Ce4Rh13Ge9 crystallizes in the orthorhombic Pmmn space group. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 16-coordinate geometry to one Rh(1), one Rh(3), one Rh(6), one Rh(8), two equivalent Rh(2), two equivalent Rh(5), two equivalent Rh(7), two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(6) atoms. In the second Ce site, Ce(2) is bonded in a 16-coordinate geometry to two equivalent Rh(5), two equivalent Rh(7), six equivalent Rh(1), two equivalent Ge(1), and four equivalent Ge(2) atoms. In the third Ce site, Ce(3) is bonded in a 18-coordinate geometry to two equivalent Rh(2), two equivalent Rh(3), two equivalent Rh(6), six equivalent Rh(4), two equivalent Ge(5), and four equivalent Ge(3) atoms. There are eight inequivalent Rh sites. In the first Rh site, Rh(3) is bonded in a 5-coordinate geometry to one Ce(1), one Ce(3), one Ge(3), two equivalent Ge(4), and two equivalent Ge(5) atoms. In the second Rh site, Rh(4) is bonded in a 6-coordinate geometry to three equivalent Ce(3), one Ge(5), and three equivalent Ge(3) atoms. In the third Rh site, Rh(5) is bonded in a 6-coordinate geometry to one Ce(2), two equivalent Ce(1), one Ge(2), one Ge(4), and two equivalent Ge(1) atoms. In the fourth Rh site, Rh(6) is bonded to two equivalent Ce(1), two equivalent Ce(3), two equivalent Ge(3), and two equivalent Ge(6) atoms to form a mixture of distorted corner and edge-sharing RhCe4Ge4 tetrahedra. In the fifth Rh site, Rh(7) is bonded in a 9-coordinate geometry to two equivalent Ce(2), four equivalent Ce(1), one Ge(6), and two equivalent Ge(2) atoms. In the sixth Rh site, Rh(8) is bonded in a 5-coordinate geometry to two equivalent Ce(1), one Ge(1), and four equivalent Ge(4) atoms. In the seventh Rh site, Rh(1) is bonded to one Ce(1), three equivalent Ce(2), one Ge(1), and three equivalent Ge(2) atoms to form a mixture of distorted face, corner, and edge-sharing RhCe4Ge4 tetrahedra. In the eighth Rh site, Rh(2) is bonded in a 6-coordinate geometry to one Ce(3), two equivalent Ce(1), one Ge(4), one Ge(6), and two equivalent Ge(3) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ce(2), one Rh(8), two equivalent Rh(1), and four equivalent Rh(5) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), one Rh(5), one Rh(7), and three equivalent Rh(1) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Ce(3), one Rh(3), one Rh(6), two equivalent Rh(2), and three equivalent Rh(4) atoms. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Rh(2), one Rh(5), two equivalent Rh(3), and two equivalent Rh(8) atoms. In the fifth Ge site, Ge(5) is bonded in a 8-coordinate geometry to two equivalent Ce(3), two equivalent Rh(4), and four equivalent Rh(3) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to four equivalent Ce(1), one Rh(7), two equivalent Rh(2), and two equivalent Rh(6) atoms.
Ce4Rh13Ge9 crystallizes in the orthorhombic Pmmn space group. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 16-coordinate geometry to one Rh(1), one Rh(3), one Rh(6), one Rh(8), two equivalent Rh(2), two equivalent Rh(5), two equivalent Rh(7), two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(6) atoms. The Ce(1)-Rh(1) bond length is 3.42 Å. The Ce(1)-Rh(3) bond length is 3.56 Å. The Ce(1)-Rh(6) bond length is 3.44 Å. The Ce(1)-Rh(8) bond length is 3.55 Å. Both Ce(1)-Rh(2) bond lengths are 3.20 Å. Both Ce(1)-Rh(5) bond lengths are 3.18 Å. Both Ce(1)-Rh(7) bond lengths are 3.20 Å. Both Ce(1)-Ge(2) bond lengths are 3.20 Å. Both Ce(1)-Ge(4) bond lengths are 3.14 Å. Both Ce(1)-Ge(6) bond lengths are 3.17 Å. In the second Ce site, Ce(2) is bonded in a 16-coordinate geometry to two equivalent Rh(5), two equivalent Rh(7), six equivalent Rh(1), two equivalent Ge(1), and four equivalent Ge(2) atoms. Both