CoC14H14(NO)4 crystallizes in the monoclinic P2_1/c space group. Co(1) is bonded in a distorted octahedral geometry to two equivalent N(1), two equivalent N(2), and two equivalent O(2) atoms. Both Co(1)-N(1) bond lengths are 2.01 Å. Both Co(1)-N(2) bond lengths are 2.35 Å. Both Co(1)-O(2) bond lengths are 1.94 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(5) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(5) bond length is 1.40 Å. The C(1)-H(5) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-N(1) bond length is 1.42 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(6), and one H(6) atom. The C(3)-C(6) bond length is 1.40 Å. The C(3)-H(6) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(1), and one O(2) atom. The C(4)-C(6) bond length is 1.50 Å. The C(4)-O(1) bond length is 1.27 Å. The C(4)-O(2) bond length is 1.29 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(1), one C(7), and one N(2) atom. The C(5)-C(7) bond length is 1.41 Å. The C(5)-N(2) bond length is 1.41 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(7) atom. The C(6)-C(7) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(5), one C(6), and one H(7) atom. The C(7)-H(7) bond length is 1.09 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a 4-coordinate geometry to one Co(1), one C(2), one H(1), and one H(2) atom. The N(1)-H(1) bond length is 1.03 Å. The N(1)-H(2) bond length is 1.05 Å. In the second N site, N(2) is bonded in a 3-coordinate geometry to one Co(1), one C(5), one H(3), and one H(4) atom. The N(2)-H(3) bond length is 1.02 Å. The N(2)-H(4) bond length is 1.02 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(1) and one O(1) atom. The H(2)-O(1) bond length is 1.70 Å. In the third H site, H(3) is bonded in a single-bond geometry to one N(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one C(4) and one H(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(1) and one C(4) atom. Linkers: 4 Nc1cc(N)cc(C([O])=O)c1. Metal clusters: 2 [Co]. RCSR code: rtl. The MOF has largest included sphere 2.80 A, density 1.69 g/cm3, surface area 3514.80 m2/g, accessible volume 0.14 cm3/g