CoC20N4H16O5 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one CoC20N4H16O5 cluster. Co(1) is bonded in an octahedral geometry to one N(1), one N(3), one O(1), one O(2), one O(3), and one O(5) atom. The Co(1)-N(1) bond length is 2.07 Å. The Co(1)-N(3) bond length is 2.04 Å. The Co(1)-O(1) bond length is 2.17 Å. The Co(1)-O(2) bond length is 2.25 Å. The Co(1)-O(3) bond length is 2.03 Å. The Co(1)-O(5) bond length is 2.16 Å. There are twenty 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 1.33 Å. The C(1)-N(2) bond length is 1.37 Å. The C(1)-H(1) bond length is 1.08 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(1), and one H(2) atom. The C(2)-C(3) bond length is 1.37 Å. The C(2)-N(1) bond length is 1.38 Å. The C(2)-H(2) bond length is 1.08 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(2), and one H(3) atom. The C(3)-N(2) bond length is 1.39 Å. The C(3)-H(3) bond length is 1.08 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(5), one C(6), and one N(2) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(6) bond length is 1.40 Å. The C(4)-N(2) bond length is 1.42 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(4) and one H(5) atom. The C(6)-H(5) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(6) atom. The C(7)-N(3) bond length is 1.33 Å. The C(7)-N(4) bond length is 1.37 Å. The C(7)-H(6) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(3), and one H(7) atom. The C(8)-C(9) bond length is 1.37 Å. The C(8)-N(3) bond length is 1.38 Å. The C(8)-H(7) bond length is 1.08 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(8), one N(4), and one H(8) atom. The C(9)-N(4) bond length is 1.39 Å. The C(9)-H(8) bond length is 1.08 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(12), and one N(4) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(12) bond length is 1.40 Å. The C(10)-N(4) bond length is 1.42 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(10), one C(12), and one H(9) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-H(9) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(10), one C(11), and one H(10) atom. The C(12)-H(10) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a bent 120 degrees geometry to one C(14), one O(1), and one O(2) atom. The C(13)-C(14) bond length is 1.49 Å. The C(13)-O(1) bond length is 1.29 Å. The C(13)-O(2) bond length is 1.27 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(16) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-C(16) bond length is 1.40 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(11) atom. The C(15)-H(11) bond length is 1.09 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(14) and one H(12) atom. The C(16)-H(12) bond length is 1.09 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(3), and one O(4) atom. The C(17)-C(18) bond length is 1.50 Å. The C(17)-O(3) bond length is 1.29 Å. The C(17)-O(4) bond length is 1.27 Å. In the eighteenth C site, C(18) is bonded in a trigonal planar geometry to one C(17), one C(19), and one C(20) atom. The C(18)-C(19) bond length is 1.40 Å. The C(18)-C(20) bond length is 1.40 Å. In the nineteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(18) and one H(13) atom. The C(19)-H(13) bond length is 1.09 Å. In the twentieth C site, C(20) is bonded in a distorted single-bond geometry to one C(18) and one H(14) atom. The C(20)-H(14) 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(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 Co(1), one C(7), and one C(8) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(10), one C(7), and one C(9) atom. There are sixteen 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) 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(6) 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(7) is bonded in a single-bond geometry to one C(8) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(12) 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(19) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(20) atom. In the fifteenth H site, H(15) is bonded in a distorted linear geometry to one O(4) and one O(5) atom. The H(15)-O(4) bond length is 1.56 Å. The H(15)-O(5) bond length is 1.02 Å. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(5) atom. The H(16)-O(5) bond length is 0.99 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Co(1) and one C(13) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Co(1) and one C(13) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(17) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one C(17) and one H(15) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Co(1), one H(15), and one H(16) atom. Linkers: 2 c1cn(-c2ccc(-n3ccnc3)cc2)cn1 ,4 [c]1cn(-c2ccc(-n3ccnc3)cc2)cn1 ,2 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 2 O.O=[C]O[Co]1O[C]O1. The MOF has largest included sphere 2.85 A, density 1.56 g/cm3, surface area 4351.30 m2/g, accessible volume 0.20 cm3/g