Co2C23N4H17O9CH crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a Co2C23N4H17O9 framework. In the Co2C23N4H17O9 framework, there are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(2), one N(4), one O(1), one O(3), one O(5), and one O(8) atom to form corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 67°. The Co(1)-N(2) bond length is 2.09 Å. The Co(1)-N(4) bond length is 2.11 Å. The Co(1)-O(1) bond length is 2.18 Å. The Co(1)-O(3) bond length is 2.10 Å. The Co(1)-O(5) bond length is 2.03 Å. The Co(1)-O(8) bond length is 2.08 Å. In the second Co site, Co(2) is bonded to one N(1), one N(3), one O(1), one O(2), one O(4), and one O(6) atom to form corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 67°. The Co(2)-N(1) bond length is 2.10 Å. The Co(2)-N(3) bond length is 2.11 Å. The Co(2)-O(1) bond length is 2.13 Å. The Co(2)-O(2) bond length is 2.02 Å. The Co(2)-O(4) bond length is 2.20 Å. The Co(2)-O(6) bond length is 2.06 Å. There are twenty-three inequivalent C sites. In the first C site, C(13) is bonded in a distorted single-bond geometry to one C(15) and one H(9) atom. The C(13)-C(15) bond length is 1.39 Å. The C(13)-H(9) bond length is 1.09 Å. In the second C site, C(14) is bonded in a distorted single-bond geometry to one C(1) and one H(10) atom. The C(14)-C(1) bond length is 1.40 Å. The C(14)-H(10) bond length is 1.09 Å. In the third C site, C(15) is bonded in a distorted trigonal planar geometry to one C(13), one N(2), and one H(11) atom. The C(15)-N(2) bond length is 1.35 Å. The C(15)-H(11) bond length is 1.09 Å. In the fourth C site, C(16) is bonded in a distorted single-bond geometry to one C(17) and one H(12) atom. The C(16)-C(17) bond length is 1.39 Å. The C(16)-H(12) bond length is 1.09 Å. In the fifth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(16), one N(3), and one H(13) atom. The C(17)-N(3) bond length is 1.35 Å. The C(17)-H(13) bond length is 1.09 Å. In the sixth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(14) atom. The C(18)-N(4) bond length is 1.35 Å. The C(18)-H(14) bond length is 1.09 Å. In the seventh C site, C(19) is bonded in a distorted single-bond geometry to one C(5) and one H(15) atom. The C(19)-C(5) bond length is 1.40 Å. The C(19)-H(15) bond length is 1.09 Å. In the eighth C site, C(21) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(2), and one O(3) atom. The C(21)-C(7) bond length is 1.50 Å. The C(21)-O(2) bond length is 1.27 Å. The C(21)-O(3) bond length is 1.27 Å. In the ninth C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(4), and one O(5) atom. The C(22)-C(1) bond length is 1.51 Å. The C(22)-O(4) bond length is 1.26 Å. The C(22)-O(5) bond length is 1.28 Å. In the tenth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(6), and one O(7) atom. The C(23)-C(5) bond length is 1.50 Å. The C(23)-O(6) bond length is 1.28 Å. The C(23)-O(7) bond length is 1.27 Å. In the eleventh C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(8), and one O(9) atom. The C(24)-C(2) bond length is 1.51 Å. The C(24)-O(8) bond length is 1.28 Å. The C(24)-O(9) bond length is 1.27 Å. In the twelfth C site, C(1) is bonded in a trigonal planar geometry to one C(14), one C(22), and one C(9) atom. The C(1)-C(9) bond length is 1.39 Å. In the thirteenth C site, C(2) is bonded in a trigonal planar geometry to one C(11), one C(24), and one C(3) atom. The C(2)-C(11) bond length is 1.40 Å. The C(2)-C(3) bond length is 1.39 Å. In the fourteenth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(1), and one H(1) atom. The C(3)-N(1) bond length is 1.34 Å. The C(3)-H(1) bond length is 1.08 Å. In the fifteenth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(2), and one H(2) atom. The C(4)-C(7) bond length is 1.39 Å. The C(4)-N(2) bond length is 1.34 Å. The C(4)-H(2) bond length is 1.08 Å. In the sixteenth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(19), and one C(23) atom. The C(5)-C(10) bond length is 1.40 Å. In the seventeenth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(12), one N(1), and one H(3) atom. The C(6)-C(12) bond length is 1.39 Å. The C(6)-N(1) bond length is 1.35 Å. The C(6)-H(3) bond length is 1.09 Å. In the eighteenth C site, C(7) is bonded in a trigonal planar geometry to one C(21), one C(4), and one C(8) atom. The C(7)-C(8) bond length is 1.40 Å. In the nineteenth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(4) atom. The C(8)-H(4) bond length is 1.09 Å. In the twentieth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(1), one N(3), and one H(5) atom. The C(9)-N(3) bond length is 1.34 Å. The C(9)-H(5) bond length is 1.08 Å. In the twenty-first C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(5), one N(4), and one H(6) atom. The C(10)-N(4) bond length is 1.35 Å. The C(10)-H(6) bond length is 1.09 Å. In the twenty-second C site, C(11) is bonded in a distorted single-bond geometry to one C(2) and one H(7) atom. The C(11)-H(7) bond length is 1.09 Å. In the twenty-third C site, C(12) is bonded in a distorted single-bond geometry to one C(6) and one H(8) atom. The C(12)-H(8) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Co(2), one C(3), and one C(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Co(1), one C(15), and one C(4) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Co(2), one C(17), and one C(9) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Co(1), one C(10), and one C(18) atom. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(12) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(13) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(14) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(15) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(16) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(17) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(18) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(19) atom. In the sixteenth H site, H(17) is bonded in a distorted single-bond geometry to one O(1) and one O(7) atom. The H(17)-O(1) bond length is 1.03 Å. The H(17)-O(7) bond length is 1.56 Å. In the seventeenth H site, H(18) is bonded in a distorted single-bond geometry to one O(1) and one O(9) atom. The H(18)-O(1) bond length is 1.02 Å. The H(18)-O(9) bond length is 1.61 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(1), one Co(2), one H(17), and one H(18) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(2) and one C(21) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(21) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one C(22) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Co(1) and one C(22) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(2) and one C(23) atom. In the seventh O site, O(7) is bonded in a water-like geometry to one C(23) and one H(17) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(24) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one C(24) and one H(18) atom. Linkers: 16 [O]C(=O)c1cccnc1. Metal clusters: 4 O.O=[C]O[Co]1O[C]O[Co](O[C]=O)O[C]O1. The MOF has largest included sphere 3.94 A, density 1.50 g/cm3, surface area 3883.11 m2/g, accessible volume 0.19 cm3/g