Cu3C12N4H14(O3Cl)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a square co-planar geometry to two equivalent N(1) and two equivalent O(1) atoms. Both Cu(1)-N(1) bond lengths are 1.94 Å. Both Cu(1)-O(1) bond lengths are 2.18 Å. In the second Cu site, Cu(2) is bonded in a 5-coordinate geometry to one N(2), one O(3), and three equivalent Cl(1) atoms. The Cu(2)-N(2) bond length is 2.05 Å. The Cu(2)-O(3) bond length is 2.11 Å. There are a spread of Cu(2)-Cl(1) bond distances ranging from 2.31-2.70 Å. There are six inequivalent C sites. In the first 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 1.39 Å. The C(1)-C(5) bond length is 1.51 Å. The C(1)-N(1) bond length is 1.35 Å. In the second 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 1.35 Å. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one N(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(6) bond length is 1.49 Å. The C(3)-N(2) bond length is 1.36 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(1), and one H(2) atom. The C(4)-N(1) bond length is 1.34 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(5)-O(1) bond length is 1.30 Å. The C(5)-O(2) bond length is 1.24 Å. In the sixth C site, C(6) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one H(3), one H(4), and one H(5) atom. The C(6)-H(3) bond length is 1.10 Å. The C(6)-H(4) bond length is 1.10 Å. The C(6)-H(5) bond length is 1.10 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(1), 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(2), one C(2), and one C(3) 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(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(3) atom. The H(6)-O(3) bond length is 0.98 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(1) and one O(3) atom. The H(7)-O(1) bond length is 1.69 Å. The H(7)-O(3) bond length is 1.01 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Cu(1), one C(5), and one H(7) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(5) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Cu(2), one H(6), and one H(7) atom. Cl(1) is bonded in a distorted T-shaped geometry to three equivalent Cu(2) atoms. Linkers: 1 Cc1cnc(C([O])=O)cn1. Metal clusters: 3 [Cu]. The MOF has largest included sphere 1.86 A, density 2.23 g/cm3, surface area 3303.45 m2/g, accessible volume 0.10 cm3/g