Materials Data on CeRuRh by Materials Project

Abstract

CeRuRh is Hexagonal Laves-derived structured and crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to six equivalent Ru and six equivalent Rh atoms. There are four shorter (3.15 Å) and two longer (3.23 Å) Ce–Ru bond lengths. There are four shorter (3.05 Å) and two longer (3.28 Å) Ce–Rh bond lengths. Ru is bonded to six equivalent Ce, two equivalent Ru, and four equivalent Rh atoms to form RuCe6Ru2Rh4 cuboctahedra that share corners with eight equivalent RhCe6Ru4Rh2 cuboctahedra, corners with ten equivalent RuCe6Ru2Rh4 cuboctahedra, edges with six equivalent RuCe6Ru2Rh4 cuboctahedra, faces with six equivalent RuCe6Ru2Rh4 cuboctahedra, and faces with twelve equivalent RhCe6Ru4Rh2 cuboctahedra. Both Ru–Ru bond lengths are 2.55 Å. All Ru–Rh bond lengths are 2.72 Å. Rh is bonded to six equivalent Ce, four equivalent Ru, and two equivalent Rh atoms to form RhCe6Ru4Rh2 cuboctahedra that share corners with eight equivalent RuCe6Ru2Rh4 cuboctahedra, corners with ten equivalent RhCe6Ru4Rh2 cuboctahedra, edges with six equivalent RhCe6Ru4Rh2 cuboctahedra, faces with six equivalent RhCe6Ru4Rh2 cuboctahedra, and faces with twelve equivalent RuCe6Ru2Rh4 cuboctahedra. Both Rh–Rh bond lengths are 2.70 Å.