NdCu(WO4)2 crystallizes in the triclinic P1 space group. Nd(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form NdO6 octahedra that share corners with four equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-56°. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Nd(1)O6 octahedra and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-55°. In the second W site, W(2) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Nd(1)O6 octahedra and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-56°. Cu(1) is bonded in a linear geometry to one O(6) and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Nd(1), one W(1), and one W(2) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Nd(1) and one W(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one W(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Nd(1), one W(1), and one W(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Nd(1) and one W(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Cu(1) atom.
NdCu(WO4)2 crystallizes in the triclinic P1 space group. Nd(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form NdO6 octahedra that share corners with four equivalent W(1)O6 octahedra and corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-56°. The Nd(1)-O(1) bond length is 2.41 Å. The Nd(1)-O(2) bond length is 2.39 Å. The Nd(1)-O(3) bond length is 2.40 Å. The Nd(1)-O(4) bond length is 2.41 Å. The Nd(1)-O(5) bond length is 2.41 Å. The Nd(1)-O(7) bond length is 2.39 Å. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Nd(1)O6 octahedra and edges with two equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-55°. The W(1)-O(1) bond length is 2.13 Å. The W(1)-O(2) bond length is 1.82 Å. The W(1)-O(4) bond length is 1.99 Å. The W(1)-O(6) bond length is 1.94 Å. The W(1)-O(7) bond length is 1.81 Å. The W(1)-O(8) bond length is 2.20 Å. In the second W site, W(2) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form distorted WO6 octahedra that share corners with four equivalent Nd(1)O6 octahedra and edges with two equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-56°. The W(2)-O(1) bond length is 1.98 Å. The W(2)-O(3) bond length is 1.82 Å. The W(2)-O(4) bond length is 2.13 Å. The W(2)-O(5) bond length is 1.81 Å. The W(2)-O(6) bond length is 2.20 Å. The W(2)-O(8) bond length is 1.94 Å. Cu(1) is bonded in a linear geometry to one O(6) and one O(8) atom. The Cu(1)-O(6) bond length is 1.85 Å. The Cu(1)-O(8) bond length is 1.85 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Nd(1), one W(1), and one W(2) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Nd(1) and one W(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one W(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Nd(1), one W(1), and one W(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one W(2) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Nd(1) and one W(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Cu(1) atom.