Cu2C6NH4O2Cl crystallizes in the orthorhombic P2_12_12_1 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted linear geometry to one O(1), one O(2), and one Cl(1) atom. The Cu(1)-O(1) bond length is 1.89 Å. The Cu(1)-O(2) bond length is 1.89 Å. The Cu(1)-Cl(1) bond length is 2.68 Å. In the second Cu site, Cu(2) is bonded to one N(1) and three equivalent Cl(1) atoms to form a mixture of distorted edge and corner-sharing CuNCl3 tetrahedra. The Cu(2)-N(1) bond length is 1.95 Å. There are a spread of Cu(2)-Cl(1) bond distances ranging from 2.26-2.57 Å. There are six inequivalent C sites. In the first C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(2) bond length is 1.40 Å. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(1) bond length is 1.09 Å. In the second C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(2) atom. The C(4)-N(1) bond length is 1.36 Å. The C(4)-H(2) bond length is 1.09 Å. In the third C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one H(3) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(3) bond length is 1.09 Å. In the fourth C site, C(6) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(4) atom. The C(6)-C(2) bond length is 1.40 Å. The C(6)-H(4) bond length is 1.09 Å. In the fifth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.28 Å. In the sixth C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(6) atom. N(1) is bonded in a trigonal planar geometry to one Cu(2), one C(4), and one C(5) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) 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(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. There are two inequivalent O sites. In the first O site, O(2) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. In the second O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(1) atom. Cl(1) is bonded in a rectangular see-saw-like geometry to one Cu(1) and three equivalent Cu(2) atoms. Linkers: 4 [O]C(=O)c1ccncc1. Metal clusters: 8 [Cu]. The MOF has largest included sphere 1.60 A, density 2.67 g/cm3, surface area 2878.13 m2/g, accessible volume 0.05 cm3/g