Cu3C10H6(N2Cl)3 crystallizes in the monoclinic P2/c space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to two equivalent N(2) and two equivalent Cl(2) atoms to form corner-sharing CuN2Cl2 tetrahedra. Both Cu(1)-N(2) bond lengths are 1.98 Å. Both Cu(1)-Cl(2) bond lengths are 2.33 Å. In the second Cu site, Cu(2) is bonded to one N(1), one N(3), one Cl(1), and one Cl(2) atom to form corner-sharing CuN2Cl2 tetrahedra. The Cu(2)-N(1) bond length is 2.00 Å. The Cu(2)-N(3) bond length is 1.87 Å. The Cu(2)-Cl(1) bond length is 2.35 Å. The Cu(2)-Cl(2) bond length is 2.36 Å. There are five inequivalent C sites. In the first C site, C(5) is bonded in a distorted linear geometry to one C(1) and one N(3) atom. The C(5)-C(1) bond length is 1.42 Å. The C(5)-N(3) bond length is 1.17 Å. In the second C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(5), and one N(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-N(1) bond length is 1.36 Å. In the third C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(1), one N(2), and one H(1) atom. The C(2)-N(2) bond length is 1.34 Å. The C(2)-H(1) bond length is 1.09 Å. In the fourth C site, C(3) is bonded in a distorted trigonal planar geometry to one C(4), one N(2), and one H(2) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-N(2) bond length is 1.36 Å. The C(3)-H(2) bond length is 1.09 Å. In the fifth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(3) atom. The C(4)-N(1) bond length is 1.35 Å. The C(4)-H(3) bond length is 1.09 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(2), one C(1), and one C(4) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(2), and one C(3) atom. In the third N site, N(3) is bonded in a linear geometry to one Cu(2) and one C(5) atom. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in an L-shaped geometry to two equivalent Cu(2) atoms. In the second Cl site, Cl(2) is bonded in a water-like geometry to one Cu(1) and one Cu(2) atom. Linkers: 4 N#Cc1cnccn1. Metal clusters: 6 [Cu]. The MOF has largest included sphere 1.66 A, density 2.39 g/cm3, surface area 3149.38 m2/g, accessible volume 0.08 cm3/g