Pd9Tl2Pb is Uranium Silicide-derived structured and crystallizes in the tetragonal I4mm space group. There are six inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to two equivalent Pd(3), two equivalent Pd(5), four equivalent Pd(1), two equivalent Tl(2), and two equivalent Pb(1) atoms to form distorted PdTl2Pd8Pb2 cuboctahedra that share corners with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(2)Pd12 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra,  a faceface with one Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(2)Tl4Pd4 cuboctahedra, faces with two equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with two equivalent Pd(3)Tl4Pd8 cuboctahedra, faces with two equivalent Tl(2)Pd12 cuboctahedra, faces with two equivalent Pb(1)Pd12 cuboctahedra, and faces with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra. In the second Pd site, Pd(2) is bonded to two equivalent Pd(3), two equivalent Pd(6), two equivalent Tl(1), and two equivalent Tl(2) atoms to form distorted PdTl4Pd4 cuboctahedra that share corners with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with four equivalent Tl(1)Pd12 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, edges with two equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with two equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with two equivalent Tl(1)Pd12 cuboctahedra, edges with two equivalent Tl(2)Pd12 cuboctahedra, edges with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra,  a faceface with one Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(4)Tl2Pd8Pb2 cuboctahedra, and faces with four equivalent Pd(2)Tl4Pd4 cuboctahedra. In the third Pd site, Pd(3) is bonded to four equivalent Pd(1), four equivalent Pd(2), and four equivalent Tl(2) atoms to form PdTl4Pd8 cuboctahedra that share corners with four equivalent Pd(5)Pd8Pb4 cuboctahedra, corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Tl(1)Pd12 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(5)Pd8Pb4 cuboctahedra,  a faceface with one Pd(6)Tl4Pd8 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(3)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(2)Pd12 cuboctahedra. In the fourth Pd site, Pd(4) is bonded to two equivalent Pd(5), two equivalent Pd(6), four equivalent Pd(4), two equivalent Tl(1), and two equivalent Pb(1) atoms to form distorted PdTl2Pd8Pb2 cuboctahedra that share corners with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(1)Pd12 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra,  a faceface with one Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(2)Tl4Pd4 cuboctahedra, faces with two equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with two equivalent Pd(6)Tl4Pd8 cuboctahedra, faces with two equivalent Tl(1)Pd12 cuboctahedra, faces with two equivalent Pb(1)Pd12 cuboctahedra, and faces with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra. In the fifth Pd site, Pd(5) is bonded to four equivalent Pd(1), four equivalent Pd(4), and four equivalent Pb(1) atoms to form PdPd8Pb4 cuboctahedra that share corners with four equivalent Pd(5)Pd8Pb4 cuboctahedra, corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Tl(1)Pd12 cuboctahedra, edges with four equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(2)Pd12 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(3)Tl4Pd8 cuboctahedra,  a faceface with one Tl(1)Pd12 cuboctahedra, faces with four equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, and faces with four equivalent Pb(1)Pd12 cuboctahedra. In the sixth Pd site, Pd(6) is bonded to four equivalent Pd(2), four equivalent Pd(4), and four equivalent Tl(1) atoms to form PdTl4Pd8 cuboctahedra that share corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with four equivalent Pb(1)Pd12 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Tl(2)Pd12 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(3)Tl4Pd8 cuboctahedra,  a faceface with one Pb(1)Pd12 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(6)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(1)Pd12 cuboctahedra. There are two inequivalent Tl sites. In the first Tl site, Tl(1) is bonded to four equivalent Pd(2), four equivalent Pd(4), and four equivalent Pd(6) atoms to form TlPd12 cuboctahedra that share corners