ZnC16H9(N3O2)2 crystallizes in the triclinic P-1 space group. Zn(1) is bonded in a trigonal bipyramidal geometry to one N(1), one N(2), one N(3), one O(1), and one O(4) atom. The Zn(1)-N(1) bond length is 2.25 Å. The Zn(1)-N(2) bond length is 2.17 Å. The Zn(1)-N(3) bond length is 2.03 Å. The Zn(1)-O(1) bond length is 2.01 Å. The Zn(1)-O(4) bond length is 2.01 Å. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(2) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.33 Å. The C(1)-H(2) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one N(2), and one H(3) atom. The C(2)-N(2) bond length is 1.34 Å. The C(2)-H(3) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(2), and one H(4) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-N(2) bond length is 1.34 Å. The C(3)-H(4) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one N(1) atom. The C(4)-C(5) bond length is 1.46 Å. The C(4)-N(1) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(3), and one N(5) atom. The C(5)-N(3) bond length is 1.37 Å. The C(5)-N(5) bond length is 1.34 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(9), one N(4), and one N(5) atom. The C(6)-C(9) bond length is 1.45 Å. The C(6)-N(4) bond length is 1.36 Å. The C(6)-N(5) bond length is 1.36 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(8), one N(6), and one H(5) atom. The C(7)-C(8) bond length is 1.38 Å. The C(7)-N(6) bond length is 1.35 Å. The C(7)-H(5) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(6) atom. The C(8)-C(9) bond length is 1.41 Å. The C(8)-H(6) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(6), and one C(8) atom. The C(9)-C(10) bond length is 1.41 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(7) atom. The C(10)-C(11) bond length is 1.38 Å. The C(10)-H(7) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(10), one N(6), and one H(8) atom. The C(11)-N(6) bond length is 1.35 Å. The C(11)-H(8) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(15) atom. The C(12)-C(13) bond length is 1.41 Å. The C(12)-C(14) bond length is 1.40 Å. The C(12)-C(15) bond length is 1.50 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(16) atom. The C(13)-C(14) bond length is 1.40 Å. The C(13)-C(16) bond length is 1.51 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(12), one C(13), and one H(9) atom. The C(14)-H(9) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(1), and one O(2) atom. The C(15)-O(1) bond length is 1.28 Å. The C(15)-O(2) bond length is 1.27 Å. In the sixteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(3), and one O(4) atom. The C(16)-O(3) bond length is 1.25 Å. The C(16)-O(4) bond length is 1.29 Å. There are six 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(4) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(2), and one C(3) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(5), and one N(4) atom. The N(3)-N(4) bond length is 1.34 Å. In the fourth N site, N(4) is bonded in a distorted water-like geometry to one C(6) and one N(3) atom. In the fifth N site, N(5) is bonded in a water-like geometry to one C(5) and one C(6) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one C(11), one C(7), and one H(1) atom. The N(6)-H(1) bond length is 1.08 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one N(6) and one O(2) atom. The H(1)-O(2) bond length is 1.57 Å. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(2) 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(7) 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(10) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(14) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(15) atom. In the second O site, O(2) is bonded in a water-like geometry to one C(15) and one H(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(16) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(16) atom. Linkers: 2 [CH]1C=C(C2=NN=C(c3cnccn3)[N]2)C=CN1 ,1 [O]C(=O)c1cc(C([O])=O)c(C([O])=O)cc1C([O])=O. Metal clusters: 2 O=[C]O[Zn]O[C]=O. The MOF has largest included sphere 1.84 A, density 1.80 g/cm3, surface area 3751.87 m2/g, accessible volume 0.09 cm3/g