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LaRh2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to twelve equivalent Rh atoms. All La–Rh bond lengths are 3.20 Å. Rh is bonded to six equivalent La and six equivalent Rh atoms to form a mixture of edge, face, and corner-sharing RhLa6Rh6 cuboctahedra. All Rh–Rh bond lengths are 2.73 Å.
La2Rh7 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 12-coordinate geometry to twelve Rh atoms. There are a spread of La–Rh bond distances ranging from 3.05–3.44 Å. In the second La site, La is bonded in a 6-coordinate geometry to eighteen Rh atoms. There are a spread of La–Rh bond distances ranging from 3.09–3.57 Å. There are five inequivalent Rh sites. In the first Rh site, Rh is bonded in a 3-coordinate geometry to three equivalent La and nine Rh atoms. There are a spread of Rh–Rh bond distances ranging from 2.67–3.08 Å. In the second Rh site, Rh is bonded to four equivalent La and eight Rh atoms to form a mixture of edge, face, and corner-sharing RhLa4Rh8 cuboctahedra. There are four shorter (2.67 Å) and two longer (2.70 Å) Rh–Rh bond lengths. In the third Rh site, Rh is bonded to five La and seven Rh atoms to form a mixture of distorted edge, face, and corner-sharing RhLa5Rh7 cuboctahedra. There are a spread of Rh–Rh bond distances ranging from 2.66–2.75 Å. In the fourth Rh site, Rh is bonded in a 3-coordinate geometry to three equivalent La and nine Rh atoms. In the fifth Rh site, Rh is bonded to six equivalent La and six equivalent Rh atoms to form RhLa6Rh6 cuboctahedra that share corners with twelve equivalent RhLa5Rh7 cuboctahedra, edges with six equivalent RhLa6Rh6 cuboctahedra, and faces with eighteen equivalent RhLa5Rh7 cuboctahedra.
LaRh crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. La is bonded in a 7-coordinate geometry to seven equivalent Rh atoms. There are a spread of La–Rh bond distances ranging from 2.97–3.25 Å. Rh is bonded in a 5-coordinate geometry to seven equivalent La and two equivalent Rh atoms. Both Rh–Rh bond lengths are 2.92 Å.
Rh3La crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 12-coordinate geometry to twelve Rh atoms. There are a spread of La–Rh bond distances ranging from 3.09–3.39 Å. In the second La site, La is bonded in a distorted hexagonal planar geometry to eighteen Rh atoms. There are six shorter (3.10 Å) and twelve longer (3.47 Å) La–Rh bond lengths. There are four inequivalent Rh sites. In the first Rh site, Rh is bonded to five La and seven Rh atoms to form a mixture of distorted corner, edge, and face-sharing RhLa5Rh7 cuboctahedra. There are a spread of Rh–Rh bond distances ranging from 2.68–2.75 Å. In the second Rh site, Rh is bonded in a 12-coordinate geometry to three equivalent La and six equivalent Rh atoms. In the third Rh site, Rh is bonded in a 12-coordinate geometry to three equivalent La and six equivalent Rh atoms. In the fourth Rh site, Rh is bonded to six equivalent La and six equivalent Rh atoms to form RhLa6Rh6 cuboctahedra that share corners with twelve equivalent RhLa5Rh7 cuboctahedra, edges with six equivalent RhLa6Rh6 cuboctahedra, and faces with eighteen equivalent RhLa5Rh7 cuboctahedra.
Rh3La is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. La is bonded to twelve equivalent Rh atoms to form a mixture of face and corner-sharing LaRh12 cuboctahedra. All La–Rh bond lengths are 2.93 Å. Rh is bonded in a distorted square co-planar geometry to four equivalent La atoms.
La2Rh7 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. there are five inequivalent La sites. In the first La site, La is bonded in a 6-coordinate geometry to eighteen Rh atoms. There are a spread of La–Rh bond distances ranging from 3.09–3.57 Å. In the second La site, La is bonded in a 6-coordinate geometry to eighteen Rh atoms. There are a spread of La–Rh bond distances ranging from 3.09–3.57 Å. In the third La site, La is bonded in a 12-coordinate geometry to twelve Rh atoms. There are a spread of La–Rh bond distances ranging from 3.05–3.44 Å. In the fourth La site, La is bonded in a 6-coordinate geometry to eighteen Rh atoms. There are a spread of La–Rh bond distances ranging from 3.09–3.57 Å. In the fifth La site, La is bonded in a 6-coordinate geometry to eighteen Rh atoms. There are a spread of La–Rh bond distances ranging from 3.09–3.57 Å. There are eight inequivalent Rh sites. In the first Rh site, Rh is bonded to six equivalent La and six equivalent Rh atoms to form RhLa6Rh6 cuboctahedra that share corners with twelve equivalent RhLa5Rh7 cuboctahedra, edges with six equivalent RhLa6Rh6 cuboctahedra, and faces with eighteen equivalent RhLa5Rh7 cuboctahedra. All Rh–Rh bond lengths are 2.75 Å. In the second Rh site, Rh is bonded in a 3-coordinate geometry to three equivalent La and nine Rh atoms. There are a spread of Rh–Rh bond distances ranging from 2.65–3.08 Å. In the third Rh site, Rh is bonded to four La and eight Rh atoms to form RhLa4Rh8 cuboctahedra that share corners with sixteen RhLa5Rh7 cuboctahedra, edges with ten RhLa5Rh7 cuboctahedra, and faces with ten RhLa4Rh8 cuboctahedra. There are a spread of Rh–Rh bond distances ranging from 2.67–2.70 Å. In the fourth Rh site, Rh is bonded in a 3-coordinate geometry to three equivalent La and nine Rh atoms. There are three shorter (2.67 Å) and three longer (2.69 Å) Rh–Rh bond lengths. In the fifth Rh site, Rh is bonded to four La and eight Rh atoms to form RhLa4Rh8 cuboctahedra that share corners with sixteen RhLa5Rh7 cuboctahedra, edges with ten RhLa5Rh7 cuboctahedra, and faces with ten RhLa4Rh8 cuboctahedra. There are a spread of Rh–Rh bond distances ranging from 2.67–2.70 Å. In the sixth Rh site, Rh is bonded to four equivalent La and eight Rh atoms to form a mixture of edge, face, and corner-sharing RhLa4Rh8 cuboctahedra. All Rh–Rh bond lengths are 2.67 Å. In the seventh Rh site, Rh is bonded to four equivalent La and eight Rh atoms to form a mixture of edge, face, and corner-sharing RhLa4Rh8 cuboctahedra. Both Rh–Rh bond lengths are 2.69 Å. In the eighth Rh site, Rh is bonded to five La and seven Rh atoms to form distorted RhLa5Rh7 cuboctahedra that share corners with seventeen RhLa6Rh6 cuboctahedra, edges with eight RhLa4Rh8 cuboctahedra, and faces with fourteen RhLa6Rh6 cuboctahedra. All Rh–Rh bond lengths are 2.67 Å.