Ce2Rh3Sb4 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 15-coordinate geometry to one Rh(3), two equivalent Rh(2), three equivalent Rh(1), one Sb(1), two equivalent Sb(4), three equivalent Sb(2), and three equivalent Sb(3) atoms. In the second Ce site, Ce(2) is bonded in a 17-coordinate geometry to two equivalent Rh(1), three equivalent Rh(2), three equivalent Rh(3), one Sb(3), two equivalent Sb(2), three equivalent Sb(1), and three equivalent Sb(4) atoms. There are three inequivalent Rh sites. In the first Rh site, Rh(3) is bonded in a 8-coordinate geometry to one Ce(1), three equivalent Ce(2), one Sb(2), and three equivalent Sb(4) atoms. In the second Rh site, Rh(1) is bonded in a 7-coordinate geometry to two equivalent Ce(2), three equivalent Ce(1), one Sb(1), one Sb(2), one Sb(4), and two equivalent Sb(3) atoms. In the third Rh site, Rh(2) is bonded in a 5-coordinate geometry to two equivalent Ce(1), three equivalent Ce(2), one Sb(2), one Sb(3), and three equivalent Sb(1) atoms. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 8-coordinate geometry to one Ce(1), three equivalent Ce(2), one Rh(1), and three equivalent Rh(2) atoms. In the second Sb site, Sb(2) is bonded in a 7-coordinate geometry to two equivalent Ce(2), three equivalent Ce(1), one Rh(1), one Rh(2), and one Rh(3) atom. In the third Sb site, Sb(3) is bonded in a 6-coordinate geometry to one Ce(2), three equivalent Ce(1), one Rh(2), and two equivalent Rh(1) atoms. In the fourth Sb site, Sb(4) is bonded in a 8-coordinate geometry to two equivalent Ce(1), three equivalent Ce(2), one Rh(1), and three equivalent Rh(3) atoms.
Ce2Rh3Sb4 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 15-coordinate geometry to one Rh(3), two equivalent Rh(2), three equivalent Rh(1), one Sb(1), two equivalent Sb(4), three equivalent Sb(2), and three equivalent Sb(3) atoms. The Ce(1)-Rh(3) bond length is 3.41 Å. Both Ce(1)-Rh(2) bond lengths are 3.45 Å. There are two shorter (3.28 Å) and one longer (3.57 Å) Ce(1)-Rh(1) bond length. The Ce(1)-Sb(1) bond length is 3.32 Å. Both Ce(1)-Sb(4) bond lengths are 3.30 Å. There are two shorter (3.46 Å) and one longer (3.78 Å) Ce(1)-Sb(2) bond length. There are two shorter (3.24 Å) and one longer (3.33 Å) Ce(1)-Sb(3) bond length. In the second Ce site, Ce(2) is bonded in a 17-coordinate geometry to two equivalent Rh(1), three equivalent Rh(2), three equivalent Rh(3), one Sb(3), two equivalent Sb(2), three equivalent Sb(1), and three equivalent Sb(4) atoms. Both Ce(2)-Rh(1) bond lengths are 3.72 Å. There are two shorter (3.54 Å) and one longer (3.66 Å) Ce(2)-Rh(2) bond length. There is one shorter (3.19 Å) and two longer (3.39 Å) Ce(2)-Rh(3) bond lengths. The Ce(2)-Sb(3) bond length is 3.68 Å. Both Ce(2)-Sb(2) bond lengths are 3.41 Å. There are two shorter (3.33 Å) and one longer (3.57 Å) Ce(2)-Sb(1) bond length. There are two shorter (3.45 Å) and one longer (3.81 Å) Ce(2)-Sb(4) bond length. There are three inequivalent Rh sites. In the first Rh site, Rh(3) is bonded in a 8-coordinate geometry to one Ce(1), three equivalent Ce(2), one Sb(2), and three equivalent Sb(4) atoms. The Rh(3)-Sb(2) bond length is 2.61 Å. There is one shorter (2.64 Å) and two longer (2.65 Å) Rh(3)-Sb(4) bond lengths. In the second Rh site, Rh(1) is bonded in a 7-coordinate geometry to two equivalent Ce(2), three equivalent Ce(1), one Sb(1), one Sb(2), one Sb(4), and two equivalent Sb(3) atoms. The Rh(1)-Sb(1) bond length is 2.64 Å. The Rh(1)-Sb(2) bond length is 2.70 Å. The Rh(1)-Sb(4) bond length is 2.63 Å. Both Rh(1)-Sb(3) bond lengths are 2.62 Å. In the third Rh site, Rh(2) is bonded in a 5-coordinate geometry to two equivalent Ce(1), three equivalent Ce(2), one Sb(2), one Sb(3), and three equivalent Sb(1) atoms. The Rh(2)-Sb(2) bond length is 2.57 Å. The Rh(2)-Sb(3) bond length is 2.66 Å. All Rh(2)-Sb(1) bond lengths are 2.61 Å. There are four inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 8-coordinate geometry to one Ce(1), three equivalent Ce(2), one Rh(1), and three equivalent Rh(2) atoms. In the second Sb site, Sb(2) is bonded in a 7-coordinate geometry to two equivalent Ce(2), three equivalent Ce(1), one Rh(1), one Rh(2), and one Rh(3) atom. In the third Sb site, Sb(3) is bonded in a 6-coordinate geometry to one Ce(2), three equivalent Ce(1), one Rh(2), and two equivalent Rh(1) atoms. In the fourth Sb site, Sb(4) is bonded in a 8-coordinate geometry to two equivalent Ce(1), three equivalent Ce(2), one Rh(1), and three equivalent Rh(3) atoms.