DyCu7 crystallizes in the orthorhombic Pmmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 18-coordinate geometry to one Cu(2), one Cu(4), two equivalent Cu(1), two equivalent Cu(3), four equivalent Cu(5), four equivalent Cu(8), and four equivalent Cu(9) atoms. In the second Dy site, Dy(2) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(3), four equivalent Cu(2), four equivalent Cu(6), and eight equivalent Cu(9) atoms. There are ten inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), one Cu(10), one Cu(3), two equivalent Cu(4), two equivalent Cu(5), and four equivalent Cu(8) atoms. In the second Cu site, Cu(2) is bonded in a 12-coordinate geometry to one Dy(1), two equivalent Dy(2), one Cu(2), two equivalent Cu(3), two equivalent Cu(6), and four equivalent Cu(9) atoms. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(1), one Cu(1), two equivalent Cu(2), two equivalent Cu(5), and four equivalent Cu(9) atoms. In the fourth Cu site, Cu(4) is bonded to one Dy(1), one Cu(4), two equivalent Cu(1), two equivalent Cu(10), two equivalent Cu(7), and four equivalent Cu(8) atoms to form distorted CuDyCu11 cuboctahedra that share corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(4)DyCu11 cuboctahedra, edges with two equivalent Cu(4)DyCu11 cuboctahedra, faces with three equivalent Cu(4)DyCu11 cuboctahedra, and faces with four equivalent Cu(5)Dy4Cu8 cuboctahedra. In the fifth Cu site, Cu(5) is bonded to four equivalent Dy(1), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(8), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with four equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with four equivalent Cu(9)Dy4Cu8 cuboctahedra, and faces with four equivalent Cu(4)DyCu11 cuboctahedra. In the sixth Cu site, Cu(6) is bonded to four equivalent Dy(2), four equivalent Cu(2), and four equivalent Cu(9) atoms to form a mixture of edge, corner, and face-sharing CuDy4Cu8 cuboctahedra. In the seventh Cu site, Cu(7) is bonded in a 8-coordinate geometry to four equivalent Cu(4) and four equivalent Cu(8) atoms. In the eighth Cu site, Cu(8) is bonded in a 10-coordinate geometry to two equivalent Dy(1), one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(4), and two equivalent Cu(8) atoms. In the ninth Cu site, Cu(9) is bonded to two equivalent Dy(1), two equivalent Dy(2), one Cu(5), one Cu(6), two equivalent Cu(2), two equivalent Cu(3), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(4)DyCu11 cuboctahedra, corners with seven equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(6)Dy4Cu8 cuboctahedra, edges with five equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(6)Dy4Cu8 cuboctahedra, and faces with five equivalent Cu(9)Dy4Cu8 cuboctahedra. In the tenth Cu site, Cu(10) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(1) and four equivalent Cu(4) atoms.
DyCu7 crystallizes in the orthorhombic Pmmm space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 18-coordinate geometry to one Cu(2), one Cu(4), two equivalent Cu(1), two equivalent Cu(3), four equivalent Cu(5), four equivalent Cu(8), and four equivalent Cu(9) atoms. The Dy(1)-Cu(2) bond length is 2.95 Å. The Dy(1)-Cu(4) bond length is 2.88 Å. Both Dy(1)-Cu(1) bond lengths are 2.91 Å. Both Dy(1)-Cu(3) bond lengths are 2.89 Å. All Dy(1)-Cu(5) bond lengths are 3.21 Å. All Dy(1)-Cu(8) bond lengths are 3.17 Å. All Dy(1)-Cu(9) bond lengths are 3.27 Å. In the second Dy site, Dy(2) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(3), four equivalent Cu(2), four equivalent Cu(6), and eight equivalent Cu(9) atoms. Both Dy(2)-Cu(3) bond lengths are 2.89 Å. All Dy(2)-Cu(2) bond lengths are 2.86 Å. All Dy(2)-Cu(6) bond lengths are 3.21 Å. All Dy(2)-Cu(9) bond lengths are 