ThLu is alpha La-derived structured and crystallizes in the trigonal R-3m space group. Th(1) is bonded to six equivalent Th(1) and six equivalent Lu(1) atoms to form ThLu6Th6 cuboctahedra that share corners with twelve equivalent Th(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Th(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Lu(1)Lu6Th6 cuboctahedra, faces with six equivalent Th(1)Lu6Th6 cuboctahedra, and faces with twelve equivalent Lu(1)Lu6Th6 cuboctahedra. Lu(1) is bonded to six equivalent Th(1) and six equivalent Lu(1) atoms to form LuLu6Th6 cuboctahedra that share corners with twelve equivalent Lu(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Th(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Lu(1)Lu6Th6 cuboctahedra, faces with six equivalent Lu(1)Lu6Th6 cuboctahedra, and faces with twelve equivalent Th(1)Lu6Th6 cuboctahedra.
ThLu is alpha La-derived structured and crystallizes in the trigonal R-3m space group. Th(1) is bonded to six equivalent Th(1) and six equivalent Lu(1) atoms to form ThLu6Th6 cuboctahedra that share corners with twelve equivalent Th(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Th(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Lu(1)Lu6Th6 cuboctahedra, faces with six equivalent Th(1)Lu6Th6 cuboctahedra, and faces with twelve equivalent Lu(1)Lu6Th6 cuboctahedra. All Th(1)-Th(1) bond lengths are 3.53 Å. All Th(1)-Lu(1) bond lengths are 3.49 Å. Lu(1) is bonded to six equivalent Th(1) and six equivalent Lu(1) atoms to form LuLu6Th6 cuboctahedra that share corners with twelve equivalent Lu(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Th(1)Lu6Th6 cuboctahedra, edges with twelve equivalent Lu(1)Lu6Th6 cuboctahedra, faces with six equivalent Lu(1)Lu6Th6 cuboctahedra, and faces with twelve equivalent Th(1)Lu6Th6 cuboctahedra. All Lu(1)-Lu(1) bond lengths are 3.53 Å.