Ce2VCo16 crystallizes in the monoclinic C2/m space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 20-coordinate geometry to one V(1), one Co(11), one Co(12), one Co(5), one Co(7), one Co(9), two equivalent Co(1), two equivalent Co(10), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), two equivalent Co(6), and two equivalent Co(8) atoms. In the second Ce site, Ce(2) is bonded in a 18-coordinate geometry to two equivalent Co(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(5), two equivalent Co(7), four equivalent Co(4), and four equivalent Co(6) atoms. V(1) is bonded in a 14-coordinate geometry to one Ce(1), one Co(11), one Co(12), one Co(7), two equivalent Co(1), two equivalent Co(10), two equivalent Co(2), two equivalent Co(3), and two equivalent Co(6) atoms. There are twelve inequivalent Co sites. In the first Co site, Co(8) is bonded to two equivalent Ce(1), two equivalent Co(1), two equivalent Co(12), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(5) atoms to form CoCe2Co10 cuboctahedra that share corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with four equivalent Co(4)Ce3Co9 cuboctahedra, corners with four equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(7)Ce3VCo8 cuboctahedra, faces with two equivalent Co(8)Ce2Co10 cuboctahedra, faces with two equivalent Co(9)Ce2Co10 cuboctahedra, faces with two equivalent Co(10)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(4)Ce3Co9 cuboctahedra, and faces with two equivalent Co(5)Ce3Co9 cuboctahedra. In the second Co site, Co(9) is bonded to two equivalent Ce(1), two equivalent Co(12), four equivalent Co(2), and four equivalent Co(4) atoms to form CoCe2Co10 cuboctahedra that share corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with four equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with four equivalent Co(5)Ce3Co9 cuboctahedra, corners with four equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(5)Ce3Co9 cuboctahedra, edges with four equivalent Co(6)Ce3VCo8 cuboctahedra, faces with two equivalent Co(11)Ce2V2Co8 cuboctahedra, faces with four equivalent Co(8)Ce2Co10 cuboctahedra, and faces with four equivalent Co(4)Ce3Co9 cuboctahedra. In the third Co site, Co(10) is bonded to two equivalent Ce(1), two equivalent V(1), two equivalent Co(1), two equivalent Co(3), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoCe2V2Co8 cuboctahedra that share corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with four equivalent Co(4)Ce3Co9 cuboctahedra, corners with four equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(5)Ce3Co9 cuboctahedra, edges with two equivalent Co(6)Ce3VCo8 cuboctahedra, faces with two equivalent Co(8)Ce2Co10 cuboctahedra, faces with two equivalent Co(10)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(11)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(6)Ce3VCo8 cuboctahedra, and faces with two equivalent Co(7)Ce3VCo8 cuboctahedra. In the fourth Co site, Co(11) is bonded to two equivalent Ce(1), two equivalent V(1), four equivalent Co(2), and four equivalent Co(6) atoms to form distorted CoCe2V2Co8 cuboctahedra that share corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with four equivalent Co(8)Ce2Co10 cuboctahedra, corners with four equivalent Co(4)Ce3Co9 cuboctahedra, corners with four equivalent Co(7)Ce3VCo8 cuboctahedra, edges with two equivalent Co(7)Ce3VCo8 cuboctahedra, edges with four equivalent Co(4)Ce3Co9 cuboctahedra, faces with two equivalent Co(9)Ce2Co10 cuboctahedra, faces with four equivalent Co(10)Ce2V2Co8 cuboctahedra, and faces with four equivalent Co(6)Ce3VCo8 cuboctahedra. In the fifth Co site, Co(12) is bonded in a 2-coordinate geometry to one Ce(1), one V(1), one Co(5), one Co(9), two equivalent