr(3) is bonded in a 6-coordinate geometry to six equivalent Au(1) atoms. There are three shorter (3.20 Å) and three longer (3.34 Å) Sr(3)-Au(1) bond lengths. Au(1) is bonded in a 8-coordinate geometry to one Sr(2), two equivalent Sr(3), and five equivalent Sr(1) atoms.