Nd4NiCu3 crystallizes in the monoclinic Pm space group. There are four inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 7-coordinate geometry to two equivalent Ni(1), one Cu(1), two equivalent Cu(2), and two equivalent Cu(3) atoms. In the second Nd site, Nd(2) is bonded in a 7-coordinate geometry to one Ni(1), two equivalent Cu(1), two equivalent Cu(2), and two equivalent Cu(3) atoms. In the third Nd site, Nd(3) is bonded in a 7-coordinate geometry to two equivalent Ni(1), one Cu(3), two equivalent Cu(1), and two equivalent Cu(2) atoms. In the fourth Nd site, Nd(4) is bonded in a 7-coordinate geometry to two equivalent Ni(1), one Cu(2), two equivalent Cu(1), and two equivalent Cu(3) atoms. Ni(1) is bonded in a 9-coordinate geometry to one Nd(2), two equivalent Nd(1), two equivalent Nd(3), two equivalent Nd(4), and two equivalent Cu(2) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 9-coordinate geometry to one Nd(1), two equivalent Nd(2), two equivalent Nd(3), two equivalent Nd(4), and two equivalent Cu(3) atoms. In the second Cu site, Cu(2) is bonded in a 9-coordinate geometry to one Nd(4), two equivalent Nd(1), two equivalent Nd(2), two equivalent Nd(3), and two equivalent Ni(1) atoms. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to one Nd(3), two equivalent Nd(1), two equivalent Nd(2), two equivalent Nd(4), and two equivalent Cu(1) atoms.
Nd4NiCu3 crystallizes in the monoclinic Pm space group. There are four inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 7-coordinate geometry to two equivalent Ni(1), one Cu(1), two equivalent Cu(2), and two equivalent Cu(3) atoms. There is one shorter (2.92 Å) and one longer (3.02 Å) Nd(1)-Ni(1) bond length. The Nd(1)-Cu(1) bond length is 2.93 Å. Both Nd(1)-Cu(2) bond lengths are 3.08 Å. Both Nd(1)-Cu(3) bond lengths are 3.09 Å. In the second Nd site, Nd(2) is bonded in a 7-coordinate geometry to one Ni(1), two equivalent Cu(1), two equivalent Cu(2), and two equivalent Cu(3) atoms. The Nd(2)-Ni(1) bond length is 2.86 Å. There is one shorter (2.95 Å) and one longer (3.04 Å) Nd(2)-Cu(1) bond length. Both Nd(2)-Cu(2) bond lengths are 3.04 Å. Both Nd(2)-Cu(3) bond lengths are 3.13 Å. In the third Nd site, Nd(3) is bonded in a 7-coordinate geometry to two equivalent Ni(1), one Cu(3), two equivalent Cu(1), and two equivalent Cu(2) atoms. Both Nd(3)-Ni(1) bond lengths are 3.08 Å. The Nd(3)-Cu(3) bond length is 2.97 Å. Both Nd(3)-Cu(1) bond lengths are 3.09 Å. There is one shorter (2.92 Å) and one longer (3.02 Å) Nd(3)-Cu(2) bond length. In the fourth Nd site, Nd(4) is bonded in a 7-coordinate geometry to two equivalent Ni(1), one Cu(2), two equivalent Cu(1), and two equivalent Cu(3) atoms. Both Nd(4)-Ni(1) bond lengths are 3.03 Å. The Nd(4)-Cu(2) bond length is 2.89 Å. Both Nd(4)-Cu(1) bond lengths are 3.15 Å. There is one shorter (2.97 Å) and one longer (3.04 Å) Nd(4)-Cu(3) bond length. Ni(1) is bonded in a 9-coordinate geometry to one Nd(2), two equivalent Nd(1), two equivalent Nd(3), two equivalent Nd(4), and two equivalent Cu(2) atoms. Both Ni(1)-Cu(2) bond lengths are 2.63 Å. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 9-coordinate geometry to one Nd(1), two equivalent Nd(2), two equivalent Nd(3), two equivalent Nd(4), and two equivalent Cu(3) atoms. Both Cu(1)-Cu(3) bond lengths are 2.62 Å. In the second Cu site, Cu(2) is bonded in a 9-coordinate geometry to one Nd(4), two equivalent Nd(1), two equivalent Nd(2), two equivalent Nd(3), and two equivalent Ni(1) atoms. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to one Nd(3), two equivalent Nd(1), two equivalent Nd(2), two equivalent Nd(4), and two equivalent Cu(1) atoms.