ZnC18NH14O5 crystallizes in the orthorhombic Fddd space group. Zn(1) is bonded in a square pyramidal geometry to one N(1); two O(1,1); and two O(2,2) atoms. The Zn(1)-N(1) bond length is 2.10 Å. Both Zn(1)-O(1,1) bond lengths are 2.07 Å. Both Zn(1)-O(2,2) bond lengths are 2.06 Å. There are sixteen inequivalent C sites. In the first C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(9) atom. The C(4)-C(3) bond length is 1.50 Å. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(9) bond length is 1.40 Å. In the second C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(9) atom. The C(4)-C(3) bond length is 1.50 Å. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(9) bond length is 1.40 Å. In the third C site, C(5) is bonded in a distorted trigonal planar 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 fourth C site, C(5) is bonded in a distorted trigonal planar 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 fifth C site, C(6) is bonded in a 3-coordinate geometry to one C(5), one C(7), and one H(5) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(5) bond length is 1.09 Å. In the sixth C site, C(7) is bonded in a trigonal planar geometry to one C(10), one C(6), and one C(8) atom. The C(7)-C(10) bond length is 1.50 Å. The C(7)-C(8) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(10), one C(6), and one C(8) atom. The C(7)-C(10) bond length is 1.49 Å. The C(7)-C(6) bond length is 1.40 Å. The C(7)-C(8) bond length is 1.41 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(6) atom. The C(8)-C(9) bond length is 1.39 Å. The C(8)-H(6) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(4), one C(8), and one H(7) atom. The C(9)-H(7) bond length is 1.09 Å. In the tenth C site, C(9) is bonded in a distorted single-bond geometry to one C(4), one C(8), and one H(7) atom. The C(9)-C(8) bond length is 1.39 Å. The C(9)-H(7) bond length is 1.09 Å. In the eleventh C site, C(1) is bonded in a distorted trigonal non-coplanar geometry to one N(1) and two H(1,1) atoms. The C(1)-N(1) bond length is 1.49 Å. There is one shorter (1.09 Å) and one longer (1.10 Å) C(1)-H(1,1) bond length. In the twelfth C site, C(2) is bonded in a distorted trigonal non-coplanar geometry to one N(1) and two H(2,2,3,3) atoms. The C(2)-N(1) bond length is 1.49 Å. Both C(2)-H(2,2,3,3) bond lengths are 1.10 Å. In the thirteenth C site, C(2) is bonded in a distorted trigonal non-coplanar geometry to one N(1) and two H(2,2,3,3) atoms. The C(2)-N(1) bond length is 1.49 Å. Both C(2)-H(2,2,3,3) bond lengths are 1.10 Å. In the fourteenth C site, C(10) is bonded in a distorted trigonal planar geometry to two equivalent C(7) and one O(3) atom. The C(10)-O(3) bond length is 1.23 Å. In the fifteenth C site, C(3) is bonded in a bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(3)-O(1) bond length is 1.27 Å. The C(3)-O(2) bond length is 1.27 Å. In the sixteenth C site, C(3) is bonded in a bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(3)-O(1) bond length is 1.27 Å. The C(3)-O(2) bond length is 1.27 Å. N(1) is bonded in a tetrahedral geometry to one Zn(1); one C(1); and two C(2,2) atoms. There are eight inequivalent H sites. In the first H site, H(7) is bonded in a single-bond geometry to one C(9) atom. In the second H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(2,3) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(2,3) is bonded in a single-bond geometry to one C(2) atom. In the sixth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the seventh H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the eighth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(3) atom. In the second O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(3) atom. In the third O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(3) atom. In the fourth O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(3) atom. In the fifth O site, O(3) is bonded in a single-bond geometry to one C(10) atom. Linkers: 8 [O]C(=O)c1ccc(C(=O)c2ccc(C([O])=O)cc2)cc1 ,4 C1CN2CCN1CC2. Metal clusters: 4 [C]1O[Zn]234O[C]O[Zn]2(O1)(O[C]O3)O[C]O4. The MOF has largest included sphere 12.93 A, density 0.55 g/cm3, surface area 4628.68 m2/g, accessible volume 1.25 cm3/g