3.23 Å. There are ten inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), one Cu(10), one Cu(3), two equivalent Cu(4), two equivalent Cu(5), and four equivalent Cu(8) atoms. The Cu(1)-Cu(10) bond length is 2.60 Å. The Cu(1)-Cu(3) bond length is 3.05 Å. Both Cu(1)-Cu(4) bond lengths are 2.81 Å. Both Cu(1)-Cu(5) bond lengths are 2.61 Å. All Cu(1)-Cu(8) bond lengths are 2.46 Å. In the second Cu site, Cu(2) is bonded in a 12-coordinate geometry to one Dy(1), two equivalent Dy(2), one Cu(2), two equivalent Cu(3), two equivalent Cu(6), and four equivalent Cu(9) atoms. The Cu(2)-Cu(2) bond length is 2.88 Å. Both Cu(2)-Cu(3) bond lengths are 2.86 Å. Both Cu(2)-Cu(6) bond lengths are 2.51 Å. All Cu(2)-Cu(9) bond lengths are 2.51 Å. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to one Dy(2), two equivalent Dy(1), one Cu(1), two equivalent Cu(2), two equivalent Cu(5), and four equivalent Cu(9) atoms. Both Cu(3)-Cu(5) bond lengths are 2.51 Å. All Cu(3)-Cu(9) bond lengths are 2.50 Å. In the fourth Cu site, Cu(4) is bonded to one Dy(1), one Cu(4), two equivalent Cu(1), two equivalent Cu(10), two equivalent Cu(7), and four equivalent Cu(8) atoms to form distorted CuDyCu11 cuboctahedra that share corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(4)DyCu11 cuboctahedra, edges with two equivalent Cu(4)DyCu11 cuboctahedra, faces with three equivalent Cu(4)DyCu11 cuboctahedra, and faces with four equivalent Cu(5)Dy4Cu8 cuboctahedra. The Cu(4)-Cu(4) bond length is 2.54 Å. Both Cu(4)-Cu(10) bond lengths are 2.78 Å. Both Cu(4)-Cu(7) bond lengths are 2.42 Å. All Cu(4)-Cu(8) bond lengths are 2.53 Å. In the fifth Cu site, Cu(5) is bonded to four equivalent Dy(1), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(8), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with four equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with four equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with four equivalent Cu(9)Dy4Cu8 cuboctahedra, and faces with four equivalent Cu(4)DyCu11 cuboctahedra. Both Cu(5)-Cu(8) bond lengths are 2.46 Å. Both Cu(5)-Cu(9) bond lengths are 2.49 Å. In the sixth Cu site, Cu(6) is bonded to four equivalent Dy(2), four equivalent Cu(2), and four equivalent Cu(9) atoms to form a mixture of edge, corner, and face-sharing CuDy4Cu8 cuboctahedra. All Cu(6)-Cu(9) bond lengths are 2.50 Å. In the seventh Cu site, Cu(7) is bonded in a 8-coordinate geometry to four equivalent Cu(4) and four equivalent Cu(8) atoms. All Cu(7)-Cu(8) bond lengths are 2.41 Å. In the eighth Cu site, Cu(8) is bonded in a 10-coordinate geometry to two equivalent Dy(1), one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(4), and two equivalent Cu(8) atoms. There is one shorter (2.47 Å) and one longer (2.48 Å) Cu(8)-Cu(8) bond length. In the ninth Cu site, Cu(9) is bonded to two equivalent Dy(1), two equivalent Dy(2), one Cu(5), one Cu(6), two equivalent Cu(2), two equivalent Cu(3), and two equivalent Cu(9) atoms to form CuDy4Cu8 cuboctahedra that share corners with two equivalent Cu(5)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(6)Dy4Cu8 cuboctahedra, corners with two equivalent Cu(4)DyCu11 cuboctahedra, corners with seven equivalent Cu(9)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(5)Dy4Cu8 cuboctahedra, edges with two equivalent Cu(6)Dy4Cu8 cuboctahedra, edges with five equivalent Cu(9)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(5)Dy4Cu8 cuboctahedra, faces with two equivalent Cu(6)Dy4Cu8 cuboctahedra, and faces with five equivalent Cu(9)Dy4Cu8 cuboctahedra. Both Cu(9)-Cu(9) bond lengths are 2.47 Å. In the tenth Cu site, Cu(10) is bonded in a distorted hexagonal planar geometry to two equivalent Cu(1) and four equivalent Cu(4) atoms.