Co(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(8) atoms. In the sixth Co site, Co(1) is bonded in a 12-coordinate geometry to one Ce(1), one Ce(2), one V(1), one Co(1), one Co(10), one Co(12), one Co(3), one Co(4), one Co(5), one Co(6), one Co(7), and one Co(8) atom. In the seventh Co site, Co(2) is bonded in a 12-coordinate geometry to one Ce(1), one Ce(2), one V(1), one Co(11), one Co(12), one Co(2), one Co(3), one Co(9), two equivalent Co(4), and two equivalent Co(6) atoms. In the eighth Co site, Co(3) is bonded in a 12-coordinate geometry to one Ce(1), one Ce(2), one V(1), one Co(1), one Co(10), one Co(12), one Co(2), one Co(4), one Co(5), one Co(6), one Co(7), and one Co(8) atom. In the ninth Co site, Co(4) is bonded to one Ce(1), two equivalent Ce(2), one Co(1), one Co(12), one Co(3), one Co(4), one Co(5), one Co(8), one Co(9), and two equivalent Co(2) atoms to form distorted CoCe3Co9 cuboctahedra that share  a cornercorner with one Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(4)Ce3Co9 cuboctahedra, corners with three equivalent Co(7)Ce3VCo8 cuboctahedra, corners with five equivalent Co(6)Ce3VCo8 cuboctahedra,  an edgeedge with one Co(8)Ce2Co10 cuboctahedra,  an edgeedge with one Co(10)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(11)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(7)Ce3VCo8 cuboctahedra,  a faceface with one Co(8)Ce2Co10 cuboctahedra,  a faceface with one Co(9)Ce2Co10 cuboctahedra, faces with two equivalent Co(6)Ce3VCo8 cuboctahedra, faces with three equivalent Co(4)Ce3Co9 cuboctahedra, and faces with three equivalent Co(5)Ce3Co9 cuboctahedra. In the tenth Co site, Co(5) is bonded to one Ce(1), two equivalent Ce(2), one Co(12), two equivalent Co(1), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(8) atoms to form distorted CoCe3Co9 cuboctahedra that share  a cornercorner with one Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with six equivalent Co(6)Ce3VCo8 cuboctahedra,  an edgeedge with one Co(9)Ce2Co10 cuboctahedra,  an edgeedge with one Co(5)Ce3Co9 cuboctahedra, edges with two equivalent Co(10)Ce2V2Co8 cuboctahedra, edges with four equivalent Co(6)Ce3VCo8 cuboctahedra, faces with two equivalent Co(8)Ce2Co10 cuboctahedra, faces with two equivalent Co(7)Ce3VCo8 cuboctahedra, and faces with six equivalent Co(4)Ce3Co9 cuboctahedra. In the eleventh Co site, Co(6) is bonded to one Ce(1), two equivalent Ce(2), one V(1), one Co(1), one Co(10), one Co(11), one Co(3), one Co(6), one Co(7), and two equivalent Co(2) atoms to form distorted CoCe3VCo8 cuboctahedra that share  a cornercorner with one Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(6)Ce3VCo8 cuboctahedra, corners with three equivalent Co(5)Ce3Co9 cuboctahedra, corners with five equivalent Co(4)Ce3Co9 cuboctahedra,  an edgeedge with one Co(8)Ce2Co10 cuboctahedra,  an edgeedge with one Co(9)Ce2Co10 cuboctahedra,  an edgeedge with one Co(10)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(5)Ce3Co9 cuboctahedra,  a faceface with one Co(10)Ce2V2Co8 cuboctahedra,  a faceface with one Co(11)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(4)Ce3Co9 cuboctahedra, faces with three equivalent Co(6)Ce3VCo8 cuboctahedra, and faces with three equivalent Co(7)Ce3VCo8 cuboctahedra. In the twelfth Co site, Co(7) is bonded to one Ce(1), two equivalent Ce(2), one V(1), two equivalent Co(1), two equivalent Co(10), two equivalent Co(3), and two equivalent Co(6) atoms to form distorted CoCe3VCo8 cuboctahedra that share  a cornercorner with one Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with six equivalent Co(4)Ce3Co9 cuboctahedra,  an edgeedge with one Co(11)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(7)Ce3VCo8 cuboctahedra, edges with two equivalent Co(8)Ce2Co10 cuboctahedra, edges with four equivalent Co(4)Ce3Co9 cuboctahedra, faces with two equivalent Co(10)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(5)Ce3Co9 cuboctahedra, and faces with six equivalent Co(6)Ce3VCo8 cuboctahedra.
