CoC13N2H10O5CH3 crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a CoC13N2H10O5 framework. In the CoC13N2H10O5 framework, Co(1) is bonded in an octahedral geometry to one N(1), one N(2), one O(1), one O(3), one O(4), and one O(5) atom. The Co(1)-N(1) bond length is 2.09 Å. The Co(1)-N(2) bond length is 2.07 Å. The Co(1)-O(1) bond length is 2.07 Å. The Co(1)-O(3) bond length is 2.02 Å. The Co(1)-O(4) bond length is 2.05 Å. The Co(1)-O(5) bond length is 2.22 Å. There are thirteen 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 1.50 Å. The C(1)-O(1) bond length is 1.29 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(14), and one N(1) atom. The C(2)-C(14) bond length is 1.40 Å. The C(2)-N(1) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(14), one C(4), and one H(3) atom. The C(3)-C(14) bond length is 1.40 Å. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(7) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(7) bond length is 1.50 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(4) atom. The C(5)-N(1) bond length is 1.34 Å. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(3), and one O(4) atom. The C(6)-C(14) bond length is 1.50 Å. The C(6)-O(3) bond length is 1.27 Å. The C(6)-O(4) bond length is 1.27 Å. In the seventh C site, C(7) is bonded in a distorted water-like geometry to one C(4), one H(5), and one H(6) atom. The C(7)-H(5) bond length is 1.10 Å. The C(7)-H(6) bond length is 1.10 Å. In the eighth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(10) atom. The C(9)-N(2) bond length is 1.35 Å. The C(9)-H(10) bond length is 1.09 Å. In the ninth C site, C(10) is bonded in a distorted single-bond geometry to one C(11) and one H(11) atom. The C(10)-C(11) bond length is 1.41 Å. The C(10)-H(11) bond length is 1.09 Å. In the tenth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(12) atom. The C(11)-C(11) bond length is 1.47 Å. The C(11)-C(12) bond length is 1.41 Å. In the eleventh C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(13), and one H(12) atom. The C(12)-C(13) bond length is 1.39 Å. The C(12)-H(12) bond length is 1.09 Å. In the twelfth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(12), one N(2), and one H(13) atom. The C(13)-N(2) bond length is 1.35 Å. The C(13)-H(13) bond length is 1.09 Å. In the thirteenth C site, C(14) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(6) atom. 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(2), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(1), one C(13), and one C(9) atom. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a distorted linear geometry to one O(2) and one O(5) atom. The H(1)-O(2) bond length is 1.61 Å. The H(1)-O(5) bond length is 1.02 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 0.98 Å. 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(5) 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(7) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(12) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(13) atom. There are five inequivalent O sites. In the first O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one C(6) atom. In the second O site, O(4) is bonded in a bent 120 degrees geometry to one Co(1) and one C(6) atom. In the third O site, O(5) is bonded in a distorted water-like geometry to one Co(1), one H(1), and one H(2) atom. In the fourth O site, O(1) is bonded in a bent 120 degrees geometry to one Co(1) and one C(1) atom. In the fifth O site, O(2) is bonded in a water-like geometry to one C(1) and one H(1) atom. Linkers: 2 c1cc(-c2ccncc2)ccn1 ,4 CCc1cnc(C([O])=O)c(C([O])=O)c1. Metal clusters: 4 [Co]. The MOF has largest included sphere 3.22 A, density 1.54 g/cm3, surface area 4019.15 m2/g, accessible volume 0.18 cm3/g