ZnC16NH9O8 crystallizes in the monoclinic C2/c space group. Zn(1) is bonded in a tetrahedral geometry to one N(1), one O(4), one O(5), and one O(6) atom. The Zn(1)-N(1) bond length is 2.00 Å. The Zn(1)-O(4) bond length is 1.97 Å. The Zn(1)-O(5) bond length is 1.97 Å. The Zn(1)-O(6) bond length is 1.99 Å. There are sixteen inequivalent C sites. In the first 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(12) bond length is 1.41 Å. The C(13)-C(14) bond length is 1.41 Å. The C(13)-C(16) bond length is 1.45 Å. In the second C site, C(14) is bonded in a distorted single-bond geometry to one C(13), one C(15), and one H(7) atom. The C(14)-C(15) bond length is 1.39 Å. The C(14)-H(7) bond length is 1.09 Å. In the third C site, C(15) is bonded in a distorted trigonal planar geometry to one C(14), one N(1), and one H(8) atom. The C(15)-N(1) bond length is 1.35 Å. The C(15)-H(8) bond length is 1.09 Å. In the fourth C site, C(16) is bonded in a distorted single-bond geometry to one C(13) and one H(9) atom. The C(16)-H(9) bond length is 1.09 Å. In the fifth C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(3) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-H(3) bond length is 1.09 Å. In the sixth C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(8) atom. The C(2)-C(3) bond length is 1.41 Å. The C(2)-C(8) bond length is 1.50 Å. In the seventh C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(9) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-C(9) bond length is 1.51 Å. In the eighth C site, C(4) is bonded in a trigonal planar geometry to one C(10), one C(3), and one C(5) atom. The C(4)-C(10) bond length is 1.49 Å. The C(4)-C(5) bond length is 1.40 Å. In the ninth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(4) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-H(4) bond length is 1.09 Å. In the tenth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(7) atom. The C(6)-C(7) bond length is 1.49 Å. In the eleventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.33 Å. The C(7)-O(2) bond length is 1.23 Å. In the twelfth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.26 Å. The C(8)-O(4) bond length is 1.29 Å. In the thirteenth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(5), and one O(6) atom. The C(9)-O(5) bond length is 1.27 Å. The C(9)-O(6) bond length is 1.27 Å. In the fourteenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(7), and one O(8) atom. The C(10)-O(7) bond length is 1.25 Å. The C(10)-O(8) bond length is 1.33 Å. In the fifteenth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(5) atom. The C(11)-N(1) bond length is 1.35 Å. The C(11)-H(5) bond length is 1.09 Å. In the sixteenth C site, C(12) is bonded in a distorted single-bond geometry to one C(13) and one H(6) atom. The C(12)-H(6) bond length is 1.09 Å. N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(11), and one C(15) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a distorted linear geometry to one O(1) and one O(3) atom. The H(1)-O(1) bond length is 1.02 Å. The H(1)-O(3) bond length is 1.58 Å. In the second H site, H(2) is bonded in a distorted linear geometry to one O(7) and one O(8) atom. The H(2)-O(7) bond length is 1.62 Å. The H(2)-O(8) bond length is 1.02 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(14) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(15) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one C(7) and one H(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(7) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one C(8) and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(9) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(9) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one C(10) and one H(2) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one C(10) and one H(2) atom. Linkers: 2 C(=C/c1ccncc1)\c1ccncc1 ,4 [O]C(=O)c1cc(C(=O)O)cc(C(=O)O)c1C([O])=O. Metal clusters: 4 [Zn]. The MOF has largest included sphere 2.43 A, density 1.77 g/cm3, surface area 3885.58 m2/g, accessible volume 0.12 cm3/g