Ce2Co7B3 crystallizes in the hexagonal P6/mmm space group. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a distorted hexagonal planar geometry to six equivalent Co(1) atoms. In the second Ce site, Ce(2) is bonded in a 18-coordinate geometry to twelve equivalent Co(3) and six equivalent B(1) atoms. In the third Ce site, Ce(3) is bonded in a 18-coordinate geometry to six equivalent Co(2), six equivalent Co(3), and six equivalent B(2) atoms. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to three equivalent Ce(1) and six equivalent Co(2) atoms. In the second Co site, Co(2) is bonded in a distorted L-shaped geometry to two equivalent Ce(3), two equivalent Co(1), and two equivalent B(2) atoms. In the third Co site, Co(3) is bonded in a distorted square co-planar geometry to two equivalent Ce(2), two equivalent Ce(3), two equivalent B(1), and two equivalent B(2) atoms. There are two inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to three equivalent Ce(2) and six equivalent Co(3) atoms. In the second B site, B(2) is bonded in a 6-coordinate geometry to three equivalent Ce(3), three equivalent Co(2), and three equivalent Co(3) atoms.
Ce2Co7B3 crystallizes in the hexagonal P6/mmm space group. There are three inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a distorted hexagonal planar geometry to six equivalent Co(1) atoms. All Ce(1)-Co(1) bond lengths are 2.90 Å. In the second Ce site, Ce(2) is bonded in a 18-coordinate geometry to twelve equivalent Co(3) and six equivalent B(1) atoms. All Ce(2)-Co(3) bond lengths are 2.92 Å. All Ce(2)-B(1) bond lengths are 2.90 Å. In the third Ce site, Ce(3) is bonded in a 18-coordinate geometry to six equivalent Co(2), six equivalent Co(3), and six equivalent B(2) atoms. All Ce(3)-Co(2) bond lengths are 2.83 Å. All Ce(3)-Co(3) bond lengths are 2.99 Å. All Ce(3)-B(2) bond lengths are 2.90 Å. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to three equivalent Ce(1) and six equivalent Co(2) atoms. All Co(1)-Co(2) bond lengths are 2.49 Å. In the second Co site, Co(2) is bonded in a distorted L-shaped geometry to two equivalent Ce(3), two equivalent Co(1), and two equivalent B(2) atoms. Both Co(2)-B(2) bond lengths are 2.05 Å. In the third Co site, Co(3) is bonded in a distorted square co-planar geometry to two equivalent Ce(2), two equivalent Ce(3), two equivalent B(1), and two equivalent B(2) atoms. Both Co(3)-B(1) bond lengths are 2.08 Å. Both Co(3)-B(2) bond lengths are 2.08 Å. There are two inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to three equivalent Ce(2) and six equivalent Co(3) atoms. In the second B site, B(2) is bonded in a 6-coordinate geometry to three equivalent Ce(3), three equivalent Co(2), and three equivalent Co(3) atoms.