Zn3C30H20(N2O3)4 crystallizes in the monoclinic C2/c space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one N(1), one N(2), one O(3), one O(4), one O(5), and one O(6) atom to form corner-sharing ZnN2O4 octahedra. The corner-sharing octahedral tilt angles are 22°. The Zn(1)-N(1) bond length is 2.09 Å. The Zn(1)-N(2) bond length is 2.07 Å. The Zn(1)-O(3) bond length is 2.12 Å. The Zn(1)-O(4) bond length is 2.22 Å. The Zn(1)-O(5) bond length is 2.15 Å. The Zn(1)-O(6) bond length is 2.21 Å. In the second Zn site, Zn(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms to form distorted corner-sharing ZnO6 octahedra. The corner-sharing octahedral tilt angles are 22°. Both Zn(2)-O(1) bond lengths are 2.08 Å. Both Zn(2)-O(2) bond lengths are 2.04 Å. Both Zn(2)-O(6) bond lengths are 2.30 Å. There are sixteen inequivalent C sites. In the first C site, C(11) is bonded in a distorted trigonal planar geometry to one C(13), one C(8), and one H(10) atom. The C(11)-C(13) bond length is 1.39 Å. The C(11)-C(8) bond length is 1.40 Å. The C(11)-H(10) bond length is 1.09 Å. In the second C site, C(12) is bonded in a distorted bent 120 degrees geometry to two equivalent O(5) atoms. Both C(12)-O(5) bond lengths are 1.27 Å. In the third C site, C(13) is bonded in a distorted single-bond geometry to one C(11), one C(5), and one H(9) atom. The C(13)-C(5) bond length is 1.40 Å. The C(13)-H(9) bond length is 1.09 Å. In the fourth C site, C(14) is bonded in a distorted single-bond geometry to one C(8) and one H(2) atom. The C(14)-C(8) bond length is 1.40 Å. The C(14)-H(2) bond length is 1.09 Å. In the fifth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(1), one N(4), and one H(8) atom. The C(15)-C(1) bond length is 1.37 Å. The C(15)-N(4) bond length is 1.39 Å. The C(15)-H(8) bond length is 1.08 Å. In the sixth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(2), and one H(7) atom. The C(16)-C(3) bond length is 1.37 Å. The C(16)-N(2) bond length is 1.38 Å. The C(16)-H(7) bond length is 1.08 Å. In the seventh C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(15), one N(1), and one H(4) atom. The C(1)-N(1) bond length is 1.38 Å. The C(1)-H(4) bond length is 1.09 Å. In the eighth C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(4), and one H(5) atom. The C(2)-N(1) bond length is 1.33 Å. The C(2)-N(4) bond length is 1.36 Å. The C(2)-H(5) bond length is 1.08 Å. In the ninth C site, C(3) is bonded in a 3-coordinate geometry to one C(16), one N(3), and one H(1) atom. The C(3)-N(3) bond length is 1.39 Å. The C(3)-H(1) bond length is 1.09 Å. In the tenth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(3) atom. The C(4)-O(2) bond length is 1.27 Å. The C(4)-O(3) bond length is 1.26 Å. In the eleventh C site, C(5) is bonded in a distorted trigonal planar geometry to one C(10), one C(13), and one N(3) atom. The C(5)-C(10) bond length is 1.40 Å. The C(5)-N(3) bond length is 1.42 Å. In the twelfth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(4) atom. The C(6)-O(1) bond length is 1.27 Å. The C(6)-O(4) bond length is 1.26 Å. In the thirteenth C site, C(7) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(3) atom. The C(7)-N(2) bond length is 1.33 Å. The C(7)-N(3) bond length is 1.36 Å. The C(7)-H(3) bond length is 1.08 Å. In the fourteenth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(11), one C(14), and one N(4) atom. The C(8)-N(4) bond length is 1.42 Å. In the fifteenth C site, C(9) is bonded in a bent 120 degrees geometry to two equivalent O(6) atoms. Both C(9)-O(6) bond lengths are 1.27 Å. In the sixteenth C site, C(10) is bonded in a distorted single-bond geometry to one C(5) and one H(6) atom. The C(10)-H(6) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted 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 trigonal planar geometry to one Zn(1), one C(16), and one C(7) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(7) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(15), one C(2), and one C(8) atom. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(14) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(1) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(2) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(16) 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(13) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(11) atom. There are six inequivalent O sites. In the first O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(6) atom. In the second O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(12) atom. In the third O site, O(6) is bonded in a 3-coordinate geometry to one Zn(1), one Zn(2), and one C(9) atom. In the fourth O site, O(2) is bonded in a water-like geometry to one Zn(2) and one C(4) atom. In the fifth O site, O(1) is bonded in a water-like geometry to one Zn(2) and one C(6) atom. In the sixth O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(4) atom. Linkers: 6 [O]C(=O)C([O])=O. Metal clusters: 6 [Zn]. The MOF has largest included sphere 3.65 A, density 1.73 g/cm3, surface area 3938.86 m2/g, accessible volume 0.17 cm3/g