CeNi2Zn is Frank-Kasper $\mu$ Phase-derived structured and crystallizes in the hexagonal P6_3/mmc space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 12-coordinate geometry to one Ce(2), nine equivalent Ni(1), and three equivalent Zn(3) atoms. In the second Ce site, Ce(2) is bonded in a 20-coordinate geometry to two equivalent Ce(1), twelve equivalent Ni(1), three equivalent Zn(1), and three equivalent Zn(2) atoms. Ni(1) is bonded to two equivalent Ce(2), three equivalent Ce(1), four equivalent Ni(1), one Zn(1), one Zn(2), and one Zn(3) atom to form distorted NiCe5Zn3Ni4 cuboctahedra that share corners with two equivalent Zn(3)Ce6Ni6 cuboctahedra, corners with fifteen equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra, faces with three equivalent Zn(3)Ce6Ni6 cuboctahedra, and faces with eleven equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 9-coordinate geometry to three equivalent Ce(2) and six equivalent Ni(1) atoms. In the second Zn site, Zn(2) is bonded in a 9-coordinate geometry to three equivalent Ce(2) and six equivalent Ni(1) atoms. In the third Zn site, Zn(3) is bonded to six equivalent Ce(1) and six equivalent Ni(1) atoms to form ZnCe6Ni6 cuboctahedra that share corners with twelve equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra, edges with six equivalent Zn(3)Ce6Ni6 cuboctahedra, and faces with eighteen equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra.
CeNi2Zn is Frank-Kasper $\mu$ Phase-derived structured and crystallizes in the hexagonal P6_3/mmc space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 12-coordinate geometry to one Ce(2), nine equivalent Ni(1), and three equivalent Zn(3) atoms. The Ce(1)-Ce(2) bond length is 3.34 Å. There are six shorter (2.94 Å) and three longer (3.17 Å) Ce(1)-Ni(1) bond lengths. All Ce(1)-Zn(3) bond lengths are 3.13 Å. In the second Ce site, Ce(2) is bonded in a 20-coordinate geometry to two equivalent Ce(1), twelve equivalent Ni(1), three equivalent Zn(1), and three equivalent Zn(2) atoms. All Ce(2)-Ni(1) bond lengths are 3.33 Å. All Ce(2)-Zn(1) bond lengths are 3.04 Å. All Ce(2)-Zn(2) bond lengths are 3.04 Å. Ni(1) is bonded to two equivalent Ce(2), three equivalent Ce(1), four equivalent Ni(1), one Zn(1), one Zn(2), and one Zn(3) atom to form distorted NiCe5Zn3Ni4 cuboctahedra that share corners with two equivalent Zn(3)Ce6Ni6 cuboctahedra, corners with fifteen equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra, edges with eight equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra, faces with three equivalent Zn(3)Ce6Ni6 cuboctahedra, and faces with eleven equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra. There are two shorter (2.61 Å) and two longer (2.66 Å) Ni(1)-Ni(1) bond lengths. The Ni(1)-Zn(1) bond length is 2.53 Å. The Ni(1)-Zn(2) bond length is 2.55 Å. The Ni(1)-Zn(3) bond length is 2.56 Å. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 9-coordinate geometry to three equivalent Ce(2) and six equivalent Ni(1) atoms. In the second Zn site, Zn(2) is bonded in a 9-coordinate geometry to three equivalent Ce(2) and six equivalent Ni(1) atoms. In the third Zn site, Zn(3) is bonded to six equivalent Ce(1) and six equivalent Ni(1) atoms to form ZnCe6Ni6 cuboctahedra that share corners with twelve equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra, edges with six equivalent Zn(3)Ce6Ni6 cuboctahedra, and faces with eighteen equivalent Ni(1)Ce5Zn3Ni4 cuboctahedra.