CeRh2Si crystallizes in the orthorhombic Cmcm space group. Ce(1) is bonded in a 14-coordinate geometry to four equivalent Rh(2), six equivalent Rh(1), and four equivalent Si(1) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to six equivalent Ce(1), two equivalent Rh(1), and one Si(1) atom. In the second Rh site, Rh(2) is bonded to four equivalent Ce(1) and four equivalent Si(1) atoms to form a mixture of distorted edge and face-sharing RhCe4Si4 tetrahedra. Si(1) is bonded in a 5-coordinate geometry to four equivalent Ce(1), one Rh(1), and four equivalent Rh(2) atoms.
CeRh2Si crystallizes in the orthorhombic Cmcm space group. Ce(1) is bonded in a 14-coordinate geometry to four equivalent Rh(2), six equivalent Rh(1), and four equivalent Si(1) atoms. All Ce(1)-Rh(2) bond lengths are 3.39 Å. There are four shorter (2.99 Å) and two longer (3.33 Å) Ce(1)-Rh(1) bond lengths. All Ce(1)-Si(1) bond lengths are 3.20 Å. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to six equivalent Ce(1), two equivalent Rh(1), and one Si(1) atom. Both Rh(1)-Rh(1) bond lengths are 2.67 Å. The Rh(1)-Si(1) bond length is 2.36 Å. In the second Rh site, Rh(2) is bonded to four equivalent Ce(1) and four equivalent Si(1) atoms to form a mixture of distorted edge and face-sharing RhCe4Si4 tetrahedra. There are two shorter (2.37 Å) and two longer (2.39 Å) Rh(2)-Si(1) bond lengths. Si(1) is bonded in a 5-coordinate geometry to four equivalent Ce(1), one Rh(1), and four equivalent Rh(2) atoms.