AuPb3 crystallizes in the monoclinic C2 space group. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a 8-coordinate geometry to one Pb(2), one Pb(3), one Pb(4), one Pb(5), one Pb(6), one Pb(7), and two equivalent Pb(1) atoms. In the second Au site, Au(2) is bonded in a 8-coordinate geometry to two equivalent Pb(1), two equivalent Pb(2), two equivalent Pb(5), and two equivalent Pb(7) atoms. In the third Au site, Au(3) is bonded in a 8-coordinate geometry to two equivalent Pb(1), two equivalent Pb(3), two equivalent Pb(4), and two equivalent Pb(6) atoms. There are seven inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one Au(2), one Au(3), and two equivalent Au(1) atoms. In the second Pb site, Pb(2) is bonded in a 4-coordinate geometry to two equivalent Au(1) and two equivalent Au(2) atoms. In the third Pb site, Pb(3) is bonded in a 4-coordinate geometry to two equivalent Au(1) and two equivalent Au(3) atoms. In the fourth Pb site, Pb(4) is bonded in a 2-coordinate geometry to one Au(1) and one Au(3) atom. In the fifth Pb site, Pb(5) is bonded in a 2-coordinate geometry to one Au(1) and one Au(2) atom. In the sixth Pb site, Pb(6) is bonded in a distorted bent 120 degrees geometry to one Au(1) and one Au(3) atom. In the seventh Pb site, Pb(7) is bonded in a distorted bent 120 degrees geometry to one Au(1) and one Au(2) atom.
AuPb3 crystallizes in the monoclinic C2 space group. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a 8-coordinate geometry to one Pb(2), one Pb(3), one Pb(4), one Pb(5), one Pb(6), one Pb(7), and two equivalent Pb(1) atoms. The Au(1)-Pb(2) bond length is 3.00 Å. The Au(1)-Pb(3) bond length is 3.00 Å. The Au(1)-Pb(4) bond length is 3.08 Å. The Au(1)-Pb(5) bond length is 3.09 Å. The Au(1)-Pb(6) bond length is 3.01 Å. The Au(1)-Pb(7) bond length is 3.01 Å. There is one shorter (3.13 Å) and one longer (3.14 Å) Au(1)-Pb(1) bond length. In the second Au site, Au(2) is bonded in a 8-coordinate geometry to two equivalent Pb(1), two equivalent Pb(2), two equivalent Pb(5), and two equivalent Pb(7) atoms. Both Au(2)-Pb(1) bond lengths are 3.00 Å. Both Au(2)-Pb(2) bond lengths are 3.13 Å. Both Au(2)-Pb(5) bond lengths are 3.08 Å. Both Au(2)-Pb(7) bond lengths are 3.01 Å. In the third Au site, Au(3) is bonded in a 8-coordinate geometry to two equivalent Pb(1), two equivalent Pb(3), two equivalent Pb(4), and two equivalent Pb(6) atoms. Both Au(3)-Pb(1) bond lengths are 3.00 Å. Both Au(3)-Pb(3) bond lengths are 3.13 Å. Both Au(3)-Pb(4) bond lengths are 3.08 Å. Both Au(3)-Pb(6) bond lengths are 3.01 Å. There are seven inequivalent Pb sites. In the first Pb site, Pb(1) is bonded in a 4-coordinate geometry to one Au(2), one Au(3), and two equivalent Au(1) atoms. In the second Pb site, Pb(2) is bonded in a 4-coordinate geometry to two equivalent Au(1) and two equivalent Au(2) atoms. In the third Pb site, Pb(3) is bonded in a 4-coordinate geometry to two equivalent Au(1) and two equivalent Au(3) atoms. In the fourth Pb site, Pb(4) is bonded in a 2-coordinate geometry to one Au(1) and one Au(3) atom. In the fifth Pb site, Pb(5) is bonded in a 2-coordinate geometry to one Au(1) and one Au(2) atom. In the sixth Pb site, Pb(6) is bonded in a distorted bent 120 degrees geometry to one Au(1) and one Au(3) atom. In the seventh Pb site, Pb(7) is bonded in a distorted bent 120 degrees geometry to one Au(1) and one Au(2) atom.