ZnC20H16(N3O2)2 is Indium-like structured and crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four ZnC20H16(N3O2)2 clusters. Zn(1) is bonded in a tetrahedral geometry to one N(1), one N(4), one O(1), and one O(3) atom. The Zn(1)-N(1) bond length is 2.07 Å. The Zn(1)-N(4) bond length is 2.02 Å. The Zn(1)-O(1) bond length is 1.98 Å. The Zn(1)-O(3) bond length is 1.98 Å. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.30 Å. The C(1)-O(2) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(7) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(2) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one N(3) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-N(3) bond length is 1.43 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(7)-H(4) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted trigonal non-coplanar geometry to one C(9), one H(5), one H(6), and one H(7) atom. The C(8)-C(9) bond length is 1.48 Å. The C(8)-H(5) bond length is 1.10 Å. The C(8)-H(6) bond length is 1.10 Å. The C(8)-H(7) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(8), one N(2), and one N(3) atom. The C(9)-N(2) bond length is 1.32 Å. The C(9)-N(3) bond length is 1.38 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(8) atom. The C(10)-N(1) bond length is 1.32 Å. The C(10)-N(3) bond length is 1.36 Å. The C(10)-H(8) bond length is 1.08 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(3), and one O(4) atom. The C(11)-C(12) bond length is 1.51 Å. The C(11)-O(3) bond length is 1.30 Å. The C(11)-O(4) bond length is 1.25 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(17) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-C(17) bond length is 1.40 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(9) atom. The C(13)-H(9) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(15) and one H(10) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-H(10) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(14), one C(16), and one N(6) atom. The C(15)-C(16) bond length is 1.40 Å. The C(15)-N(6) bond length is 1.43 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(15) and one H(11) atom. The C(16)-H(11) bond length is 1.09 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(12) and one H(12) atom. The C(17)-H(12) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a distorted trigonal non-coplanar geometry to one C(19), one H(13), one H(14), and one H(15) atom. The C(18)-C(19) bond length is 1.48 Å. The C(18)-H(13) bond length is 1.10 Å. The C(18)-H(14) bond length is 1.10 Å. The C(18)-H(15) bond length is 1.09 Å. In the nineteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(18), one N(5), and one N(6) atom. The C(19)-N(5) bond length is 1.32 Å. The C(19)-N(6) bond length is 1.38 Å. In the twentieth C site, C(20) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(16) atom. The C(20)-N(4) bond length is 1.32 Å. The C(20)-N(6) bond length is 1.36 Å. The C(20)-H(16) bond length is 1.08 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(10), and one N(2) atom. The N(1)-N(2) bond length is 1.38 Å. In the second N site, N(2) is bonded in a distorted water-like geometry to one C(9) and one N(1) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(10), one C(5), and one C(9) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(20), and one N(5) atom. The N(4)-N(5) bond length is 1.38 Å. In the fifth N site, N(5) is bonded in a distorted single-bond geometry to one C(19) and one N(4) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one C(15), one C(19), and one C(20) atom. There are sixteen 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(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) 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(10) 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(16) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(17) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(18) 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(18) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(20) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Zn(1) and one C(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Zn(1) and one C(11) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(11) atom. Linkers: 1 [CH]N(C(C)=[N])c1ccc(C(=O)O[Zn](OC(=O)c2ccc(-n3cnnc3C)cc2)(N2[CH]N(c3ccc(C([O])=O)cc3)C(C)=N2)N2[CH]N(c3ccc(C([O])=O)cc3)C(C)=N2)cc1 ,1 [C]/C=C\[C]([C])C(=O)O[Zn]([O])(N1[CH]N(c2ccc(C([O])=O)cc2)C(C)=N1)N1[CH]N(c2ccc(C([O])=O)cc2)C(C)=N1 ,1 [CH]=[C]N1[CH]N([Zn](OC(=O)c2ccc(-n3cnnc3C)cc2)(OC(=O)c2ccc(-n3cnnc3C)cc2)n2cnc([CH2])n2)N=C1C. Metal clusters: 1 O=[C]O[Zn]O[C]=O. The MOF has largest included sphere 1.89 A, density 1.63 g/cm3, surface area 4757.04 m2/g, accessible volume 0.11 cm3/g