CeMn7Ni5 crystallizes in the orthorhombic Imm2 space group. Ce(1) is bonded in a 20-coordinate geometry to two equivalent Mn(2), four equivalent Mn(3), eight equivalent Mn(1), one Ni(1), one Ni(2), two equivalent Ni(3), and two equivalent Ni(4) atoms. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Mn(2), two equivalent Mn(1), two equivalent Mn(3), one Ni(1), one Ni(2), one Ni(4), and two equivalent Ni(3) atoms. In the second Mn site, Mn(2) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Mn(3), four equivalent Mn(1), two equivalent Ni(1), and two equivalent Ni(3) atoms. In the third Mn site, Mn(3) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Mn(2), four equivalent Mn(1), one Ni(1), one Ni(2), one Ni(4), and two equivalent Ni(3) atoms. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 10-coordinate geometry to one Ce(1), two equivalent Mn(2), two equivalent Mn(3), four equivalent Mn(1), and one Ni(2) atom. In the second Ni site, Ni(2) is bonded in a 14-coordinate geometry to one Ce(1), two equivalent Mn(3), four equivalent Mn(1), one Ni(1), two equivalent Ni(4), and four equivalent Ni(3) atoms. In the third Ni site, Ni(3) is bonded in a 9-coordinate geometry to one Ce(1), one Mn(2), two equivalent Mn(3), four equivalent Mn(1), one Ni(3), one Ni(4), and two equivalent Ni(2) atoms. In the fourth Ni site, Ni(4) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Mn(3), four equivalent Mn(1), two equivalent Ni(2), and two equivalent Ni(3) atoms.
CeMn7Ni5 crystallizes in the orthorhombic Imm2 space group. Ce(1) is bonded in a 20-coordinate geometry to two equivalent Mn(2), four equivalent Mn(3), eight equivalent Mn(1), one Ni(1), one Ni(2), two equivalent Ni(3), and two equivalent Ni(4) atoms. Both Ce(1)-Mn(2) bond lengths are 3.11 Å. All Ce(1)-Mn(3) bond lengths are 3.10 Å. There are four shorter (3.18 Å) and four longer (3.21 Å) Ce(1)-Mn(1) bond lengths. The Ce(1)-Ni(1) bond length is 2.99 Å. The Ce(1)-Ni(2) bond length is 2.86 Å. Both Ce(1)-Ni(3) bond lengths are 2.98 Å. Both Ce(1)-Ni(4) bond lengths are 2.95 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Mn(2), two equivalent Mn(1), two equivalent Mn(3), one Ni(1), one Ni(2), one Ni(4), and two equivalent Ni(3) atoms. The Mn(1)-Mn(2) bond length is 2.41 Å. There is one shorter (2.36 Å) and one longer (2.40 Å) Mn(1)-Mn(1) bond length. Both Mn(1)-Mn(3) bond lengths are 2.41 Å. The Mn(1)-Ni(1) bond length is 2.54 Å. The Mn(1)-Ni(2) bond length is 2.57 Å. The Mn(1)-Ni(4) bond length is 2.45 Å. There is one shorter (2.52 Å) and one longer (2.60 Å) Mn(1)-Ni(3) bond length. In the second Mn site, Mn(2) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Mn(3), four equivalent Mn(1), two equivalent Ni(1), and two equivalent Ni(3) atoms. Both Mn(2)-Mn(3) bond lengths are 2.78 Å. Both Mn(2)-Ni(1) bond lengths are 2.58 Å. Both Mn(2)-Ni(3) bond lengths are 2.58 Å. In the third Mn site, Mn(3) is bonded in a 12-coordinate geometry to two equivalent Ce(1), one Mn(2), four equivalent Mn(1), one Ni(1), one Ni(2), one Ni(4), and two equivalent Ni(3) atoms. The Mn(3)-Ni(1) bond length is 2.55 Å. The Mn(3)-Ni(2) bond length is 2.56 Å. The Mn(3)-Ni(4) bond length is 2.67 Å. Both Mn(3)-Ni(3) bond lengths are 2.58 Å. There are four inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a 10-coordinate geometry to one Ce(1), two equivalent Mn(2), two equivalent Mn(3), four equivalent Mn(1), and one Ni(2) atom. The Ni(1)-Ni(2) bond length is 2.51 Å. In the second Ni site, Ni(2) is bonded in a 14-coordinate geometry to one Ce(1), two equivalent Mn(3), four equivalent Mn(1), one Ni(1), two equivalent Ni(4), and four equivalent Ni(3) atoms. Both Ni(2)-Ni(4) bond lengths are 2.63 Å. All Ni(2)-Ni(3) bond lengths are 2.94 Å. In the third Ni site, Ni(3) is bonded in a 9-coordinate geometry to one Ce(1), one Mn(2), two equivalent Mn(3), four equivalent Mn(1), one Ni(3), one Ni(4), and two equivalent Ni(2) atoms. The Ni(3)-Ni(3) bond length is 2.45 Å. The Ni(3)-Ni(4) bond length is 2.64 Å. In the fourth Ni site, Ni(4) is bonded in a 12-coordinate geometry to two equivalent Ce(1), two equivalent Mn(3), four equivalent Mn(1), two equivalent Ni(2), and two equivalent Ni(3) atoms.