ZnC16N4H12O7 crystallizes in the triclinic P-1 space group. Zn(1) is bonded in a trigonal bipyramidal geometry to one N(1), one O(1), one O(2), one O(3), and one O(4) atom. The Zn(1)-N(1) bond length is 2.05 Å. The Zn(1)-O(1) bond length is 2.23 Å. The Zn(1)-O(2) bond length is 2.16 Å. The Zn(1)-O(3) bond length is 2.02 Å. The Zn(1)-O(4) bond length is 2.03 Å. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(1)-N(1) bond length is 1.33 Å. The C(1)-N(2) bond length is 1.35 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 N(1), one N(3), and one H(2) atom. The C(2)-N(1) bond length is 1.37 Å. The C(2)-N(3) bond length is 1.32 Å. The C(2)-H(2) bond length is 1.08 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4), one C(5), and one H(5) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(5) bond length is 1.39 Å. The C(3)-H(5) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(12), one C(3), and one N(2) atom. The C(4)-C(12) bond length is 1.40 Å. The C(4)-N(2) bond length is 1.42 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(3), one C(6), and one C(7) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(7) bond length is 1.51 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one N(4), and one H(6) atom. The C(6)-N(4) bond length is 1.34 Å. The C(6)-H(6) 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(5), one O(2), and one O(3) atom. The C(7)-O(2) bond length is 1.27 Å. The C(7)-O(3) bond length is 1.28 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(9) atom. The C(8)-C(10) bond length is 1.40 Å. The C(8)-C(11) bond length is 1.40 Å. The C(8)-C(9) bond length is 1.50 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(4), and one O(5) atom. The C(9)-O(4) bond length is 1.29 Å. The C(9)-O(5) bond length is 1.27 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(8) and one H(7) atom. The C(10)-H(7) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(8) and one H(8) atom. The C(11)-H(8) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(4), one N(4), and one H(9) atom. The C(12)-N(4) bond length is 1.34 Å. The C(12)-H(9) bond length is 1.09 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(6), and one O(7) atom. The C(13)-C(16) bond length is 1.48 Å. The C(13)-O(6) bond length is 1.23 Å. The C(13)-O(7) bond length is 1.33 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(16) and one H(11) atom. The C(14)-C(16) bond length is 1.40 Å. The C(14)-H(11) bond length is 1.09 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(16) and one H(12) atom. The C(15)-C(16) bond length is 1.40 Å. The C(15)-H(12) bond length is 1.09 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(15) atom. There are four 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(2) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(4), and one N(3) atom. The N(2)-N(3) bond length is 1.37 Å. In the third N site, N(3) is bonded in a distorted water-like geometry to one C(2) and one N(2) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one C(12), one C(6), and one H(4) atom. The N(4)-H(4) bond length is 1.73 Å. There are twelve 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(2) atom. In the third H site, H(3) is bonded in a distorted linear geometry to one O(1) and one O(5) atom. The H(3)-O(1) bond length is 1.01 Å. The H(3)-O(5) bond length is 1.59 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(4) and one O(1) atom. The H(4)-O(1) bond length is 1.02 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) 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(12) atom. In the tenth H site, H(10) is bonded in a distorted bent 150 degrees geometry to one O(1) and one O(7) atom. The H(10)-O(1) bond length is 1.61 Å. The H(10)-O(7) bond length is 1.03 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(14) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(15) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Zn(1), one H(10), one H(3), and one H(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Zn(1) and one C(9) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one C(9) and one H(3) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(13) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one C(13) and one H(10) atom. Linkers: 1 [O][C]c1ccc(C([O])=O)cc1 ,2 [O]C(=O)c1cncc(N2[CH]N=C[N]2)c1. Metal clusters: 1 O.O.O=[C]O[Zn]1O[C]O[Zn](O[C]=O)O[C]O1. The MOF has largest included sphere 2.78 A, density 1.82 g/cm3, surface area 3863.63 m2/g, accessible volume 0.09 cm3/g