Ce(2)-Rh(5) bond lengths are 3.53 Å. Both Ce(2)-Rh(7) bond lengths are 3.11 Å. There are four shorter (3.30 Å) and two longer (3.46 Å) Ce(2)-Rh(1) bond lengths. Both Ce(2)-Ge(1) bond lengths are 3.14 Å. All Ce(2)-Ge(2) bond lengths are 3.15 Å. In the third Ce site, Ce(3) is bonded in a 18-coordinate geometry to two equivalent Rh(2), two equivalent Rh(3), two equivalent Rh(6), six equivalent Rh(4), two equivalent Ge(5), and four equivalent Ge(3) atoms. Both Ce(3)-Rh(2) bond lengths are 3.54 Å. Both Ce(3)-Rh(3) bond lengths are 3.56 Å. Both Ce(3)-Rh(6) bond lengths are 3.33 Å. There are four shorter (3.18 Å) and two longer (3.54 Å) Ce(3)-Rh(4) bond lengths. Both Ce(3)-Ge(5) bond lengths are 3.13 Å. All Ce(3)-Ge(3) bond lengths are 3.15 Å. There are eight inequivalent Rh sites. In the first Rh site, Rh(3) is bonded in a 5-coordinate geometry to one Ce(1), one Ce(3), one Ge(3), two equivalent Ge(4), and two equivalent Ge(5) atoms. The Rh(3)-Ge(3) bond length is 2.47 Å. Both Rh(3)-Ge(4) bond lengths are 2.59 Å. Both Rh(3)-Ge(5) bond lengths are 2.60 Å. In the second Rh site, Rh(4) is bonded in a 6-coordinate geometry to three equivalent Ce(3), one Ge(5), and three equivalent Ge(3) atoms. The Rh(4)-Ge(5) bond length is 2.50 Å. There is one shorter (2.47 Å) and two longer (2.60 Å) Rh(4)-Ge(3) bond lengths. In the third Rh site, Rh(5) is bonded in a 6-coordinate geometry to one Ce(2), two equivalent Ce(1), one Ge(2), one Ge(4), and two equivalent Ge(1) atoms. The Rh(5)-Ge(2) bond length is 2.47 Å. The Rh(5)-Ge(4) bond length is 2.50 Å. Both Rh(5)-Ge(1) bond lengths are 2.57 Å. In the fourth Rh site, Rh(6) is bonded to two equivalent Ce(1), two equivalent Ce(3), two equivalent Ge(3), and two equivalent Ge(6) atoms to form a mixture of distorted corner and edge-sharing RhCe4Ge4 tetrahedra. Both Rh(6)-Ge(3) bond lengths are 2.51 Å. Both Rh(6)-Ge(6) bond lengths are 2.48 Å. In the fifth Rh site, Rh(7) is bonded in a 9-coordinate geometry to two equivalent Ce(2), four equivalent Ce(1), one Ge(6), and two equivalent Ge(2) atoms. The Rh(7)-Ge(6) bond length is 2.48 Å. Both Rh(7)-Ge(2) bond lengths are 2.47 Å. In the sixth Rh site, Rh(8) is bonded in a 5-coordinate geometry to two equivalent Ce(1), one Ge(1), and four equivalent Ge(4) atoms. The Rh(8)-Ge(1) bond length is 2.47 Å. All Rh(8)-Ge(4) bond lengths are 2.60 Å. In the seventh Rh site, Rh(1) is bonded to one Ce(1), three equivalent Ce(2), one Ge(1), and three equivalent Ge(2) atoms to form a mixture of distorted face, corner, and edge-sharing RhCe4Ge4 tetrahedra. The Rh(1)-Ge(1) bond length is 2.52 Å. There are two shorter (2.46 Å) and one longer (2.50 Å) Rh(1)-Ge(2) bond length. In the eighth Rh site, Rh(2) is bonded in a 6-coordinate geometry to one Ce(3), two equivalent Ce(1), one Ge(4), one Ge(6), and two equivalent Ge(3) atoms. The Rh(2)-Ge(4) bond length is 2.50 Å. The Rh(2)-Ge(6) bond length is 2.48 Å. Both Rh(2)-Ge(3) bond lengths are 2.54 Å. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ce(2), one Rh(8), two equivalent Rh(1), and four equivalent Rh(5) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), one Rh(5), one Rh(7), and three equivalent Rh(1) atoms. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to two equivalent Ce(3), one Rh(3), one Rh(6), two equivalent Rh(2), and three equivalent Rh(4) atoms. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to two equivalent Ce(1), one Rh(2), one Rh(5), two equivalent Rh(3), and two equivalent Rh(8) atoms. In the fifth Ge site, Ge(5) is bonded in a 8-coordinate geometry to two equivalent Ce(3), two equivalent Rh(4), and four equivalent Rh(3) atoms. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to four equivalent Ce(1), one Rh(7), two equivalent Rh(2), and two equivalent Rh(6) atoms.