Ce2VCo16 crystallizes in the monoclinic C2/m space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 20-coordinate geometry to one V(1), one Co(11), one Co(12), one Co(5), one Co(7), one Co(9), two equivalent Co(1), two equivalent Co(10), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), two equivalent Co(6), and two equivalent Co(8) atoms. The Ce(1)-V(1) bond length is 3.05 Å. The Ce(1)-Co(11) bond length is 3.21 Å. The Ce(1)-Co(12) bond length is 2.85 Å. The Ce(1)-Co(5) bond length is 2.98 Å. The Ce(1)-Co(7) bond length is 3.04 Å. The Ce(1)-Co(9) bond length is 3.10 Å. Both Ce(1)-Co(1) bond lengths are 2.99 Å. Both Ce(1)-Co(10) bond lengths are 3.20 Å. Both Ce(1)-Co(2) bond lengths are 3.00 Å. Both Ce(1)-Co(3) bond lengths are 2.99 Å. Both Ce(1)-Co(4) bond lengths are 3.00 Å. Both Ce(1)-Co(6) bond lengths are 3.05 Å. Both Ce(1)-Co(8) bond lengths are 3.09 Å. In the second Ce site, Ce(2) is bonded in a 18-coordinate geometry to two equivalent Co(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(5), two equivalent Co(7), four equivalent Co(4), and four equivalent Co(6) atoms. Both Ce(2)-Co(1) bond lengths are 2.93 Å. Both Ce(2)-Co(2) bond lengths are 2.93 Å. Both Ce(2)-Co(3) bond lengths are 2.93 Å. There is one shorter (3.07 Å) and one longer (3.28 Å) Ce(2)-Co(5) bond length. There is one shorter (3.03 Å) and one longer (3.30 Å) Ce(2)-Co(7) bond length. There are two shorter (3.07 Å) and two longer (3.27 Å) Ce(2)-Co(4) bond lengths. There are two shorter (3.03 Å) and two longer (3.30 Å) Ce(2)-Co(6) bond lengths. V(1) is bonded in a 14-coordinate geometry to one Ce(1), one Co(11), one Co(12), one Co(7), two equivalent Co(1), two equivalent Co(10), two equivalent Co(2), two equivalent Co(3), and two equivalent Co(6) atoms. The V(1)-Co(11) bond length is 2.58 Å. The V(1)-Co(12) bond length is 2.25 Å. The V(1)-Co(7) bond length is 2.62 Å. Both V(1)-Co(1) bond lengths are 2.67 Å. Both V(1)-Co(10) bond lengths are 2.57 Å. Both V(1)-Co(2) bond lengths are 2.67 Å. Both V(1)-Co(3) bond lengths are 2.67 Å. Both V(1)-Co(6) bond lengths are 2.62 Å. There are twelve inequivalent Co sites. In the first Co site, Co(8) is bonded to two equivalent Ce(1), two equivalent Co(1), two equivalent Co(12), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(5) atoms to form CoCe2Co10 cuboctahedra that share corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with four equivalent Co(4)Ce3Co9 cuboctahedra, corners with four equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(7)Ce3VCo8 cuboctahedra, faces with two equivalent Co(8)Ce2Co10 cuboctahedra, faces with two equivalent Co(9)Ce2Co10 cuboctahedra, faces with two equivalent Co(10)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(4)Ce3Co9 cuboctahedra, and faces with two equivalent Co(5)Ce3Co9 cuboctahedra. Both Co(8)-Co(1) bond lengths are 2.41 Å. Both Co(8)-Co(12) bond lengths are 2.56 Å. Both Co(8)-Co(3) bond lengths are 2.41 Å. Both Co(8)-Co(4) bond lengths are 2.40 Å. Both Co(8)-Co(5) bond lengths are 2.40 Å. In the second Co site, Co(9) is bonded to two equivalent Ce(1), two equivalent Co(12), four equivalent Co(2), and four equivalent Co(4) atoms to form CoCe2Co10 cuboctahedra that share corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with four equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with four equivalent Co(5)Ce3Co9 cuboctahedra, corners with four equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(5)Ce3Co9 cuboctahedra, edges with four equivalent Co(6)Ce3VCo8 cuboctahedra, faces