Cu10In7 crystallizes in the monoclinic C2/m space group. There are seven inequivalent Cu sites. In the first Cu site, Cu(5) is bonded in a 11-coordinate geometry to one Cu(5), two equivalent Cu(3), four equivalent Cu(1), one In(4), one In(5), and two equivalent In(3) atoms. In the second Cu site, Cu(6) is bonded to two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), two equivalent In(1), two equivalent In(3), and two equivalent In(4) atoms to form corner-sharing CuIn6Cu6 cuboctahedra. In the third Cu site, Cu(7) is bonded in a 10-coordinate geometry to two equivalent Cu(2), two equivalent Cu(4), one In(4), one In(5), two equivalent In(1), and two equivalent In(2) atoms. In the fourth Cu site, Cu(1) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(3), one Cu(4), one Cu(6), two equivalent Cu(5), one In(1), one In(4), one In(5), and two equivalent In(3) atoms. In the fifth Cu site, Cu(2) is bonded in a 11-coordinate geometry to one Cu(4), one Cu(6), one Cu(7), two equivalent Cu(2), one In(1), one In(4), two equivalent In(2), and two equivalent In(3) atoms. In the sixth Cu site, Cu(3) is bonded in a 11-coordinate geometry to one Cu(3), two equivalent Cu(1), two equivalent Cu(5), two equivalent In(1), two equivalent In(3), and two equivalent In(5) atoms. In the seventh Cu site, Cu(4) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(2), one Cu(4), one Cu(6), one Cu(7), one In(2), one In(3), one In(4), one In(5), and two equivalent In(1) atoms. There are five inequivalent In sites. In the first In site, In(1) is bonded in a 7-coordinate geometry to one Cu(1), one Cu(2), one Cu(3), one Cu(6), one Cu(7), two equivalent Cu(4), and one In(3) atom. In the second In site, In(2) is bonded in a 8-coordinate geometry to two equivalent Cu(4), two equivalent Cu(7), and four equivalent Cu(2) atoms. In the third In site, In(3) is bonded in a 9-coordinate geometry to one Cu(3), one Cu(4), one Cu(5), one Cu(6), two equivalent Cu(1), two equivalent Cu(2), and one In(1) atom. In the fourth In site, In(4) is bonded in a 11-coordinate geometry to one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), two equivalent Cu(6), and one In(5) atom. In the fifth In site, In(5) is bonded in a 8-coordinate geometry to one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(4), and one In(4) atom.
Cu10In7 crystallizes in the monoclinic C2/m space group. There are seven inequivalent Cu sites. In the first Cu site, Cu(5) is bonded in a 11-coordinate geometry to one Cu(5), two equivalent Cu(3), four equivalent Cu(1), one In(4), one In(5), and two equivalent In(3) atoms. The Cu(5)-Cu(5) bond length is 2.59 Å. Both Cu(5)-Cu(3) bond lengths are 2.69 Å. There are two shorter (2.52 Å) and two longer (2.64 Å) Cu(5)-Cu(1) bond lengths. The Cu(5)-In(4) bond length is 2.69 Å. The Cu(5)-In(5) bond length is 2.73 Å. Both Cu(5)-In(3) bond lengths are 2.70 Å. In the second Cu site, Cu(6) is bonded to two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), two equivalent In(1), two equivalent In(3), and two equivalent In(4) atoms to form corner-sharing CuIn6Cu6 cuboctahedra. Both Cu(6)-Cu(1) bond lengths are 2.76 Å. Both Cu(6)-Cu(2) bond lengths are 2.72 Å. Both Cu(6)-Cu(4) bond lengths are 2.54 Å. Both Cu(6)-In(1) bond lengths are 2.89 Å. Both Cu(6)-In(3) bond lengths are 2.86 Å. Both Cu(6)-In(4) bond lengths are 3.00 