ZnC18H12(NO3)2 is Indium-like structured and crystallizes in the tetragonal P-42_1c space group. The structure is zero-dimensional and consists of four ZnC18H12(NO3)2 clusters. Zn(1) is bonded in a trigonal bipyramidal geometry to one N(1), one N(2), one O(1), one O(4), and one O(5) atom. The Zn(1)-N(1) bond length is 2.18 Å. The Zn(1)-N(2) bond length is 2.12 Å. The Zn(1)-O(1) bond length is 2.01 Å. The Zn(1)-O(4) bond length is 2.00 Å. The Zn(1)-O(5) bond length is 1.99 Å. There are eighteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(13), one C(2), and one C(4) atom. The C(1)-C(13) bond length is 1.38 Å. The C(1)-C(2) bond length is 1.48 Å. The C(1)-C(4) bond length is 1.40 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(15), and one C(17) atom. The C(2)-C(15) bond length is 1.39 Å. The C(2)-C(17) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(4) atom. The C(3)-C(5) bond length is 1.49 Å. The C(3)-O(1) bond length is 1.24 Å. The C(3)-O(4) bond length is 1.26 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(4)-H(1) bond length is 0.95 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(16), one C(3), and one C(7) atom. The C(5)-C(16) bond length is 1.40 Å. The C(5)-C(7) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(8) and one H(3) atom. The C(6)-C(8) bond length is 1.39 Å. The C(6)-H(3) bond length is 0.95 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(5) and one O(2) atom. The C(7)-O(2) bond length is 1.35 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(14), one C(18), and one C(6) atom. The C(8)-C(14) bond length is 1.41 Å. The C(8)-C(18) bond length is 1.48 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4) atom. The C(9)-N(1) bond length is 1.33 Å. The C(9)-H(4) bond length is 0.95 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(13), one N(2), and one H(6) atom. The C(10)-C(13) bond length is 1.37 Å. The C(10)-N(2) bond length is 1.34 Å. The C(10)-H(6) bond length is 0.95 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(7) atom. The C(11)-N(1) bond length is 1.34 Å. The C(11)-H(7) bond length is 0.95 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(8) atom. The C(12)-N(2) bond length is 1.34 Å. The C(12)-H(8) bond length is 0.95 Å. In the thirteenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(1), one C(10), and one H(9) atom. The C(13)-H(9) bond length is 0.95 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(8) and one O(3) atom. The C(14)-O(3) bond length is 1.37 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(2) and one H(10,12) atom. The C(15)-H(10,12) bond length is 0.95 Å. In the sixteenth C site, C(16) is bonded in a single-bond geometry to one C(5) and one H(11) atom. The C(16)-H(11) bond length is 0.95 Å. In the seventeenth C site, C(17) is bonded in a distorted single-bond geometry to one C(2) and one H(10,12) atom. The C(17)-H(10,12) bond length is 0.95 Å. In the eighteenth C site, C(18) is bonded in a bent 120 degrees geometry to one C(8), one O(5), and one O(6) atom. The C(18)-O(5) bond length is 1.25 Å. The C(18)-O(6) bond length is 1.26 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(11), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(10), and one C(12) atom. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 0.84 Å. 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(9) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(3) atom. The H(5)-O(3) bond length is 0.84 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(12) 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(10,12) is bonded in a single-bond geometry to one C(15) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(16) atom. There are six inequivalent O sites. In the first O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one C(3) atom. In the second O site, O(5) is bonded in a water-like geometry to one Zn(1) and one C(18) atom. In the third O site, O(6) is bonded in a single-bond geometry to one C(18) atom. In the fourth O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one C(3) atom. In the fifth O site, O(2) is bonded in a water-like geometry to one C(7) and one H(2) atom. In the sixth O site, O(3) is bonded in a water-like geometry to one C(14) and one H(5) atom. Linkers: 8 c1cc(-c2ccncc2)ccn1 ,7 [O]C(=O)c1cc(O)c(C([O])=O)cc1O ,1 [O]C(=O)c1cc(O)c([C]=O)cc1O. Metal clusters: 4 O=[C]O[Zn]1O[C]O[Zn](O[C]=O)O[C]O1. The MOF has largest included sphere 9.83 A, density 0.80 g/cm3, surface area 4345.07 m2/g, accessible volume 0.76 cm3/g