Co2C25N4H21O9 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one Co2C25N4H21O9 cluster. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one N(1), one O(3), one O(6), one O(9), and two equivalent O(1) atoms to form edge-sharing CoNO5 octahedra. The Co(1)-N(1) bond length is 2.08 Å. The Co(1)-O(3) bond length is 2.14 Å. The Co(1)-O(6) bond length is 2.20 Å. The Co(1)-O(9) bond length is 2.12 Å. There is one shorter (2.08 Å) and one longer (2.10 Å) Co(1)-O(1) bond length. In the second Co site, Co(2) is bonded in a 6-coordinate geometry to one N(4), one O(1), one O(2), one O(4), one O(6), and one O(8) atom. The Co(2)-N(4) bond length is 2.06 Å. The Co(2)-O(1) bond length is 2.01 Å. The Co(2)-O(2) bond length is 2.02 Å. The Co(2)-O(4) bond length is 2.57 Å. The Co(2)-O(6) bond length is 2.15 Å. The Co(2)-O(8) bond length is 2.02 Å. There are twenty-five inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(1)-N(1) bond length is 1.31 Å. The C(1)-N(2) bond length is 1.34 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(2) atom. The C(2)-C(3) bond length is 1.32 Å. The C(2)-N(1) bond length is 1.38 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one N(2), and one H(3) atom. The C(3)-N(2) bond length is 1.34 Å. The C(3)-H(3) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a 3-coordinate geometry to one C(5); one N(2); and two equivalent H(4,5) atoms. The C(4)-C(5) bond length is 1.51 Å. The C(4)-N(2) bond length is 1.46 Å. Both C(4)-H(4,5) bond lengths are 0.97 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(6) atom. The C(5)-C(10) bond length is 1.40 Å. The C(5)-C(6) bond length is 1.37 Å. In the sixth C site, C(6) is bonded in a single-bond geometry to one C(5) and one H(6) atom. The C(6)-H(6) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(8) and one H(7) atom. The C(7)-C(8) bond length is 1.38 Å. The C(7)-H(7) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(14), one C(7), and one C(9) atom. The C(8)-C(14) bond length is 1.51 Å. The C(8)-C(9) bond length is 1.38 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(8) atom. The C(9)-H(8) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(5) and one H(9) atom. The C(10)-H(9) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(10) atom. The C(11)-N(3) bond length is 1.32 Å. The C(11)-N(4) bond length is 1.31 Å. The C(11)-H(10) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(13), one N(4), and one H(11) atom. The C(12)-C(13) bond length is 1.33 Å. The C(12)-N(4) bond length is 1.39 Å. The C(12)-H(11) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a 3-coordinate geometry to one C(12), one N(3), and one H(12) atom. The C(13)-N(3) bond length is 1.37 Å. The C(13)-H(12) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a 3-coordinate geometry to one C(8); one N(3); and two equivalent H(13,14) atoms. The C(14)-N(3) bond length is 1.46 Å. Both C(14)-H(13,14) bond lengths are 0.97 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(2), and one O(3) atom. The C(15)-C(16) bond length is 1.51 Å. The C(15)-O(2) bond length is 1.27 Å. The C(15)-O(3) bond length is 1.25 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(15), one C(17), and one C(21) atom. The C(16)-C(17) bond length is 1.39 Å. The C(16)-C(21) bond length is 1.40 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(16) and one H(15) atom. The C(17)-H(15) bond length is 0.93 Å. In the eighteenth C site, C(18) is bonded in a distorted single-bond geometry to one O(4) atom. The C(18)-O(4) bond length is 1.37 Å. In the nineteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(20) and one H(16) atom. The C(19)-C(20) bond length is 1.39 Å. The C(19)-H(16) bond length is 0.93 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(19), one C(21), and one O(7) atom. The C(20)-C(21) bond length is 1.39 Å. The C(20)-O(7) bond length is 1.35 Å. In the twenty-first C site, C(21) is bonded in a distorted single-bond geometry to one C(16), one C(20), and one H(17) atom. The C(21)-H(17) bond length is 0.93 Å. In the twenty-second C site, C(22) is bonded in a distorted trigonal non-coplanar geometry to two equivalent H(18,19) and one O(4) atom. Both C(22)-H(18,19) bond lengths are 0.97 Å. The C(22)-O(4) bond length is 1.43 Å. In the twenty-third C site, C(23) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(23)-O(5) bond length is 1.24 Å. The C(23)-O(6) bond length is 1.27 Å. In the twenty-fourth C site, C(24) is bonded in a distorted trigonal non-coplanar geometry to two equivalent H(20,21) and one O(7) atom. Both C(24)-H(20,21) bond lengths are 0.97 Å. The C(24)-O(7) bond length is 1.43 Å. In the twenty-fifth C site, C(25) is bonded in a distorted bent 120 degrees geometry to one O(8) and one O(9) atom. The C(25)-O(8) bond length is 1.25 Å. The C(25)-O(9) bond length is 1.24 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Co(1), one C(1), and one C(2) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(4) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(14) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Co(2), one C(11), and one C(12) atom. There are seventeen inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. 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(4,5) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(12) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(13) atom. In the twelfth H site, H(13,14) is bonded in a single-bond geometry to one C(14) atom. In the thirteenth H site, H(15) is bonded in a single-bond geometry to one C(17) atom. In the fourteenth H site, H(16) is bonded in a single-bond geometry to one C(19) atom. In the fifteenth H site, H(17) is bonded in a single-bond geometry to one C(21) atom. In the sixteenth H site, H(18,19) is bonded in a single-bond geometry to one C(22) atom. In the seventeenth H site, H(20,21) is bonded in a single-bond geometry to one C(24) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a trigonal non-coplanar geometry to one Co(2) and two equivalent Co(1) atoms. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(2) and one C(15) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(1) and one C(15) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Co(2), one C(18), and one C(22) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(23) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Co(1), one Co(2), and one C(23) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one C(20) and one C(24) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(2) and one C(25) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Co(1) and one C(25) atom. Linkers: 2 c1cn(Cc2ccc(Cn3ccnc3)cc2)cn1 ,2 [O]C(=O)COc1cc(OCC([O])=O)cc(C([O])=O)c1. Metal clusters: 1 O=[C]O[Co@]12O[C]O[Co](O[C]O[Co@@]3(O[C]=O)O[C]O[Co](O[C]O1)O3)O2. RCSR code: kgd. The MOF has largest included sphere 4.29 A, density 1.48 g/cm3, surface area 4063.63 m2/g, accessible volume 0.24 cm3/g