CeRh2GeSi crystallizes in the tetragonal I4mm space group. Ce(1) is bonded in a 16-coordinate geometry to eight equivalent Rh(1), four equivalent Ge(1), and four equivalent Si(1) atoms. Rh(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1), two equivalent Ge(1), and two equivalent Si(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ce(1), four equivalent Rh(1), and one Si(1) atom. Si(1) is bonded in a 9-coordinate geometry to four equivalent Ce(1), four equivalent Rh(1), and one Ge(1) atom.
CeRh2GeSi crystallizes in the tetragonal I4mm space group. Ce(1) is bonded in a 16-coordinate geometry to eight equivalent Rh(1), four equivalent Ge(1), and four equivalent Si(1) atoms. There are four shorter (3.25 Å) and four longer (3.35 Å) Ce(1)-Rh(1) bond lengths. All Ce(1)-Ge(1) bond lengths are 3.17 Å. All Ce(1)-Si(1) bond lengths are 3.20 Å. Rh(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1), two equivalent Ge(1), and two equivalent Si(1) atoms. Both Rh(1)-Ge(1) bond lengths are 2.50 Å. Both Rh(1)-Si(1) bond lengths are 2.40 Å. Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ce(1), four equivalent Rh(1), and one Si(1) atom. The Ge(1)-Si(1) bond length is 2.53 Å. Si(1) is bonded in a 9-coordinate geometry to four equivalent Ce(1), four equivalent Rh(1), and one Ge(1) atom.