TlPb crystallizes in the trigonal R-3m space group. Tl(1) is bonded to six equivalent Tl(1) and six equivalent Pb(1) atoms to form distorted TlTl6Pb6 cuboctahedra that share corners with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra, faces with six equivalent Tl(1)Tl6Pb6 cuboctahedra, and faces with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra. Pb(1) is bonded to six equivalent Tl(1) and six equivalent Pb(1) atoms to form distorted PbTl6Pb6 cuboctahedra that share corners with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra, faces with six equivalent Pb(1)Tl6Pb6 cuboctahedra, and faces with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra.
TlPb crystallizes in the trigonal R-3m space group. Tl(1) is bonded to six equivalent Tl(1) and six equivalent Pb(1) atoms to form distorted TlTl6Pb6 cuboctahedra that share corners with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra, faces with six equivalent Tl(1)Tl6Pb6 cuboctahedra, and faces with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra. All Tl(1)-Tl(1) bond lengths are 3.49 Å. All Tl(1)-Pb(1) bond lengths are 3.54 Å. Pb(1) is bonded to six equivalent Tl(1) and six equivalent Pb(1) atoms to form distorted PbTl6Pb6 cuboctahedra that share corners with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra, edges with twelve equivalent Pb(1)Tl6Pb6 cuboctahedra, faces with six equivalent Pb(1)Tl6Pb6 cuboctahedra, and faces with twelve equivalent Tl(1)Tl6Pb6 cuboctahedra. All Pb(1)-Pb(1) bond lengths are 3.49 Å.