YbCu5Sn crystallizes in the orthorhombic Pnma space group. Yb(1) is bonded in a 19-coordinate geometry to three equivalent Cu(1), three equivalent Cu(3), three equivalent Cu(4), six equivalent Cu(2), and four equivalent Sn(1) atoms. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to three equivalent Yb(1), one Cu(3), two equivalent Cu(4), four equivalent Cu(2), and two equivalent Sn(1) atoms to form a mixture of face, corner, and edge-sharing CuYb3Cu7Sn2 cuboctahedra. In the second Cu site, Cu(2) is bonded to three equivalent Yb(1), one Cu(4), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), and two equivalent Sn(1) atoms to form a mixture of face, corner, and edge-sharing CuYb3Cu7Sn2 cuboctahedra. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to three equivalent Yb(1), one Cu(1), one Cu(4), four equivalent Cu(2), and one Sn(1) atom. In the fourth Cu site, Cu(4) is bonded in a 11-coordinate geometry to three equivalent Yb(1), one Cu(3), two equivalent Cu(1), two equivalent Cu(2), and three equivalent Sn(1) atoms. Sn(1) is bonded in a 14-coordinate geometry to four equivalent Yb(1), one Cu(3), two equivalent Cu(1), three equivalent Cu(4), and four equivalent Cu(2) atoms.
YbCu5Sn crystallizes in the orthorhombic Pnma space group. Yb(1) is bonded in a 19-coordinate geometry to three equivalent Cu(1), three equivalent Cu(3), three equivalent Cu(4), six equivalent Cu(2), and four equivalent Sn(1) atoms. There are two shorter (3.19 Å) and one longer (3.30 Å) Yb(1)-Cu(1) bond length. There are two shorter (2.83 Å) and one longer (2.87 Å) Yb(1)-Cu(3) bond length. There are two shorter (2.94 Å) and one longer (3.04 Å) Yb(1)-Cu(4) bond length. There are a spread of Yb(1)-Cu(2) bond distances ranging from 3.16-3.26 Å. There are a spread of Yb(1)-Sn(1) bond distances ranging from 3.24-3.35 Å. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to three equivalent Yb(1), one Cu(3), two equivalent Cu(4), four equivalent Cu(2), and two equivalent Sn(1) atoms to form a mixture of face, corner, and edge-sharing CuYb3Cu7Sn2 cuboctahedra. The Cu(1)-Cu(3) bond length is 2.48 Å. There is one shorter (2.54 Å) and one longer (2.56 Å) Cu(1)-Cu(4) bond length. There are two shorter (2.46 Å) and two longer (2.48 Å) Cu(1)-Cu(2) bond lengths. Both Cu(1)-Sn(1) bond lengths are 2.76 Å. In the second Cu site, Cu(2) is bonded to three equivalent Yb(1), one Cu(4), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(3), and two equivalent Sn(1) atoms to form a mixture of face, corner, and edge-sharing CuYb3Cu7Sn2 cuboctahedra. The Cu(2)-Cu(4) bond length is 2.52 Å. There is one shorter (2.47 Å) and one longer (2.48 Å) Cu(2)-Cu(2) bond length. There is one shorter (2.47 Å) and one longer (2.49 Å) Cu(2)-Cu(3) bond length. There is one shorter (2.72 Å) and one longer (2.75 Å) Cu(2)-Sn(1) bond length. In the third Cu site, Cu(3) is bonded in a 9-coordinate geometry to three equivalent Yb(1), one Cu(1), one Cu(4), four equivalent Cu(2), and one Sn(1) atom. The Cu(3)-Cu(4) bond length is 2.96 Å. The Cu(3)-Sn(1) bond length is 2.76 Å. In the fourth Cu site, Cu(4) is bonded in a 11-coordinate geometry to three equivalent Yb(1), one Cu(3), two equivalent Cu(1), two equivalent Cu(2), and three equivalent Sn(1) atoms. There is one shorter (2.59 Å) and two longer (3.00 Å) Cu(4)-Sn(1) bond lengths. Sn(1) is bonded in a 14-coordinate geometry to four equivalent Yb(1), one Cu(3), two equivalent Cu(1), three equivalent Cu(4), and four equivalent Cu(2) atoms.