ZnC10N4H6O5 crystallizes in the triclinic P-1 space group. Zn(1) is bonded in a tetrahedral geometry to one N(3), one O(1), one O(3), and one O(5) atom. The Zn(1)-N(3) bond length is 2.04 Å. The Zn(1)-O(1) bond length is 1.95 Å. The Zn(1)-O(3) bond length is 1.94 Å. The Zn(1)-O(5) bond length is 1.98 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(4) atom. The C(1)-C(2) bond length is 1.47 Å. The C(1)-C(3) bond length is 1.40 Å. The C(1)-C(4) bond length is 1.42 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(1), one N(3), and one O(3) atom. The C(2)-N(3) bond length is 1.33 Å. The C(2)-O(3) bond length is 1.28 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(1), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(5) atom. The C(4)-C(5) bond length is 1.46 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(4), and one O(4) atom. The C(5)-N(4) bond length is 1.35 Å. The C(5)-O(4) bond length is 1.27 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(10), one C(9), and one H(2) atom. The C(6)-C(10) bond length is 1.40 Å. The C(6)-C(9) bond length is 1.40 Å. The C(6)-H(2) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(2), and one O(1) atom. The C(7)-C(9) bond length is 1.46 Å. The C(7)-N(2) bond length is 1.32 Å. The C(7)-O(1) bond length is 1.31 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(10), one N(1), and one O(2) atom. The C(8)-C(10) bond length is 1.46 Å. The C(8)-N(1) bond length is 1.36 Å. The C(8)-O(2) bond length is 1.27 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(7) atom. The C(9)-C(10) bond length is 1.42 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(6), one C(8), and one C(9) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one C(8), one N(2), and one H(3) atom. The N(1)-N(2) bond length is 1.37 Å. The N(1)-H(3) bond length is 1.03 Å. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one C(7) and one N(1) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(2), and one N(4) atom. The N(3)-N(4) bond length is 1.37 Å. In the fourth N site, N(4) is bonded in a 2-coordinate geometry to one C(5), one N(3), and one H(4) atom. The N(4)-H(4) bond length is 1.03 Å. There are six 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(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(4) atom. In the fifth H site, H(5) is bonded in a linear geometry to one O(2) and one O(5) atom. The H(5)-O(2) bond length is 1.54 Å. The H(5)-O(5) bond length is 1.03 Å. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(5) atom. The H(6)-O(5) bond length is 1.00 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one C(8) and one H(5) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one C(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Zn(1), one H(5), and one H(6) atom. Linkers: 2 O=C1[N]NC(=O)c2cc3c(cc21)C(=O)N=NC3=O ,2 O=C1[N]NC(=O)c2cc3c(cc21)C(=O)N[N]C3=O. Metal clusters: 2 [Zn]. The MOF has largest included sphere 1.80 A, density 2.18 g/cm3, surface area 3080.79 m2/g, accessible volume 0.07 cm3/g