with four equivalent Pd(5)Pd8Pb4 cuboctahedra, corners with four equivalent Tl(1)Pd12 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(5)Pd8Pb4 cuboctahedra,  a faceface with one Tl(2)Pd12 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(6)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(1)Pd12 cuboctahedra. In the second Tl site, Tl(2) is bonded to four equivalent Pd(1), four equivalent Pd(2), and four equivalent Pd(3) atoms to form TlPd12 cuboctahedra that share corners with four equivalent Tl(1)Pd12 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, corners with four equivalent Pb(1)Pd12 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Tl(1)Pd12 cuboctahedra,  a faceface with one Pb(1)Pd12 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(3)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(2)Pd12 cuboctahedra. Pb(1) is bonded to four equivalent Pd(1), four equivalent Pd(4), and four equivalent Pd(5) atoms to form PbPd12 cuboctahedra that share corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, corners with four equivalent Pb(1)Pd12 cuboctahedra, edges with four equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(1)Pd12 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(6)Tl4Pd8 cuboctahedra,  a faceface with one Tl(2)Pd12 cuboctahedra, faces with four equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, and faces with four equivalent Pb(1)Pd12 cuboctahedra.
Pd9Tl2Pb is Uranium Silicide-derived structured and crystallizes in the tetragonal I4mm space group. There are six inequivalent Pd sites. In the first Pd site, Pd(1) is bonded to two equivalent Pd(3), two equivalent Pd(5), four equivalent Pd(1), two equivalent Tl(2), and two equivalent Pb(1) atoms to form distorted PdTl2Pd8Pb2 cuboctahedra that share corners with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(2)Pd12 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra,  a faceface with one Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(2)Tl4Pd4 cuboctahedra, faces with two equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with two equivalent Pd(3)Tl4Pd8 cuboctahedra, faces with two equivalent Tl(2)Pd12 cuboctahedra, faces with two equivalent Pb(1)Pd12 cuboctahedra, and faces with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra. Both Pd(1)-Pd(3) bond lengths are 2.89 Å. Both Pd(1)-Pd(5) bond lengths are 2.90 Å. All Pd(1)-Pd(1) bond lengths are 2.94 Å. Both Pd(1)-Tl(2) bond lengths are 2.90 Å. Both Pd(1)-Pb(1) bond lengths are 2.85 Å. In the second Pd site, Pd(2) is bonded to two equivalent Pd(3), two equivalent Pd(6), two equivalent Tl(1), and two equivalent Tl(2) atoms to form distorted PdTl4Pd4 cuboctahedra that share corners with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with four equivalent Tl(1)Pd12 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, edges with two equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with two equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with two equivalent Tl(1)Pd12 cuboctahedra, edges with two equivalent Tl(2)Pd12 cuboctahedra, edges with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra,  a faceface with one Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(4)Tl2Pd8Pb2 cuboctahedra, and faces with four equivalent Pd(2)Tl4Pd4 cuboctahedra. Both Pd(2)-Pd(3) bond lengths are 2.89 Å. Both Pd(2)-Pd(6) bond lengths are 2.88 Å. Both Pd(2)-Tl(1) bond lengths are 2.85 Å. Both Pd(2)-Tl(2) bond lengths are 2.87 Å. In the third Pd site, Pd(3) is bonded to four equivalent Pd(1), four equivalent Pd(2), and four equivalent Tl(2) atoms to form PdTl4Pd8 cuboctahedra that share corners with four equivalent Pd(5)Pd8Pb4 cuboctahedra, corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Tl(1)Pd12 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(5)Pd8Pb4 cuboctahedra,  a faceface with one Pd(6)Tl4Pd8 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(3)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(2)Pd12 cuboctahedra. All Pd(3)-Tl(2) bond lengths are 2.94 Å. In the fourth Pd site, Pd(4) is bonded to two equivalent Pd(5), two equivalent Pd(6), four equivalent Pd(4), two equivalent Tl(1), and two equivalent Pb(1) atoms to form distorted PdTl2Pd8Pb2 cuboctahedra that share corners