Co3C33N12H24O7(C4NH2)3 is Indium-derived structured and crystallizes in the hexagonal P6_3mc space group. The structure is zero-dimensional and consists of two C4NH2 clusters and two Co3C33N12H24O7 clusters. In each C4NH2 cluster, there are three inequivalent C sites. In the first C site, C(3) is bonded in a distorted single-bond geometry to one C(6) and one H(3) atom. The C(3)-C(6) bond length is 1.40 Å. The C(3)-H(3) bond length is 0.95 Å. In the second C site, C(6) is bonded in a trigonal planar geometry to one C(7) and two equivalent C(3) atoms. The C(6)-C(7) bond length is 1.49 Å. In the third C site, C(7) is bonded in a distorted trigonal planar geometry to one C(6) and two equivalent N(4) atoms. Both C(7)-N(4) bond lengths are 1.34 Å. N(4) is bonded in a bent 120 degrees geometry to two equivalent C(7) atoms. H(3) is bonded in a single-bond geometry to one C(3) atom. In each Co3C33N12H24O7 cluster, Co(1) is bonded to one N(2), two equivalent N(1), one O(2), and two equivalent O(1) atoms to form corner-sharing CoN3O3 octahedra. The corner-sharing octahedral tilt angles are 64°. The Co(1)-N(2) bond length is 2.09 Å. Both Co(1)-N(1) bond lengths are 2.14 Å. The Co(1)-O(2) bond length is 2.02 Å. Both Co(1)-O(1) bond lengths are 2.09 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(1) atom. The C(1)-N(1) bond length is 1.32 Å. The C(1)-N(3) bond length is 1.34 Å. The C(1)-H(1) bond length is 0.95 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(2) atom. The C(2)-N(2) bond length is 1.35 Å. The C(2)-H(2) bond length is 0.95 Å. In the third C site, C(4) is bonded in a distorted single-bond geometry to one C(10) and one H(4) atom. The C(4)-C(10) bond length is 1.35 Å. The C(4)-H(4) bond length is 0.95 Å. In the fourth C site, C(5) is bonded in a single-bond geometry to one C(9) and one H(5) atom. The C(5)-C(9) bond length is 1.34 Å. The C(5)-H(5) bond length is 0.95 Å. In the fifth C site, C(8) is bonded in a bent 120 degrees geometry to one C(9) and two equivalent O(1) atoms. The C(8)-C(9) bond length is 1.51 Å. Both C(8)-O(1) bond lengths are 1.26 Å. In the sixth C site, C(9) is bonded in a trigonal planar geometry to one C(8) and two equivalent C(5) atoms. In the seventh C site, C(10) is bonded in a distorted trigonal planar geometry to two equivalent C(4) and one N(3) atom. The C(10)-N(3) bond length is 1.46 Å. There are three inequivalent N sites. In the first N site, N(2) is bonded in a trigonal planar geometry to one Co(1) and two equivalent C(2) atoms. In the second N site, N(3) is bonded in a trigonal planar geometry to one C(10) and two equivalent C(1) atoms. In the third N site, N(1) is bonded in a 3-coordinate geometry to one Co(1), one C(1), and one N(1) atom. The N(1)-N(1) bond length is 1.40 Å. There are four 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(4) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. There are two inequivalent O sites. In the first O site, O(2) is bonded in a trigonal planar geometry to three equivalent Co(1) atoms. In the second O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(8) atom. Linkers: 2 n1ccc(cc1)C1=NC(=[N]=C([N]1)c1ccncc1)c1ccncc1 ,6 [O]C(=O)c1ccc(-n2cnnc2)cc1. Metal clusters: 1 [C]1O[Co@@]23=N[N][Co]45(N=N[Co](N=N2)(O[C]O3)(O[C]O4)O5)O1 ,1 [C]1O[Co@]23=N[N][Co]45(N=N[Co](N=N2)(O[C]O3)(O[C]O4)O5)O1. The MOF has largest included sphere 10.20 A, density 0.77 g/cm3, surface area 4188.20 m2/g, accessible volume 0.79 cm3/g