with two equivalent Co(11)Ce2V2Co8 cuboctahedra, faces with four equivalent Co(8)Ce2Co10 cuboctahedra, and faces with four equivalent Co(4)Ce3Co9 cuboctahedra. Both Co(9)-Co(12) bond lengths are 2.57 Å. All Co(9)-Co(2) bond lengths are 2.41 Å. All Co(9)-Co(4) bond lengths are 2.40 Å. In the third Co site, Co(10) is bonded to two equivalent Ce(1), two equivalent V(1), two equivalent Co(1), two equivalent Co(3), two equivalent Co(6), and two equivalent Co(7) atoms to form distorted CoCe2V2Co8 cuboctahedra that share corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with four equivalent Co(4)Ce3Co9 cuboctahedra, corners with four equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(5)Ce3Co9 cuboctahedra, edges with two equivalent Co(6)Ce3VCo8 cuboctahedra, faces with two equivalent Co(8)Ce2Co10 cuboctahedra, faces with two equivalent Co(10)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(11)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(6)Ce3VCo8 cuboctahedra, and faces with two equivalent Co(7)Ce3VCo8 cuboctahedra. Both Co(10)-Co(1) bond lengths are 2.41 Å. Both Co(10)-Co(3) bond lengths are 2.41 Å. Both Co(10)-Co(6) bond lengths are 2.39 Å. Both Co(10)-Co(7) bond lengths are 2.39 Å. In the fourth Co site, Co(11) is bonded to two equivalent Ce(1), two equivalent V(1), four equivalent Co(2), and four equivalent Co(6) atoms to form distorted CoCe2V2Co8 cuboctahedra that share corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with four equivalent Co(8)Ce2Co10 cuboctahedra, corners with four equivalent Co(4)Ce3Co9 cuboctahedra, corners with four equivalent Co(7)Ce3VCo8 cuboctahedra, edges with two equivalent Co(7)Ce3VCo8 cuboctahedra, edges with four equivalent Co(4)Ce3Co9 cuboctahedra, faces with two equivalent Co(9)Ce2Co10 cuboctahedra, faces with four equivalent Co(10)Ce2V2Co8 cuboctahedra, and faces with four equivalent Co(6)Ce3VCo8 cuboctahedra. All Co(11)-Co(2) bond lengths are 2.41 Å. All Co(11)-Co(6) bond lengths are 2.39 Å. In the fifth Co site, Co(12) is bonded in a 2-coordinate geometry to one Ce(1), one V(1), one Co(5), one Co(9), two equivalent Co(1), two equivalent Co(2), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(8) atoms. The Co(12)-Co(5) bond length is 2.62 Å. Both Co(12)-Co(1) bond lengths are 2.68 Å. Both Co(12)-Co(2) bond lengths are 2.68 Å. Both Co(12)-Co(3) bond lengths are 2.68 Å. Both Co(12)-Co(4) bond lengths are 2.62 Å. In the sixth Co site, Co(1) is bonded in a 12-coordinate geometry to one Ce(1), one Ce(2), one V(1), one Co(1), one Co(10), one Co(12), one Co(3), one Co(4), one Co(5), one Co(6), one Co(7), and one Co(8) atom. The Co(1)-Co(1) bond length is 2.36 Å. The Co(1)-Co(3) bond length is 2.49 Å. The Co(1)-Co(4) bond length is 2.56 Å. The Co(1)-Co(5) bond length is 2.51 Å. The Co(1)-Co(6) bond length is 2.52 Å. The Co(1)-Co(7) bond length is 2.55 Å. In the seventh Co site, Co(2) is bonded in a 12-coordinate geometry to one Ce(1), one Ce(2), one V(1), one Co(11), one Co(12), one Co(2), one Co(3), one Co(9), two equivalent Co(4), and two equivalent Co(6) atoms. The Co(2)-Co(2) bond length is 2.49 Å. The Co(2)-Co(3) bond length is 2.36 Å. There is one shorter (2.51 Å) and one longer (2.56 Å) Co(2)-Co(4) bond length. There is one shorter (2.52 Å) and one longer (2.55 Å) Co(2)-Co(6) bond length. In the eighth Co site, Co(3) is bonded in a 12-coordinate geometry to one Ce(1), one Ce(2), one V(1), one Co(1), one Co(10), one Co(12), one Co(2), one Co(4), one Co(5), one Co(6), one Co(7), and one Co(8) atom. The Co(3)-Co(4) bond length is 2.51 Å. The Co(3)-Co(5) bond length is 2.56 Å. The Co(3)-Co(6) bond length is 2.55 Å. The Co(3)-Co(7) bond length is 2.52 Å. In the ninth Co site, Co(4) is bonded to one Ce(1), two equivalent