CeLa(CoNi)5 crystallizes in the orthorhombic Pmmm space group. Ce(1) is bonded in a 18-coordinate geometry to two equivalent Co(1), four equivalent Co(2), four equivalent Ni(1), and eight equivalent Ni(2) atoms. La(1) is bonded in a 18-coordinate geometry to two equivalent Co(2), four equivalent Co(1), four equivalent Co(3), and eight equivalent Ni(2) atoms. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent La(1), two equivalent Co(2), two equivalent Co(3), and four equivalent Ni(2) atoms. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one La(1), one Co(2), two equivalent Co(1), two equivalent Ni(1), and four equivalent Ni(2) atoms. In the third Co site, Co(3) is bonded to four equivalent La(1), four equivalent Co(1), and four equivalent Ni(2) atoms to form CoLa4Co4Ni4 cuboctahedra that share corners with four equivalent Co(3)La4Co4Ni4 cuboctahedra, corners with four equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, corners with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, edges with two equivalent Co(3)La4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, faces with two equivalent Co(3)La4Co4Ni4 cuboctahedra, and faces with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent Ce(1), four equivalent Co(2), and four equivalent Ni(2) atoms to form distorted NiCe4Co4Ni4 cuboctahedra that share corners with four equivalent Co(3)La4Co4Ni4 cuboctahedra, corners with four equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, corners with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, edges with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, faces with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, and faces with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra. In the second Ni site, Ni(2) is bonded to two equivalent Ce(1), two equivalent La(1), one Co(3), two equivalent Co(1), two equivalent Co(2), one Ni(1), and two equivalent Ni(2) atoms to form NiLa2Ce2Co5Ni3 cuboctahedra that share corners with two equivalent Co(3)La4Co4Ni4 cuboctahedra, corners with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, corners with twelve equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, edges with two equivalent Co(3)La4Co4Ni4 cuboctahedra, edges with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, edges with six equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, faces with two equivalent Co(3)La4Co4Ni4 cuboctahedra, faces with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, and faces with six equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra.
CeLa(CoNi)5 crystallizes in the orthorhombic Pmmm space group. Ce(1) is bonded in a 18-coordinate geometry to two equivalent Co(1), four equivalent Co(2), four equivalent Ni(1), and eight equivalent Ni(2) atoms. Both Ce(1)-Co(1) bond lengths are 2.80 Å. All Ce(1)-Co(2) bond lengths are 2.79 Å. All Ce(1)-Ni(1) bond lengths are 3.18 Å. All Ce(1)-Ni(2) bond lengths are 3.14 Å. La(1) is bonded in a 18-coordinate geometry to two equivalent Co(2), four equivalent Co(1), four equivalent Co(3), and eight equivalent Ni(2) atoms. Both La(1)-Co(2) bond lengths are 2.93 Å. All La(1)-Co(1) bond lengths are 2.86 Å. All La(1)-Co(3) bond lengths are 3.18 Å. All La(1)-Ni(2) bond lengths are 3.19 Å. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent La(1), two equivalent Co(2), two equivalent Co(3), and four equivalent Ni(2) atoms. Both Co(1)-Co(2) bond lengths are 2.88 Å. Both Co(1)-Co(3) bond lengths are 2.47 Å. All Co(1)-Ni(2) bond lengths are 2.45 Å. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one La(1), one Co(2), two equivalent Co(1), two equivalent Ni(1), and four equivalent Ni(2) atoms. The Co(2)-Co(2) bond length is 2.62 Å. Both Co(2)-Ni(1) bond lengths are 2.39 Å. All Co(2)-Ni(2) bond lengths are 2.49 Å. In the third Co site, Co(3) is bonded to four equivalent La(1), four equivalent Co(1), and four equivalent Ni(2) atoms to form CoLa4Co4Ni4 cuboctahedra that share corners with four equivalent Co(3)La4Co4Ni4 cuboctahedra, corners with four equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, corners with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, edges with two equivalent Co(3)La4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, faces with two equivalent Co(3)La4Co4Ni4 cuboctahedra, and faces with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra. All Co(3)-Ni(2) bond lengths are 2.47 Å. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent Ce(1), four equivalent Co(2), and four equivalent Ni(2) atoms to form distorted NiCe4Co4Ni4 cuboctahedra that share corners with four equivalent Co(3)La4Co4Ni4 cuboctahedra, corners with four equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, corners with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, edges with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, edges with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, faces with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, and faces with eight equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra. All Ni(1)-Ni(2) bond lengths are 2.43 Å. In the second Ni site, Ni(2) is bonded to two equivalent Ce(1), two equivalent La(1), one Co(3), two equivalent Co(1), two equivalent Co(2), one Ni(1), and two equivalent Ni(2) atoms to form NiLa2Ce2Co5Ni3 cuboctahedra that share corners with two equivalent Co(3)La4Co4Ni4 cuboctahedra, corners with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, corners with twelve equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, edges with two equivalent Co(3)La4Co4Ni4 cuboctahedra, edges with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, edges with six equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra, faces with two equivalent Co(3)La4Co4Ni4 cuboctahedra, faces with two equivalent Ni(1)Ce4Co4Ni4 cuboctahedra, and faces with six equivalent Ni(2)La2Ce2Co5Ni3 cuboctahedra. There is one shorter (2.45 Å) and one longer (2.49 Å) Ni(2)-Ni(2) bond length.