(Co2C24N4H16O9)2(CoC12H8(NO2)2)5 is Indium-like structured and crystallizes in the monoclinic C2/m space group. The structure is zero-dimensional and consists of four Co2C24N4H16O9 clusters and two CoC12H8(NO2)2 clusters. In each Co2C24N4H16O9 cluster, Co(1) is bonded to one N(3), one N(4), one O(1), one O(3), one O(4), and one O(9) atom to form corner-sharing CoN2O4 octahedra. The corner-sharing octahedral tilt angles are 65°. The Co(1)-N(3) bond length is 2.15 Å. The Co(1)-N(4) bond length is 2.16 Å. The Co(1)-O(1) bond length is 2.06 Å. The Co(1)-O(3) bond length is 2.16 Å. The Co(1)-O(4) bond length is 2.07 Å. The Co(1)-O(9) bond length is 2.08 Å. There are twelve inequivalent C sites. In the first C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(12) atom. The C(2)-N(4) bond length is 1.33 Å. The C(2)-H(12) bond length is 0.93 Å. In the second C site, C(4) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(1) atom. The C(4)-N(3) bond length is 1.31 Å. The C(4)-H(1) bond length is 0.93 Å. In the third C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(1), and one O(9) atom. The C(5)-C(18) bond length is 1.51 Å. The C(5)-O(1) bond length is 1.27 Å. The C(5)-O(9) bond length is 1.23 Å. In the fourth C site, C(3) is bonded in a distorted single-bond geometry to one C(26) and one H(14) atom. The C(3)-C(26) bond length is 1.36 Å. The C(3)-H(14) bond length is 0.93 Å. In the fifth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(10) atom. The C(6)-N(4) bond length is 1.32 Å. The C(6)-H(10) bond length is 0.93 Å. In the sixth C site, C(11) is bonded in a distorted single-bond geometry to one C(26) and one H(6) atom. The C(11)-C(26) bond length is 1.37 Å. The C(11)-H(6) bond length is 0.93 Å. In the seventh C site, C(15) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(4) atom. The C(15)-N(3) bond length is 1.33 Å. The C(15)-H(4) bond length is 0.93 Å. In the eighth C site, C(17) is bonded in a distorted single-bond geometry to one C(18) and one H(3) atom. The C(17)-C(18) bond length is 1.34 Å. The C(17)-H(3) bond length is 0.93 Å. In the ninth C site, C(18) is bonded in a trigonal planar geometry to one C(17), one C(21), and one C(5) atom. The C(18)-C(21) bond length is 1.40 Å. In the tenth C site, C(21) is bonded in a distorted single-bond geometry to one C(18) and one H(18) atom. The C(21)-H(18) bond length is 0.93 Å. In the eleventh C site, C(22) is bonded in a bent 120 degrees geometry to one C(26), one O(4), and one O(5) atom. The C(22)-C(26) bond length is 1.53 Å. The C(22)-O(4) bond length is 1.16 Å. The C(22)-O(5) bond length is 1.26 Å. In the twelfth C site, C(26) is bonded in a trigonal planar geometry to one C(11), one C(22), and one C(3) atom. There are two inequivalent N sites. In the first N site, N(3) is bonded in a trigonal planar geometry to one Co(1), one C(15), and one C(4) atom. In the second N site, N(4) is bonded in a trigonal planar geometry to one Co(1), one C(2), and one C(6) atom. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(17) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(15) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(10) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(12) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(14) is bonded in a single-bond geometry to one C(3) atom. In the eighth H site, H(18) is bonded in a single-bond geometry to one C(21) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(5) atom. In the second O site, O(3) is bonded in a bent 120 degrees geometry to two equivalent Co(1) atoms. In the third O site, O(4) is bonded in a bent 120 degrees geometry to one Co(1) and one C(22) atom. In the fourth O site, O(5) is bonded in a single-bond geometry to one C(22) atom. In the fifth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one C(5) atom. In each CoC12H8(NO2)2 cluster, there are three inequivalent Co sites. In the first Co site, Co(2) is bonded in a square pyramidal geometry to one N(1), two equivalent O(6), and two equivalent O(8) atoms. The Co(2)-N(1) bond length is 2.14 Å. Both Co(2)-O(6) bond lengths are 2.03 Å. Both Co(2)-O(8) bond lengths are 2.07 Å. In the second Co site, Co(3) is bonded in a square co-planar geometry to two equivalent N(2) and two equivalent O(7) atoms. Both Co(3)-N(2) bond lengths are 2.13 Å. Both Co(3)-O(7) bond lengths are 2.06 Å. In the third Co site, Co(4) is bonded in an octahedral geometry to four equivalent N(5) and two equivalent O(2) atoms. All Co(4)-N(5) bond lengths are 2.18 Å. Both Co(4)-O(2) bond lengths are 2.10 Å. There are eighteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(5) atom. The C(1)-N(5) bond length is 1.32 Å. The C(1)-H(5) bond length is 0.93 Å. In the second C site, C(7) is bonded in a distorted single-bond geometry to one C(12) and one H(8) atom. The C(7)-C(12) bond length is 1.37 Å. The C(7)-H(8) bond