Zn3C14H12(N4O5)2 crystallizes in the monoclinic C2/c space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a tetrahedral geometry to two equivalent N(3) and two equivalent O(5) atoms. Both Zn(1)-N(3) bond lengths are 1.97 Å. Both Zn(1)-O(5) bond lengths are 1.98 Å. In the second Zn site, Zn(2) is bonded in a distorted octahedral geometry to one N(1), one N(4), one O(1), one O(2), one O(3), and one O(4) atom. The Zn(2)-N(1) bond length is 2.02 Å. The Zn(2)-N(4) bond length is 2.03 Å. The Zn(2)-O(1) bond length is 2.21 Å. The Zn(2)-O(2) bond length is 2.29 Å. The Zn(2)-O(3) bond length is 2.29 Å. The Zn(2)-O(4) bond length is 2.14 Å. There are seven inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(1)-C(4) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(3), one C(4), and one H(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(4) bond length is 1.40 Å. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(7) atom. The C(3)-C(4) bond length is 1.41 Å. The C(3)-C(7) bond length is 1.51 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(3) atom. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(3) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-N(2) bond length is 1.34 Å. The C(5)-N(3) bond length is 1.37 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(4) atom. The C(6)-N(3) bond length is 1.36 Å. The C(6)-N(4) bond length is 1.32 Å. The C(6)-H(4) bond length is 1.08 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(5) atom. The C(7)-O(4) bond length is 1.25 Å. The C(7)-O(5) bond length is 1.29 Å. There are four inequivalent N sites. In the first N site, N(4) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(6), and one N(1) atom. The N(4)-N(1) bond length is 1.39 Å. In the second N site, N(1) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(5), and one N(4) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one C(5), one H(2), and one H(3) atom. The N(2)-H(2) bond length is 1.02 Å. The N(2)-H(3) bond length is 1.02 Å. In the fourth N site, N(3) is bonded in a trigonal planar geometry to one Zn(1), one C(5), and one C(6) atom. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a distorted single-bond geometry to one O(2) and one O(3) atom. The H(5)-O(2) bond length is 1.66 Å. The H(5)-O(3) bond length is 1.01 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(3) atom. The H(6)-O(3) bond length is 0.97 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Zn(2) and one C(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Zn(2), one C(1), and one H(5) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Zn(2), one H(5), and one H(6) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Zn(2) and one C(7) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. Linkers: 2 [O]C(=O)c1cc(C([O])=O)c(C([O])=O)cc1C([O])=O ,2 NC1=[N]=CN=N1 ,2 NC1=N[N]C=N1. Metal clusters: 6 [Zn]. The MOF has largest included sphere 3.07 A, density 2.07 g/cm3, surface area 3082.26 m2/g, accessible volume 0.14 cm3/g