LuHo3 crystallizes in the hexagonal P6_3/mmc space group. Lu(1) is bonded to twelve equivalent Ho(1) atoms to form LuHo12 cuboctahedra that share corners with six equivalent Lu(1)Ho12 cuboctahedra, corners with twelve equivalent Ho(1)Ho8Lu4 cuboctahedra, edges with eighteen equivalent Ho(1)Ho8Lu4 cuboctahedra, faces with eight equivalent Lu(1)Ho12 cuboctahedra, and faces with twelve equivalent Ho(1)Ho8Lu4 cuboctahedra. Ho(1) is bonded to four equivalent Lu(1) and eight equivalent Ho(1) atoms to form HoHo8Lu4 cuboctahedra that share corners with four equivalent Lu(1)Ho12 cuboctahedra, corners with fourteen equivalent Ho(1)Ho8Lu4 cuboctahedra, edges with six equivalent Lu(1)Ho12 cuboctahedra, edges with twelve equivalent Ho(1)Ho8Lu4 cuboctahedra, faces with four equivalent Lu(1)Ho12 cuboctahedra, and faces with sixteen equivalent Ho(1)Ho8Lu4 cuboctahedra.
LuHo3 crystallizes in the hexagonal P6_3/mmc space group. Lu(1) is bonded to twelve equivalent Ho(1) atoms to form LuHo12 cuboctahedra that share corners with six equivalent Lu(1)Ho12 cuboctahedra, corners with twelve equivalent Ho(1)Ho8Lu4 cuboctahedra, edges with eighteen equivalent Ho(1)Ho8Lu4 cuboctahedra, faces with eight equivalent Lu(1)Ho12 cuboctahedra, and faces with twelve equivalent Ho(1)Ho8Lu4 cuboctahedra. There are six shorter (3.45 Å) and six longer (3.58 Å) Lu(1)-Ho(1) bond lengths. Ho(1) is bonded to four equivalent Lu(1) and eight equivalent Ho(1) atoms to form HoHo8Lu4 cuboctahedra that share corners with four equivalent Lu(1)Ho12 cuboctahedra, corners with fourteen equivalent Ho(1)Ho8Lu4 cuboctahedra, edges with six equivalent Lu(1)Ho12 cuboctahedra, edges with twelve equivalent Ho(1)Ho8Lu4 cuboctahedra, faces with four equivalent Lu(1)Ho12 cuboctahedra, and faces with sixteen equivalent Ho(1)Ho8Lu4 cuboctahedra. There are a spread of Ho(1)-Ho(1) bond distances ranging from 3.46-3.60 Å.