CoC22H18(NO5)2 crystallizes in the triclinic P-1 space group. Co(1) is bonded in an octahedral geometry to two equivalent N(1), two equivalent O(4), and two equivalent O(5) atoms. Both Co(1)-N(1) bond lengths are 2.11 Å. Both Co(1)-O(4) bond lengths are 2.16 Å. Both Co(1)-O(5) bond lengths are 2.08 Å. There are eleven inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(1)-C(3) bond length is 1.52 Å. The C(1)-O(3) bond length is 1.28 Å. The C(1)-O(4) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(2) atom. The C(2)-C(5) bond length is 1.49 Å. The C(2)-O(1) bond length is 1.32 Å. The C(2)-O(2) bond length is 1.24 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(7) atom. The C(3)-C(5) bond length is 1.41 Å. The C(3)-C(7) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(6), one C(8), and one C(9) atom. The C(4)-C(6) bond length is 1.45 Å. The C(4)-C(8) bond length is 1.41 Å. The C(4)-C(9) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(7) atom. The C(5)-C(7) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(5) atom. The C(7)-H(5) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(10), one C(4), and one H(6) atom. The C(8)-C(10) bond length is 1.39 Å. The C(8)-H(6) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(11), one C(4), and one H(7) atom. The C(9)-C(11) bond length is 1.39 Å. The C(9)-H(7) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(8), one N(1), and one H(8) atom. The C(10)-N(1) bond length is 1.35 Å. The C(10)-H(8) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(9), one N(1), and one H(9) atom. The C(11)-N(1) bond length is 1.35 Å. The C(11)-H(9) bond length is 1.09 Å. N(1) is bonded in a trigonal planar geometry to one Co(1), one C(10), and one C(11) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(3) atom. The H(1)-O(1) bond length is 1.03 Å. The H(1)-O(3) bond length is 1.51 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) and one O(5) atom. The H(2)-O(3) bond length is 1.71 Å. The H(2)-O(5) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(5) atom. The H(3)-O(5) bond length is 0.99 Å. 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(7) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one C(2) and one H(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(2) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one C(1), one H(1), and one H(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Co(1), one H(2), and one H(3) atom. Linkers: 1 [O]C(=O)c1cc(C(=O)O)c(C([O])=O)cc1C(=O)O ,1 C(=C/c1ccncc1)\c1ccncc1. Metal clusters: 1 O.O.O=[C]O[Co]O[C]=O. The MOF has largest included sphere 1.89 A, density 1.82 g/cm3, surface area 3429.09 m2/g, accessible volume 0.10 cm3/g