Å. In the third Cu site, Cu(7) is bonded in a 10-coordinate geometry to two equivalent Cu(2), two equivalent Cu(4), one In(4), one In(5), two equivalent In(1), and two equivalent In(2) atoms. Both Cu(7)-Cu(2) bond lengths are 2.71 Å. Both Cu(7)-Cu(4) bond lengths are 2.72 Å. The Cu(7)-In(4) bond length is 2.67 Å. The Cu(7)-In(5) bond length is 2.66 Å. Both Cu(7)-In(1) bond lengths are 2.66 Å. There is one shorter (2.66 Å) and one longer (2.67 Å) Cu(7)-In(2) bond length. In the fourth Cu site, Cu(1) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(3), one Cu(4), one Cu(6), two equivalent Cu(5), one In(1), one In(4), one In(5), and two equivalent In(3) atoms. The Cu(1)-Cu(1) bond length is 2.63 Å. The Cu(1)-Cu(3) bond length is 2.74 Å. The Cu(1)-Cu(4) bond length is 2.74 Å. The Cu(1)-In(1) bond length is 2.60 Å. The Cu(1)-In(4) bond length is 2.65 Å. The Cu(1)-In(5) bond length is 2.81 Å. There is one shorter (2.76 Å) and one longer (2.79 Å) Cu(1)-In(3) bond length. In the fifth Cu site, Cu(2) is bonded in a 11-coordinate geometry to one Cu(4), one Cu(6), one Cu(7), two equivalent Cu(2), one In(1), one In(4), two equivalent In(2), and two equivalent In(3) atoms. The Cu(2)-Cu(4) bond length is 2.70 Å. There is one shorter (2.67 Å) and one longer (2.74 Å) Cu(2)-Cu(2) bond length. The Cu(2)-In(1) bond length is 2.70 Å. The Cu(2)-In(4) bond length is 2.68 Å. There is one shorter (2.67 Å) and one longer (2.79 Å) Cu(2)-In(2) bond length. There is one shorter (2.60 Å) and one longer (3.09 Å) Cu(2)-In(3) bond length. In the sixth Cu site, Cu(3) is bonded in a 11-coordinate geometry to one Cu(3), two equivalent Cu(1), two equivalent Cu(5), two equivalent In(1), two equivalent In(3), and two equivalent In(5) atoms. The Cu(3)-Cu(3) bond length is 2.65 Å. Both Cu(3)-In(1) bond lengths are 2.99 Å. Both Cu(3)-In(3) bond lengths are 2.63 Å. Both Cu(3)-In(5) bond lengths are 2.65 Å. In the seventh Cu site, Cu(4) is bonded in a 11-coordinate geometry to one Cu(1), one Cu(2), one Cu(4), one Cu(6), one Cu(7), one In(2), one In(3), one In(4), one In(5), and two equivalent In(1) atoms. The Cu(4)-Cu(4) bond length is 2.68 Å. The Cu(4)-In(2) bond length is 2.70 Å. The Cu(4)-In(3) bond length is 2.73 Å. The Cu(4)-In(4) bond length is 2.78 Å. The Cu(4)-In(5) bond length is 2.68 Å. There is one shorter (2.72 Å) and one longer (2.81 Å) Cu(4)-In(1) bond length. There are five inequivalent In sites. In the first In site, In(1) is bonded in a 7-coordinate geometry to one Cu(1), one Cu(2), one Cu(3), one Cu(6), one Cu(7), two equivalent Cu(4), and one In(3) atom. The In(1)-In(3) bond length is 3.08 Å. In the second In site, In(2) is bonded in a 8-coordinate geometry to two equivalent Cu(4), two equivalent Cu(7), and four equivalent Cu(2) atoms. In the third In site, In(3) is bonded in a 9-coordinate geometry to one Cu(3), one Cu(4), one Cu(5), one Cu(6), two equivalent Cu(1), two equivalent Cu(2), and one In(1) atom. In the fourth In site, In(4) is bonded in a 11-coordinate geometry to one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(2), two equivalent Cu(4), two equivalent Cu(6), and one In(5) atom. The In(4)-In(5) bond length is 3.08 Å. In the fifth In site, In(5) is bonded in a 8-coordinate geometry to one Cu(5), one Cu(7), two equivalent Cu(1), two equivalent Cu(3), two equivalent Cu(4), and one In(4) atom.