Materials Data on CeSiGeRh2 by Materials Project
CeRh2GeSi crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to eight equivalent Rh, four equivalent Ge, and four equivalent Si atoms. There are four shorter (3.25 Å) and four longer (3.35 Å) Ce–Rh bond lengths. All Ce–Ge bond lengths are 3.17 Å. All Ce–Si bond lengths are 3.20 Å. Rh is bonded in a 4-coordinate geometry to four equivalent Ce, two equivalent Ge, and two equivalent Si atoms. Both Rh–Ge bond lengths are 2.50 Å. Both Rh–Si bond lengths are 2.40 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Ce, four equivalent Rh, and one Si atom. The Ge–Si bond length is 2.53 Å. Si is bonded in a 9-coordinate geometry to four equivalent Ce, four equivalent Rh, and one Ge atom.