CoC12H12(N4O)2 crystallizes in the monoclinic P2_1/c space group. Co(1) is bonded in an octahedral geometry to two equivalent N(1), two equivalent N(2), and two equivalent N(3) atoms. Both Co(1)-N(1) bond lengths are 1.99 Å. Both Co(1)-N(2) bond lengths are 2.22 Å. Both Co(1)-N(3) bond lengths are 1.96 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(1), one C(5), and one H(3) atom. The C(3)-C(1) bond length is 1.39 Å. The C(3)-C(5) bond length is 1.40 Å. The C(3)-H(3) bond length is 1.09 Å. In the second C site, C(4) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(4) atom. The C(4)-C(2) bond length is 1.38 Å. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(4) bond length is 1.08 Å. In the third C site, C(5) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(6) atom. The C(5)-C(6) bond length is 1.51 Å. In the fourth C site, C(6) is bonded in a distorted water-like geometry to one C(5), one H(5), and one O(1) atom. The C(6)-H(5) bond length is 1.10 Å. The C(6)-O(1) bond length is 1.42 Å. In the fifth C site, C(1) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(1) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.09 Å. In the sixth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(2) atom. The C(2)-N(1) bond length is 1.35 Å. The C(2)-H(2) bond length is 1.08 Å. There are four inequivalent N sites. In the first N site, N(3) is bonded in a 3-coordinate geometry to one Co(1), one N(4), and one H(6) atom. The N(3)-N(4) bond length is 1.20 Å. The N(3)-H(6) bond length is 1.82 Å. In the second N site, N(1) is bonded in a trigonal planar geometry to one Co(1), one C(1), and one C(2) atom. In the third N site, N(2) is bonded in a bent 150 degrees geometry to one Co(1) and one N(4) atom. The N(2)-N(4) bond length is 1.17 Å. In the fourth N site, N(4) is bonded in a linear geometry to one N(2) and one N(3) atom. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) 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(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(3) and one O(1) atom. The H(6)-O(1) bond length is 1.00 Å. O(1) is bonded in a bent 120 degrees geometry to one C(6) and one H(6) atom. Linkers: 1 O[C@H](c1ccncc1)[C@@H](O)c1ccncc1 ,1 O[C@H](c1ccncc1)[C@@H](O)c1c[c]ncc1 ,1 O[C@H](c1c[c]ncc1)[C@@H](O)c1ccncc1. Metal clusters: 2 [Co]. The MOF has largest included sphere 1.58 A, density 1.87 g/cm3, surface area 3533.18 m2/g, accessible volume 0.07 cm3/g