CoC14N4H12(O3Cl2)2 crystallizes in the monoclinic C2/c space group. Co(1) is bonded in an octahedral geometry to two equivalent N(1), two equivalent O(1), and two equivalent O(3) atoms. Both Co(1)-N(1) bond lengths are 1.92 Å. Both Co(1)-O(1) bond lengths are 2.22 Å. Both Co(1)-O(3) bond lengths are 1.97 Å. There are seven inequivalent C sites. In the first 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 1.52 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.27 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(4) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(4) bond length is 1.40 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one Cl(1) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-Cl(1) bond length is 1.72 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(2), one C(3), and one Cl(2) atom. The C(4)-Cl(2) bond length is 1.72 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(6), one N(1), and one H(3) atom. The C(5)-C(6) bond length is 1.38 Å. The C(5)-N(1) bond length is 1.38 Å. The C(5)-H(3) bond length is 1.08 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(5), one N(2), and one H(4) atom. The C(6)-N(2) bond length is 1.38 Å. The C(6)-H(4) bond length is 1.08 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(6) atom. The C(7)-N(1) bond length is 1.34 Å. The C(7)-N(2) bond length is 1.35 Å. The C(7)-H(6) bond length is 1.08 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(1), one C(5), and one C(7) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(6), one C(7), and one H(5) atom. The N(2)-H(5) bond length is 1.04 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) and one O(3) atom. The H(1)-O(1) bond length is 1.71 Å. The H(1)-O(3) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. The H(2)-O(3) bond length is 0.99 Å. 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. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(2) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(7) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Co(1), one C(1), and one H(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(1), one H(1), and one H(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(2) is bonded in a single-bond geometry to one C(4) atom. In the second Cl site, Cl(1) is bonded in a single-bond geometry to one C(3) atom. Linkers: 2 [O]C(=O)c1c(Cl)c(Cl)c(C([O])=O)c(Cl)c1Cl. Metal clusters: 2 [Co]. The MOF has largest included sphere 2.29 A, density 1.78 g/cm3, surface area 3931.39 m2/g, accessible volume 0.15 cm3/g