length is 0.93 Å. In the third C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(19), one O(11), and one O(2) atom. The C(8)-C(19) bond length is 1.50 Å. The C(8)-O(11) bond length is 1.24 Å. The C(8)-O(2) bond length is 1.26 Å. In the fourth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(6), and one O(7) atom. The C(9)-C(12) bond length is 1.53 Å. The C(9)-O(6) bond length is 1.24 Å. The C(9)-O(7) bond length is 1.22 Å. In the fifth C site, C(10) is bonded in a distorted single-bond geometry to one C(23) and one H(7) atom. The C(10)-C(23) bond length is 1.37 Å. The C(10)-H(7) bond length is 0.93 Å. In the sixth C site, C(12) is bonded in a trigonal planar geometry to one C(24), one C(7), and one C(9) atom. The C(12)-C(24) bond length is 1.37 Å. In the seventh C site, C(13) is bonded in a distorted trigonal planar geometry to one C(19), one C(27), and one H(20) atom. The C(13)-C(19) bond length is 1.38 Å. The C(13)-C(27) bond length is 1.41 Å. The C(13)-H(20) bond length is 0.93 Å. In the eighth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(13) atom. The C(14)-N(2) bond length is 1.33 Å. The C(14)-H(13) bond length is 0.93 Å. In the ninth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(9) atom. The C(16)-N(5) bond length is 1.35 Å. The C(16)-H(9) bond length is 0.93 Å. In the tenth C site, C(19) is bonded in a trigonal planar geometry to one C(13), one C(30), and one C(8) atom. The C(19)-C(30) bond length is 1.37 Å. In the eleventh C site, C(20) is bonded in a distorted single-bond geometry to one C(23) and one H(16) atom. The C(20)-C(23) bond length is 1.36 Å. The C(20)-H(16) bond length is 0.93 Å. In the twelfth C site, C(23) is bonded in a trigonal planar geometry to one C(10), one C(20), and one C(28) atom. The C(23)-C(28) bond length is 1.52 Å. In the thirteenth C site, C(24) is bonded in a distorted single-bond geometry to one C(12) and one H(2) atom. The C(24)-H(2) bond length is 0.93 Å. In the fourteenth C site, C(25) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(17) atom. The C(25)-N(2) bond length is 1.27 Å. The C(25)-H(17) bond length is 0.93 Å. In the fifteenth C site, C(27) is bonded in a distorted bent 120 degrees geometry to one C(13), one N(1), and one H(11) atom. The C(27)-N(1) bond length is 1.26 Å. The C(27)-H(11) bond length is 0.93 Å. In the sixteenth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one C(23), one O(10), and one O(8) atom. The C(28)-O(10) bond length is 1.25 Å. The C(28)-O(8) bond length is 1.22 Å. In the seventeenth C site, C(29) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(19) atom. The C(29)-N(1) bond length is 1.33 Å. The C(29)-H(19) bond length is 0.93 Å. In the eighteenth C site, C(30) is bonded in a distorted single-bond geometry to one C(19) and one H(15) atom. The C(30)-H(15) bond length is 0.93 Å. There are three inequivalent N sites. In the first N site, N(5) is bonded in a trigonal planar geometry to one Co(4), one C(1), and one C(16) atom. In the second N site, N(1) is bonded in a trigonal planar geometry to one Co(2), one C(27), and one C(29) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one Co(3), one C(14), and one C(25) atom. There are twelve inequivalent H sites. In the first H site, H(2) is bonded in a single-bond geometry to one C(24) atom. In the second H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(8) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(16) atom. In the sixth H site, H(11) is bonded in a single-bond geometry to one C(27) atom. In the seventh H site, H(13) is bonded in a single-bond geometry to one C(14) atom. In the eighth H site, H(15) is bonded in a single-bond geometry to one C(30) atom. In the ninth H site, H(16) is bonded in a single-bond geometry to one C(20) atom. In the tenth H site, H(17) is bonded in a single-bond geometry to one C(25) atom. In the eleventh H site, H(19) is bonded in a single-bond geometry to one C(29) atom. In the twelfth H site, H(20) is bonded in a single-bond geometry to one C(13) atom. There are six inequivalent O sites. In the first O site, O(2) is bonded in a bent 150 degrees geometry to one Co(4) and one C(8) atom. In the second O site, O(6) is bonded in a bent 150 degrees geometry to one Co(2) and one C(9) atom. In the third O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Co(3) and one C(9) atom. In the fourth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(2) and one C(28) atom. In the fifth O site, O(10) is bonded in a single-bond geometry to one C(28) atom. In the sixth O site, O(11) is bonded in a single-bond geometry to one C(8) atom. Linkers: 17 [O]C(=O)c1ccncc1. Metal clusters: 2 O=[C]O[Co@]12O[C]O[Co@](O[C]=O)(O[C]O1)O2 ,1 O=[C]O[Co]1(O[C]=O)O[C]O[Co]O[C]O1 ,3 [Co]. The MOF has largest included sphere 7.28 A, density 0.97 g/cm3, surface area 4140.14 m2/g, accessible volume 0.52 cm3/g