Au10In3 crystallizes in the hexagonal P6_3/m space group. There are four inequivalent Au sites. In the first Au site, Au(1) is bonded to one Au(2), one Au(3), six equivalent Au(1), and four equivalent In(1) atoms to form distorted AuIn4Au8 cuboctahedra that share corners with four equivalent Au(3)In3Au5 cuboctahedra, corners with four equivalent Au(1)In4Au8 cuboctahedra, corners with four equivalent Au(2)In4Au8 cuboctahedra, corners with five equivalent In(1)Au12 cuboctahedra, edges with three equivalent Au(3)In3Au5 cuboctahedra, edges with five equivalent In(1)Au12 cuboctahedra, edges with six equivalent Au(2)In4Au8 cuboctahedra, faces with three equivalent Au(3)In3Au5 cuboctahedra, faces with three equivalent Au(2)In4Au8 cuboctahedra, faces with four equivalent In(1)Au12 cuboctahedra, and faces with ten equivalent Au(1)In4Au8 cuboctahedra. In the second Au site, Au(2) is bonded to one Au(1), one Au(4), two equivalent Au(2), four equivalent Au(3), and four equivalent In(1) atoms to form distorted AuIn4Au8 cuboctahedra that share corners with two equivalent Au(2)In4Au8 cuboctahedra, corners with four equivalent Au(1)In4Au8 cuboctahedra, corners with five equivalent Au(3)In3Au5 cuboctahedra, corners with five equivalent In(1)Au12 cuboctahedra, edges with two equivalent Au(3)In3Au5 cuboctahedra, edges with three equivalent In(1)Au12 cuboctahedra, edges with six equivalent Au(1)In4Au8 cuboctahedra, edges with six equivalent Au(2)In4Au8 cuboctahedra, faces with three equivalent Au(1)In4Au8 cuboctahedra, faces with four equivalent Au(3)In3Au5 cuboctahedra, faces with four equivalent Au(2)In4Au8 cuboctahedra, and faces with four equivalent In(1)Au12 cuboctahedra. In the third Au site, Au(3) is bonded to one Au(1), four equivalent Au(2), and three equivalent In(1) atoms to form distorted AuIn3Au5 cuboctahedra that share corners with two equivalent Au(3)In3Au5 cuboctahedra, corners with four equivalent Au(1)In4Au8 cuboctahedra, corners with four equivalent In(1)Au12 cuboctahedra, corners with five equivalent Au(2)In4Au8 cuboctahedra, edges with two equivalent Au(2)In4Au8 cuboctahedra, edges with three equivalent Au(1)In4Au8 cuboctahedra, edges with three equivalent In(1)Au12 cuboctahedra, edges with eight equivalent Au(3)In3Au5 cuboctahedra, faces with three equivalent Au(1)In4Au8 cuboctahedra, faces with three equivalent In(1)Au12 cuboctahedra, and faces with four equivalent Au(2)In4Au8 cuboctahedra. In the fourth Au site, Au(4) is bonded in a distorted trigonal planar geometry to three equivalent Au(2) and three equivalent In(1) atoms. In(1) is bonded to one Au(4), three equivalent Au(3), four equivalent Au(1), and four equivalent Au(2) atoms to form InAu12 cuboctahedra that share corners with two equivalent In(1)Au12 cuboctahedra, corners with four equivalent Au(3)In3Au5 cuboctahedra, corners with five equivalent Au(1)In4Au8 cuboctahedra, corners with five equivalent Au(2)In4Au8 cuboctahedra, edges with three equivalent Au(3)In3Au5 cuboctahedra, edges with three equivalent Au(2)In4Au8 cuboctahedra, edges with four equivalent In(1)Au12 cuboctahedra, edges with five equivalent Au(1)In4Au8 cuboctahedra, faces with three equivalent Au(3)In3Au5 cuboctahedra, faces with four equivalent Au(1)In4Au8 cuboctahedra, faces with four equivalent Au(2)In4Au8 cuboctahedra, and faces with six equivalent In(1)Au12 cuboctahedra.
