Zn4C32H19(N5O6)3 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 5-coordinate geometry to one N(1), one N(2), one N(6), one O(1), and one O(2) atom. The Zn(1)-N(1) bond length is 2.00 Å. The Zn(1)-N(2) bond length is 2.05 Å. The Zn(1)-N(6) bond length is 2.02 Å. The Zn(1)-O(1) bond length is 2.02 Å. The Zn(1)-O(2) bond length is 2.48 Å. In the second Zn site, Zn(2) is bonded in a tetrahedral geometry to one N(3), one N(4), one N(5), and one O(7) atom. The Zn(2)-N(3) bond length is 2.02 Å. The Zn(2)-N(4) bond length is 1.98 Å. The Zn(2)-N(5) bond length is 2.00 Å. The Zn(2)-O(7) bond length is 1.97 Å. There are seventeen inequivalent C sites. In the first C site, C(10) is bonded in a distorted single-bond geometry to one C(5), one C(9), and one H(7) atom. The C(10)-C(5) bond length is 1.40 Å. The C(10)-C(9) bond length is 1.40 Å. The C(10)-H(7) bond length is 1.09 Å. In the second C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(2) atom. The C(11)-C(5) bond length is 1.50 Å. The C(11)-O(1) bond length is 1.29 Å. The C(11)-O(2) bond length is 1.26 Å. In the third C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(3), and one O(4) atom. The C(12)-C(7) bond length is 1.49 Å. The C(12)-O(3) bond length is 1.33 Å. The C(12)-O(4) bond length is 1.24 Å. In the fourth C site, C(13) is bonded in a trigonal planar geometry to one C(14), one C(16), and one C(17) atom. The C(13)-C(14) bond length is 1.40 Å. The C(13)-C(16) bond length is 1.40 Å. The C(13)-C(17) bond length is 1.50 Å. In the fifth C site, C(14) is bonded in a distorted single-bond geometry to two equivalent C(13) and one H(8) atom. The C(14)-H(8) bond length is 1.09 Å. In the sixth C site, C(15) is bonded in a distorted trigonal planar geometry to two equivalent C(16) and one N(8) atom. Both C(15)-C(16) bond lengths are 1.39 Å. The C(15)-N(8) bond length is 1.47 Å. In the seventh C site, C(16) is bonded in a distorted single-bond geometry to one C(13), one C(15), and one H(9) atom. The C(16)-H(9) bond length is 1.09 Å. In the eighth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(7), and one O(8) atom. The C(17)-O(7) bond length is 1.29 Å. The C(17)-O(8) bond length is 1.26 Å. In the ninth C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(1) atom. The C(1)-N(1) bond length is 1.33 Å. The C(1)-N(3) bond length is 1.36 Å. The C(1)-H(1) bond length is 1.09 Å. In the tenth C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(2) atom. The C(2)-N(2) bond length is 1.33 Å. The C(2)-N(3) bond length is 1.35 Å. The C(2)-H(2) bond length is 1.09 Å. In the eleventh C site, C(3) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(3) atom. The C(3)-N(4) bond length is 1.33 Å. The C(3)-N(6) bond length is 1.35 Å. The C(3)-H(3) bond length is 1.08 Å. In the twelfth C site, C(4) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(4) atom. The C(4)-N(5) bond length is 1.33 Å. The C(4)-N(6) bond length is 1.35 Å. The C(4)-H(4) bond length is 1.08 Å. In the thirteenth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(6) atom. The C(5)-C(6) bond length is 1.40 Å. In the fourteenth C site, C(6) is bonded in a distorted single-bond 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 fifteenth C site, C(7) is bonded in a trigonal planar geometry to one C(12), one C(6), and one C(8) atom. The C(7)-C(8) bond length is 1.40 Å. In the sixteenth C site, C(8) is bonded in a distorted single-bond 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 seventeenth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one N(7) atom. The C(9)-N(7) bond length is 1.48 Å. There are eight 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 N(2) atom. The N(1)-N(2) bond length is 1.37 Å. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one Zn(1), one C(2), and one N(1) atom. In the third N site, N(8) is bonded in a trigonal planar geometry to one C(15) and two equivalent O(9) atoms. Both N(8)-O(9) bond lengths are 1.24 Å. In the fourth N site, N(3) is bonded in a trigonal planar geometry to one Zn(2), one C(1), and one C(2) atom. In the fifth N site, N(4) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(3), and one N(5) atom. The N(4)-N(5) bond length is 1.37 Å. In the sixth N site, N(5) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(4), and one N(4) atom. In the seventh N site, N(6) is bonded in a trigonal planar geometry to one Zn(1), one C(3), and one C(4) atom. In the eighth N site, N(7) is bonded in a trigonal planar geometry to one C(9) and two equivalent O(5,6) atoms. Both N(7)-O(5,6) bond lengths are 1.24 Å. There are ten 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 single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) 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(14) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(16) atom. In the tenth H site, H(10) is bonded in a linear geometry to one O(3) and one O(8) atom. The H(10)-O(3) bond length is 1.03 Å. The H(10)-O(8) bond length is 1.54 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Zn(1) and one C(11) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Zn(1) and one C(11) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one C(12) and one H(10) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(12) atom. In the fifth O site, O(5,6) is bonded in a single-bond geometry to one N(7) atom. In the sixth O site, O(7) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(17) atom. In the seventh O site, O(8) is bonded in a distorted bent 150 degrees geometry to one C(17) and one H(10) atom. In the eighth O site, O(9) is bonded in a single-bond geometry to one N(8) atom. Linkers: 2 [O]C(=O)c1cc(C([O])=O)cc([N+](=O)[O-])c1 ,7 C1=NN=C[N]1 ,1 C1=NC=N[N]1. Metal clusters: 4 [Zn] ,2 O=[C]O[Zn]1=NN=[Zn](O[C]=O)N=N1. The MOF has largest included sphere 3.52 A, density 1.69 g/cm3, surface area 3993.56 m2/g, accessible volume 0.18 cm3/g