Ce8Re13B12 crystallizes in the trigonal R-3m space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 18-coordinate geometry to three equivalent Ce(2), three equivalent Re(3), six equivalent Re(2), and six equivalent B(2) atoms. In the second Ce site, Ce(2) is bonded in a 18-coordinate geometry to one Ce(1), two equivalent Ce(2), one Re(1), four equivalent Re(2), four equivalent Re(3), two equivalent B(2), and four equivalent B(1) atoms. There are three inequivalent Re sites. In the first Re site, Re(1) is bonded in a cuboctahedral geometry to six equivalent Ce(2) and six equivalent Re(3) atoms. In the second Re site, Re(2) is bonded in a 4-coordinate geometry to two equivalent Ce(1), four equivalent Ce(2), two equivalent B(1), and two equivalent B(2) atoms. In the third Re site, Re(3) is bonded in a 2-coordinate geometry to one Ce(1), four equivalent Ce(2), one Re(1), and two equivalent B(1) atoms. There are two inequivalent B sites. In the first B site, B(2) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), two equivalent Re(2), one B(1), and two equivalent B(2) atoms. In the second B site, B(1) is bonded in a 9-coordinate geometry to four equivalent Ce(2), two equivalent Re(2), two equivalent Re(3), and one B(2) atom.
Ce8Re13B12 crystallizes in the trigonal R-3m space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 18-coordinate geometry to three equivalent Ce(2), three equivalent Re(3), six equivalent Re(2), and six equivalent B(2) atoms. All Ce(1)-Ce(2) bond lengths are 3.09 Å. All Ce(1)-Re(3) bond lengths are 3.22 Å. There are three shorter (3.30 Å) and three longer (3.38 Å) Ce(1)-Re(2) bond lengths. All Ce(1)-B(2) bond lengths are 2.79 Å. In the second Ce site, Ce(2) is bonded in a 18-coordinate geometry to one Ce(1), two equivalent Ce(2), one Re(1), four equivalent Re(2), four equivalent Re(3), two equivalent B(2), and four equivalent B(1) atoms. Both Ce(2)-Ce(2) bond lengths are 3.11 Å. The Ce(2)-Re(1) bond length is 3.08 Å. There are two shorter (3.32 Å) and two longer (3.36 Å) Ce(2)-Re(2) bond lengths. There are a spread of Ce(2)-Re(3) bond distances ranging from 3.02-3.39 Å. Both Ce(2)-B(2) bond lengths are 2.79 Å. There are two shorter (2.86 Å) and two longer (3.14 Å) Ce(2)-B(1) bond lengths. There are three inequivalent Re sites. In the first Re site, Re(1) is bonded in a cuboctahedral geometry to six equivalent Ce(2) and six equivalent Re(3) atoms. All Re(1)-Re(3) bond lengths are 2.83 Å. In the second Re site, Re(2) is bonded in a 4-coordinate geometry to two equivalent Ce(1), four equivalent Ce(2), two equivalent B(1), and two equivalent B(2) atoms. Both Re(2)-B(1) bond lengths are 2.20 Å. Both Re(2)-B(2) bond lengths are 2.24 Å. In the third Re site, Re(3) is bonded in a 2-coordinate geometry to one Ce(1), four equivalent Ce(2), one Re(1), and two equivalent B(1) atoms. Both Re(3)-B(1) bond lengths are 2.23 Å. There are two inequivalent B sites. In the first B site, B(2) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(2), two equivalent Re(2), one B(1), and two equivalent B(2) atoms. The B(2)-B(1) bond length is 1.87 Å. Both B(2)-B(2) bond lengths are 1.83 Å. In the second B site, B(1) is bonded in a 9-coordinate geometry to four equivalent Ce(2), two equivalent Re(2), two equivalent Re(3), and one B(2) atom.