ZnC20H16(N3O2)2 is Indium-like structured and crystallizes in the orthorhombic P2_12_12 space group. The structure is zero-dimensional and consists of two ZnC20H16(N3O2)2 clusters. Zn(1) is bonded in a distorted tetrahedral geometry to two equivalent N(1) and two equivalent O(2) atoms. Both Zn(1)-N(1) bond lengths are 2.01 Å. Both Zn(1)-O(2) bond lengths are 2.00 Å. There are ten 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 1.34 Å. The C(1)-N(3) bond length is 1.34 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(2) atom. The C(2)-N(1) bond length is 1.37 Å. The C(2)-N(2) bond length is 1.33 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal non-coplanar geometry to one C(4), one N(3), one H(3), and one H(4) atom. The C(3)-C(4) bond length is 1.51 Å. The C(3)-N(3) bond length is 1.46 Å. The C(3)-H(3) bond length is 1.10 Å. The C(3)-H(4) bond length is 1.10 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(9) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(9) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(5) atom. The C(5)-H(5) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(7) and one H(6) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(6) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(10), one C(6), and one C(8) atom. The C(7)-C(10) bond length is 1.50 Å. The C(7)-C(8) bond length is 1.40 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(7) atom. The C(8)-H(7) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(4) and one H(8) atom. The C(9)-H(8) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(1), and one O(2) atom. The C(10)-O(1) bond length is 1.25 Å. The C(10)-O(2) bond length is 1.31 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(2) atom. In the second N site, N(2) is bonded in a distorted water-like geometry to one C(2) and one N(3) atom. The N(2)-N(3) bond length is 1.36 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(2) atom. There are eight 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(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) 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. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(10) atom. In the second O site, O(2) is bonded in a water-like geometry to one Zn(1) and one C(10) atom. Linkers: 4 [O]C(=O)c1ccc(CN2[CH]N=C[N]2)cc1. Metal clusters: 2 O=[C]O[Zn]O[C]=O. The MOF has largest included sphere 2.32 A, density 1.64 g/cm3, surface area 4594.68 m2/g, accessible volume 0.17 cm3/g