CuC6NH7Cl crystallizes in the orthorhombic P2_12_12_1 space group. Cu(1) is bonded in a 5-coordinate geometry to one C(5), one C(6), one N(1), and two equivalent Cl(1) atoms. The Cu(1)-C(5) bond length is 2.13 Å. The Cu(1)-C(6) bond length is 2.06 Å. The Cu(1)-N(1) bond length is 1.91 Å. There is one shorter (2.34 Å) and one longer (2.41 Å) Cu(1)-Cl(1) bond length. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted linear geometry to one C(2) and one N(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-N(1) bond length is 1.17 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(5) atom. The C(3)-C(4) bond length is 1.49 Å. The C(3)-C(5) bond length is 1.45 Å. In the fourth C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one H(2), one H(3), and one H(4) atom. The C(4)-H(2) bond length is 1.10 Å. The C(4)-H(3) bond length is 1.10 Å. The C(4)-H(4) bond length is 1.10 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one Cu(1), one C(3), and one H(5) atom. The C(5)-H(5) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one H(6), and one H(7) atom. The C(6)-H(6) bond length is 1.09 Å. The C(6)-H(7) bond length is 1.09 Å. N(1) is bonded in a linear geometry to one Cu(1) and one C(1) atom. There are seven 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(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(6) atom. Cl(1) is bonded in a bent 120 degrees geometry to two equivalent Cu(1) atoms. Linkers: 4 C=C/C(C)=C/C#N. Metal clusters: 4 [Cu]. The MOF has largest included sphere 1.67 A, density 1.87 g/cm3, surface area 4220.74 m2/g, accessible volume 0.13 cm3/g