ZnC16H12(NO4)2 crystallizes in the monoclinic C2 space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a tetrahedral geometry to two equivalent O(1) and two equivalent O(8) atoms. Both Zn(1)-O(1) bond lengths are 1.97 Å. Both Zn(1)-O(8) bond lengths are 1.97 Å. In the second Zn site, Zn(2) is bonded in a tetrahedral geometry to two equivalent O(2) and two equivalent O(7) atoms. Both Zn(2)-O(2) bond lengths are 1.97 Å. Both Zn(2)-O(7) bond lengths are 1.97 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3,4); one O(1); and one O(3,4) atom. The C(1)-C(3,4) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.30 Å. The C(1)-O(3,4) bond length is 1.25 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(3,4); one O(2); and one O(3,4) atom. The C(2)-C(3,4) bond length is 1.51 Å. The C(2)-O(2) bond length is 1.30 Å. The C(2)-O(3,4) bond length is 1.25 Å. In the third C site, C(3,4) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(5) atom. The C(3,4)-C(11) bond length is 1.40 Å. The C(3,4)-C(5) bond length is 1.39 Å. In the fourth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3,4); one N(1,2); and one H(1,2) atom. The C(5)-N(1,2) bond length is 1.35 Å. The C(5)-H(1,2) bond length is 1.09 Å. In the fifth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(3,4); one N(1,2); and one H(1,2) atom. The C(6)-C(3,4) bond length is 1.39 Å. The C(6)-N(1,2) bond length is 1.35 Å. The C(6)-H(1,2) bond length is 1.09 Å. In the sixth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(15); one C(9,10); and one N(1,2) atom. The C(7)-C(15) bond length is 1.52 Å. The C(7)-C(9,10) bond length is 1.39 Å. The C(7)-N(1,2) bond length is 1.37 Å. In the seventh C site, C(8) is bonded in a distorted trigonal planar geometry to one C(16); one C(9,10); and one N(1,2) atom. The C(8)-C(16) bond length is 1.52 Å. The C(8)-C(9,10) bond length is 1.39 Å. The C(8)-N(1,2) bond length is 1.37 Å. In the eighth C site, C(9,10) is bonded in a distorted single-bond geometry to one C(7) and one H(3) atom. The C(9,10)-H(3) bond length is 1.09 Å. In the ninth C site, C(11) is bonded in a distorted single-bond geometry to one C(3,4) and one H(5,6) atom. The C(11)-H(5,6) bond length is 1.09 Å. In the tenth C site, C(12) is bonded in a distorted single-bond geometry to one C(3,4) and one H(5,6) atom. The C(12)-C(3,4) bond length is 1.40 Å. The C(12)-H(5,6) bond length is 1.09 Å. In the eleventh C site, C(13) is bonded in a tetrahedral geometry to one N(1,2); one H(11,12); one H(7,8); and one H(9,10) atom. The C(13)-N(1,2) bond length is 1.48 Å. The C(13)-H(11,12) bond length is 1.09 Å. The C(13)-H(7,8) bond length is 1.09 Å. The C(13)-H(9,10) bond length is 1.09 Å. In the twelfth C site, C(14) is bonded in a tetrahedral geometry to one N(1,2); one H(11,12); one H(7,8); and one H(9,10) atom. The C(14)-N(1,2) bond length is 1.48 Å. The C(14)-H(11,12) bond length is 1.09 Å. The C(14)-H(7,8) bond length is 1.09 Å. The C(14)-H(9,10) bond length is 1.09 Å. In the thirteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(5), and one O(7) atom. The C(15)-O(5) bond length is 1.25 Å. The C(15)-O(7) bond length is 1.28 Å. In the fourteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(6), and one O(8) atom. The C(16)-O(6) bond length is 1.25 Å. The C(16)-O(8) bond length is 1.28 Å. N(1,2) is bonded in a trigonal planar geometry to one C(13), one C(5), and one C(7) atom. There are seven inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(9,10) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(9,10) atom. The H(4)-C(9,10) bond length is 1.09 Å. In the fourth H site, H(5,6) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(7,8) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(9,10) is bonded in a single-bond geometry to one C(13) atom. In the seventh H site, H(11,12) is bonded in a single-bond geometry to one C(13) atom. There are seven inequivalent O sites. In the first O site, O(3,4) is bonded in a single-bond geometry to one C(1) atom. In the second O site, O(5) is bonded in a single-bond geometry to one C(15) atom. In the third O site, O(6) is bonded in a single-bond geometry to one C(16) atom. In the fourth O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(15) atom. In the fifth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(16) atom. In the sixth O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the seventh O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(2) atom. Linkers: 3 CN1C=C(C([O])=O)C=C[C]1C([O])=O ,1 CN1[CH]C(C([O])=O)=CC=C1C([O])=O. Metal clusters: 2 O=[C]O[Zn](O[C]=O)(O[C]=O)O[C]=O. RCSR code: dia. The MOF has largest included sphere 1.82 A, density 1.78 g/cm3, surface area 3978.64 m2/g, accessible volume 0.14 cm3/g