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Pb2Rh is Khatyrkite structured and crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Rh is bonded in a 10-coordinate geometry to two equivalent Rh and eight equivalent Pb atoms. Both Rh–Rh bond lengths are 2.97 Å. All Rh–Pb bond lengths are 2.94 Å. Pb is bonded in a 7-coordinate geometry to four equivalent Rh and one Pb atom. The Pb–Pb bond length is 3.22 Å.
RhPb crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Rh is bonded in a distorted q6 geometry to four equivalent Rh and six Pb atoms. All Rh–Rh bond lengths are 2.89 Å. There are four shorter (2.81 Å) and two longer (2.89 Å) Rh–Pb bond lengths. There are two inequivalent Pb sites. In the first Pb site, Pb is bonded in a 9-coordinate geometry to six equivalent Rh atoms. In the second Pb site, Pb is bonded in a hexagonal planar geometry to six equivalent Rh atoms.
Rh4Pb5 crystallizes in the orthorhombic Fmmm space group. The structure is three-dimensional. there are three inequivalent Rh sites. In the first Rh site, Rh is bonded in a 10-coordinate geometry to four equivalent Rh and six Pb atoms. All Rh–Rh bond lengths are 2.89 Å. There are a spread of Rh–Pb bond distances ranging from 2.78–2.92 Å. In the second Rh site, Rh is bonded in a 10-coordinate geometry to two equivalent Rh and eight Pb atoms. Both Rh–Rh bond lengths are 2.92 Å. There are four shorter (2.82 Å) and four longer (3.06 Å) Rh–Pb bond lengths. In the third Rh site, Rh is bonded in a 10-coordinate geometry to four Rh and six Pb atoms. Both Rh–Rh bond lengths are 2.92 Å. There are a spread of Rh–Pb bond distances ranging from 2.79–2.90 Å. There are four inequivalent Pb sites. In the first Pb site, Pb is bonded in a 6-coordinate geometry to six Rh atoms. In the second Pb site, Pb is bonded in a 5-coordinate geometry to five Rh atoms. In the third Pb site, Pb is bonded to six Rh and one Pb atom to form corner-sharing PbRh6Pb hexagonal pyramids. The Pb–Pb bond length is 3.39 Å. In the fourth Pb site, Pb is bonded in a 5-coordinate geometry to four equivalent Rh and one Pb atom.
Rh3Pb is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Rh sites. In the first Rh site, Rh is bonded to eight Rh and four equivalent Pb atoms to form RhRh8Pb4 cuboctahedra that share corners with twelve equivalent RhRh8Pb4 cuboctahedra, edges with eight equivalent PbRh12 cuboctahedra, edges with sixteen RhRh8Pb4 cuboctahedra, faces with four equivalent PbRh12 cuboctahedra, and faces with fourteen RhRh8Pb4 cuboctahedra. There are four shorter (2.82 Å) and four longer (2.90 Å) Rh–Rh bond lengths. All Rh–Pb bond lengths are 2.82 Å. In the second Rh site, Rh is bonded to eight equivalent Rh and four equivalent Pb atoms to form RhRh8Pb4 cuboctahedra that share corners with four equivalent RhRh8Pb4 cuboctahedra, corners with eight equivalent PbRh12 cuboctahedra, edges with twenty-four RhRh8Pb4 cuboctahedra, faces with six equivalent PbRh12 cuboctahedra, and faces with twelve RhRh8Pb4 cuboctahedra. All Rh–Pb bond lengths are 2.90 Å. Pb is bonded to twelve Rh atoms to form PbRh12 cuboctahedra that share corners with four equivalent PbRh12 cuboctahedra, corners with eight equivalent RhRh8Pb4 cuboctahedra, edges with eight equivalent PbRh12 cuboctahedra, edges with sixteen equivalent RhRh8Pb4 cuboctahedra, faces with four equivalent PbRh12 cuboctahedra, and faces with fourteen RhRh8Pb4 cuboctahedra.