Au10In3 crystallizes in the hexagonal P6_3/m space group. There are four inequivalent Au sites. In the first Au site, Au(1) is bonded to one Au(2), one Au(3), six equivalent Au(1), and four equivalent In(1) atoms to form distorted AuIn4Au8 cuboctahedra that share corners with four equivalent Au(3)In3Au5 cuboctahedra, corners with four equivalent Au(1)In4Au8 cuboctahedra, corners with four equivalent Au(2)In4Au8 cuboctahedra, corners with five equivalent In(1)Au12 cuboctahedra, edges with three equivalent Au(3)In3Au5 cuboctahedra, edges with five equivalent In(1)Au12 cuboctahedra, edges with six equivalent Au(2)In4Au8 cuboctahedra, faces with three equivalent Au(3)In3Au5 cuboctahedra, faces with three equivalent Au(2)In4Au8 cuboctahedra, faces with four equivalent In(1)Au12 cuboctahedra, and faces with ten equivalent Au(1)In4Au8 cuboctahedra. The Au(1)-Au(2) bond length is 2.97 Å. The Au(1)-Au(3) bond length is 2.95 Å. All Au(1)-Au(1) bond lengths are 2.95 Å. There are three shorter (2.97 Å) and one longer (3.00 Å) Au(1)-In(1) bond length. In the second Au site, Au(2) is bonded to one Au(1), one Au(4), two equivalent Au(2), four equivalent Au(3), and four equivalent In(1) atoms to form distorted AuIn4Au8 cuboctahedra that share corners with two equivalent Au(2)In4Au8 cuboctahedra, corners with four equivalent Au(1)In4Au8 cuboctahedra, corners with five equivalent Au(3)In3Au5 cuboctahedra, corners with five equivalent In(1)Au12 cuboctahedra, edges with two equivalent Au(3)In3Au5 cuboctahedra, edges with three equivalent In(1)Au12 cuboctahedra, edges with six equivalent Au(1)In4Au8 cuboctahedra, edges with six equivalent Au(2)In4Au8 cuboctahedra, faces with three equivalent Au(1)In4Au8 cuboctahedra, faces with four equivalent Au(3)In3Au5 cuboctahedra, faces with four equivalent Au(2)In4Au8 cuboctahedra, and faces with four equivalent In(1)Au12 cuboctahedra. The Au(2)-Au(4) bond length is 2.98 Å. Both Au(2)-Au(2) bond lengths are 2.94 Å. There are a spread of Au(2)-Au(3) bond distances ranging from 2.92-2.98 Å. There are three shorter (2.94 Å) and one longer (2.97 Å) Au(2)-In(1) bond length. In the third Au site, Au(3) is bonded to one Au(1), four equivalent Au(2), and three equivalent In(1) atoms to form distorted AuIn3Au5 cuboctahedra that share corners with two equivalent Au(3)In3Au5 cuboctahedra, corners with four equivalent Au(1)In4Au8 cuboctahedra, corners with four equivalent In(1)Au12 cuboctahedra, corners with five equivalent Au(2)In4Au8 cuboctahedra, edges with two equivalent Au(2)In4Au8 cuboctahedra, edges with three equivalent Au(1)In4Au8 cuboctahedra, edges with three equivalent In(1)Au12 cuboctahedra, edges with eight equivalent Au(3)In3Au5 cuboctahedra, faces with three equivalent Au(1)In4Au8 cuboctahedra, faces with three equivalent In(1)Au12 cuboctahedra, and faces with four equivalent Au(2)In4Au8 cuboctahedra. There are two shorter (2.92 Å) and one longer (2.98 Å) Au(3)-In(1) bond length. In the fourth Au site, Au(4) is bonded in a distorted trigonal planar geometry to three equivalent Au(2) and three equivalent In(1) atoms. All Au(4)-In(1) bond lengths are 2.93 Å. In(1) is bonded to one Au(4), three equivalent Au(3), four equivalent Au(1), and four equivalent Au(2) atoms to form InAu12 cuboctahedra that share corners with two equivalent In(1)Au12 cuboctahedra, corners with four equivalent Au(3)In3Au5 cuboctahedra, corners with five equivalent Au(1)In4Au8 cuboctahedra, corners with five equivalent Au(2)In4Au8 cuboctahedra, edges with three equivalent Au(3)In3Au5 cuboctahedra, edges with three equivalent Au(2)In4Au8 cuboctahedra, edges with four equivalent In(1)Au12 cuboctahedra, edges with five equivalent Au(1)In4Au8 cuboctahedra, faces with three equivalent Au(3)In3Au5 cuboctahedra, faces with four equivalent Au(1)In4Au8 cuboctahedra, faces with four equivalent Au(2)In4Au8 cuboctahedra, and faces with six equivalent In(1)Au12 cuboctahedra.