ZnC10N3H7O5 crystallizes in the monoclinic C2/c space group. Zn(1) is bonded to one N(2), one N(3), one O(1), one O(3), and two equivalent O(5) atoms to form distorted edge-sharing ZnN2O4 octahedra. The Zn(1)-N(2) bond length is 2.12 Å. The Zn(1)-N(3) bond length is 2.16 Å. The Zn(1)-O(1) bond length is 1.97 Å. The Zn(1)-O(3) bond length is 1.97 Å. There is one shorter (2.34 Å) and one longer (2.49 Å) Zn(1)-O(5) bond length. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.40 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 C(1), one C(3), and one C(9) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(9) bond length is 1.51 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(2) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(2) 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 1.39 Å. The C(4)-N(1) bond length is 1.44 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(3) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(5) atom. The C(6)-C(10) bond length is 1.50 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(4) atom. The C(7)-N(1) bond length is 1.36 Å. The C(7)-N(2) bond length is 1.32 Å. The C(7)-H(4) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(5) atom. The C(8)-N(1) bond length is 1.36 Å. The C(8)-N(3) bond length is 1.32 Å. The C(8)-H(5) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(9)-O(1) bond length is 1.29 Å. The C(9)-O(2) bond length is 1.25 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(3), and one O(4) atom. The C(10)-O(3) bond length is 1.28 Å. The C(10)-O(4) bond length is 1.27 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(4), one C(7), and one C(8) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(7), and one N(3) atom. The N(2)-N(3) bond length is 1.38 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(8), and one N(2) atom. There are seven 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(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(5) atom. The H(6)-O(5) bond length is 0.98 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(4) and one O(5) atom. The H(7)-O(4) bond length is 1.70 Å. The H(7)-O(5) bond length is 1.01 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(9) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(9) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(10) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one C(10) and one H(7) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to two equivalent Zn(1), one H(6), and one H(7) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc(-n2cnnc2)c1. Metal clusters: 2 O.O.O=[C]O[Zn]1(O[C]=O)[N][N][Zn](O[C]=O)(O[C]=O)[N][N]1. The MOF has largest included sphere 2.39 A, density 1.96 g/cm3, surface area 3392.22 m2/g, accessible volume 0.13 cm3/g