with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, corners with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(1)Pd12 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra,  a faceface with one Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(2)Tl4Pd4 cuboctahedra, faces with two equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with two equivalent Pd(6)Tl4Pd8 cuboctahedra, faces with two equivalent Tl(1)Pd12 cuboctahedra, faces with two equivalent Pb(1)Pd12 cuboctahedra, and faces with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra. Both Pd(4)-Pd(5) bond lengths are 2.85 Å. Both Pd(4)-Pd(6) bond lengths are 2.85 Å. All Pd(4)-Pd(4) bond lengths are 2.94 Å. Both Pd(4)-Tl(1) bond lengths are 2.88 Å. Both Pd(4)-Pb(1) bond lengths are 2.90 Å. In the fifth Pd site, Pd(5) is bonded to four equivalent Pd(1), four equivalent Pd(4), and four equivalent Pb(1) atoms to form PdPd8Pb4 cuboctahedra that share corners with four equivalent Pd(5)Pd8Pb4 cuboctahedra, corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Tl(1)Pd12 cuboctahedra, edges with four equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(2)Pd12 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(3)Tl4Pd8 cuboctahedra,  a faceface with one Tl(1)Pd12 cuboctahedra, faces with four equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, and faces with four equivalent Pb(1)Pd12 cuboctahedra. All Pd(5)-Pb(1) bond lengths are 2.94 Å. In the sixth Pd site, Pd(6) is bonded to four equivalent Pd(2), four equivalent Pd(4), and four equivalent Tl(1) atoms to form PdTl4Pd8 cuboctahedra that share corners with four equivalent Pd(3)Tl4Pd8 cuboctahedra, corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with four equivalent Pb(1)Pd12 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Tl(2)Pd12 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(3)Tl4Pd8 cuboctahedra,  a faceface with one Pb(1)Pd12 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(6)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(1)Pd12 cuboctahedra. All Pd(6)-Tl(1) bond lengths are 2.94 Å. There are two inequivalent Tl sites. In the first Tl site, Tl(1) is bonded to four equivalent Pd(2), four equivalent Pd(4), and four equivalent Pd(6) atoms to form TlPd12 cuboctahedra that share corners with four equivalent Pd(5)Pd8Pb4 cuboctahedra, corners with four equivalent Tl(1)Pd12 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with four equivalent Pb(1)Pd12 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(5)Pd8Pb4 cuboctahedra,  a faceface with one Tl(2)Pd12 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(6)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(1)Pd12 cuboctahedra. In the second Tl site, Tl(2) is bonded to four equivalent Pd(1), four equivalent Pd(2), and four equivalent Pd(3) atoms to form TlPd12 cuboctahedra that share corners with four equivalent Tl(1)Pd12 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, corners with four equivalent Pb(1)Pd12 cuboctahedra, corners with eight equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(5)Pd8Pb4 cuboctahedra, edges with four equivalent Pd(2)Tl4Pd4 cuboctahedra, edges with four equivalent Pd(6)Tl4Pd8 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Tl(1)Pd12 cuboctahedra,  a faceface with one Pb(1)Pd12 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(3)Tl4Pd8 cuboctahedra, and faces with four equivalent Tl(2)Pd12 cuboctahedra. Pb(1) is bonded to four equivalent Pd(1), four equivalent Pd(4), and four equivalent Pd(5) atoms to form PbPd12 cuboctahedra that share corners with four equivalent Pd(6)Tl4Pd8 cuboctahedra, corners with four equivalent Tl(2)Pd12 cuboctahedra, corners with four equivalent Pb(1)Pd12 cuboctahedra, edges with four equivalent Pd(3)Tl4Pd8 cuboctahedra, edges with four equivalent Tl(1)Pd12 cuboctahedra, edges with eight equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, edges with eight equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra,  a faceface with one Pd(6)Tl4Pd8 cuboctahedra,  a faceface with one Tl(2)Pd12 cuboctahedra, faces with four equivalent Pd(5)Pd8Pb4 cuboctahedra, faces with four equivalent Pd(1)Tl2Pd8Pb2 cuboctahedra, faces with four equivalent Pd(4)Tl2Pd8Pb2 cuboctahedra, and faces with four equivalent Pb(1)Pd12 cuboctahedra.