Ce(2), one Co(1), one Co(12), one Co(3), one Co(4), one Co(5), one Co(8), one Co(9), and two equivalent Co(2) atoms to form distorted CoCe3Co9 cuboctahedra that share  a cornercorner with one Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(4)Ce3Co9 cuboctahedra, corners with three equivalent Co(7)Ce3VCo8 cuboctahedra, corners with five equivalent Co(6)Ce3VCo8 cuboctahedra,  an edgeedge with one Co(8)Ce2Co10 cuboctahedra,  an edgeedge with one Co(10)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(11)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(7)Ce3VCo8 cuboctahedra,  a faceface with one Co(8)Ce2Co10 cuboctahedra,  a faceface with one Co(9)Ce2Co10 cuboctahedra, faces with two equivalent Co(6)Ce3VCo8 cuboctahedra, faces with three equivalent Co(4)Ce3Co9 cuboctahedra, and faces with three equivalent Co(5)Ce3Co9 cuboctahedra. The Co(4)-Co(4) bond length is 2.43 Å. The Co(4)-Co(5) bond length is 2.43 Å. In the tenth Co site, Co(5) is bonded to one Ce(1), two equivalent Ce(2), one Co(12), two equivalent Co(1), two equivalent Co(3), two equivalent Co(4), and two equivalent Co(8) atoms to form distorted CoCe3Co9 cuboctahedra that share  a cornercorner with one Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with six equivalent Co(6)Ce3VCo8 cuboctahedra,  an edgeedge with one Co(9)Ce2Co10 cuboctahedra,  an edgeedge with one Co(5)Ce3Co9 cuboctahedra, edges with two equivalent Co(10)Ce2V2Co8 cuboctahedra, edges with four equivalent Co(6)Ce3VCo8 cuboctahedra, faces with two equivalent Co(8)Ce2Co10 cuboctahedra, faces with two equivalent Co(7)Ce3VCo8 cuboctahedra, and faces with six equivalent Co(4)Ce3Co9 cuboctahedra. In the eleventh Co site, Co(6) is bonded to one Ce(1), two equivalent Ce(2), one V(1), one Co(1), one Co(10), one Co(11), one Co(3), one Co(6), one Co(7), and two equivalent Co(2) atoms to form distorted CoCe3VCo8 cuboctahedra that share  a cornercorner with one Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(10)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(6)Ce3VCo8 cuboctahedra, corners with three equivalent Co(5)Ce3Co9 cuboctahedra, corners with five equivalent Co(4)Ce3Co9 cuboctahedra,  an edgeedge with one Co(8)Ce2Co10 cuboctahedra,  an edgeedge with one Co(9)Ce2Co10 cuboctahedra,  an edgeedge with one Co(10)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(6)Ce3VCo8 cuboctahedra, edges with two equivalent Co(4)Ce3Co9 cuboctahedra, edges with two equivalent Co(5)Ce3Co9 cuboctahedra,  a faceface with one Co(10)Ce2V2Co8 cuboctahedra,  a faceface with one Co(11)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(4)Ce3Co9 cuboctahedra, faces with three equivalent Co(6)Ce3VCo8 cuboctahedra, and faces with three equivalent Co(7)Ce3VCo8 cuboctahedra. The Co(6)-Co(6) bond length is 2.48 Å. The Co(6)-Co(7) bond length is 2.47 Å. In the twelfth Co site, Co(7) is bonded to one Ce(1), two equivalent Ce(2), one V(1), two equivalent Co(1), two equivalent Co(10), two equivalent Co(3), and two equivalent Co(6) atoms to form distorted CoCe3VCo8 cuboctahedra that share  a cornercorner with one Co(9)Ce2Co10 cuboctahedra, corners with two equivalent Co(8)Ce2Co10 cuboctahedra, corners with two equivalent Co(11)Ce2V2Co8 cuboctahedra, corners with two equivalent Co(5)Ce3Co9 cuboctahedra, corners with two equivalent Co(7)Ce3VCo8 cuboctahedra, corners with six equivalent Co(4)Ce3Co9 cuboctahedra,  an edgeedge with one Co(11)Ce2V2Co8 cuboctahedra,  an edgeedge with one Co(7)Ce3VCo8 cuboctahedra, edges with two equivalent Co(8)Ce2Co10 cuboctahedra, edges with four equivalent Co(4)Ce3Co9 cuboctahedra, faces with two equivalent Co(10)Ce2V2Co8 cuboctahedra, faces with two equivalent Co(5)Ce3Co9 cuboctahedra, and faces with six equivalent Co(6)Ce3VCo8 cuboctahedra.