Zn3C28H18(NO7)2 crystallizes in the monoclinic C2/c space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted tetrahedral geometry to one N(1), one O(1), one O(3), and one O(7) atom. The Zn(1)-N(1) bond length is 2.00 Å. The Zn(1)-O(1) bond length is 1.97 Å. The Zn(1)-O(3) bond length is 1.91 Å. The Zn(1)-O(7) bond length is 2.03 Å. In the second Zn site, Zn(2) is bonded in a tetrahedral geometry to two equivalent O(2) and two equivalent O(5) atoms. Both Zn(2)-O(2) bond lengths are 1.98 Å. Both Zn(2)-O(5) bond lengths are 1.95 Å. There are fourteen inequivalent C sites. In the first C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(13) atom. The C(12)-C(11) bond length is 1.40 Å. The C(12)-C(12) bond length is 1.47 Å. The C(12)-C(13) bond length is 1.40 Å. In the second C site, C(13) is bonded in a distorted single-bond geometry to one C(12), one C(14), and one H(6) atom. The C(13)-C(14) bond length is 1.39 Å. The C(13)-H(6) bond length is 1.09 Å. In the third C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13), one N(1), and one H(7) atom. The C(14)-N(1) bond length is 1.34 Å. The C(14)-H(7) bond length is 1.09 Å. In the fourth C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) 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)-C(7) bond length is 1.49 Å. In the fifth C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.39 Å. The C(2)-H(1) bond length is 1.09 Å. In the sixth C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-C(8) bond length is 1.49 Å. In the seventh C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(2) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(2) bond length is 1.09 Å. In the eighth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(9) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(9) bond length is 1.51 Å. In the ninth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 1.09 Å. In the tenth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(2) bond length is 1.27 Å. In the eleventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.30 Å. The C(8)-O(4) bond length is 1.26 Å. In the twelfth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(6) atom. The C(9)-O(5) bond length is 1.29 Å. The C(9)-O(6) bond length is 1.26 Å. In the thirteenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one N(1), and one H(4) atom. The C(10)-C(11) bond length is 1.38 Å. The C(10)-N(1) bond length is 1.35 Å. The C(10)-H(4) bond length is 1.09 Å. In the fourteenth C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(5) atom. The C(11)-H(5) bond length is 1.09 Å. N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(10), and one C(14) atom. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) 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(13) 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 distorted linear geometry to one O(6) and one O(7) atom. The H(8)-O(6) bond length is 1.65 Å. The H(8)-O(7) bond length is 1.01 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(7) atom. The H(9)-O(7) bond length is 0.99 Å. There are seven 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(7) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Zn(2) 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(8) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one C(8) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(9) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one C(9) and one H(8) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one H(8), and one H(9) atom. Linkers: 2 c1cc(-c2ccncc2)ccn1 ,3 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1 ,1 [O][C]c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 2 O.O.O=[C]O[Zn]O[C]O[Zn](O[C]O[Zn]O[C]=O)(O[C]=O)O[C]=O. The MOF has largest included sphere 2.26 A, density 1.85 g/cm3, surface area 3868.14 m2/g, accessible volume 0.11 cm3/g