Zn3C34H22(N5O6)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 tetrahedral geometry to one N(1), one N(2), one O(4), and one O(6) atom. The Zn(1)-N(1) bond length is 1.95 Å. The Zn(1)-N(2) bond length is 1.98 Å. The Zn(1)-O(4) bond length is 1.92 Å. The Zn(1)-O(6) bond length is 1.92 Å. In the second Zn site, Zn(2) is bonded in a tetrahedral geometry to two equivalent N(3) and two equivalent O(1) atoms. Both Zn(2)-N(3) bond lengths are 1.99 Å. Both Zn(2)-O(1) bond lengths are 1.93 Å. There are seventeen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(3), and one N(4) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-N(3) bond length is 1.37 Å. The C(1)-N(4) bond length is 1.34 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(5) atom. The C(2)-N(2) bond length is 1.32 Å. The C(2)-N(3) bond length is 1.35 Å. The C(2)-N(5) bond length is 1.38 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(4), one C(8), and one C(9) atom. The C(3)-C(4) bond length is 1.38 Å. The C(3)-C(8) bond length is 1.37 Å. The C(3)-C(9) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one H(1) atom. The C(4)-C(5) bond length is 1.37 Å. The C(4)-H(1) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one H(2) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-H(2) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(10), one C(5), and one C(7) atom. The C(6)-C(10) bond length is 1.50 Å. The C(6)-C(7) bond length is 1.35 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(3) atom. The C(7)-H(3) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(3) and one H(4) atom. The C(8)-H(4) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a bent 120 degrees geometry to one C(3), one O(1), and one O(2) atom. The C(9)-O(1) bond length is 1.26 Å. The C(9)-O(2) bond length is 1.22 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(15), and one C(6) atom. The C(10)-C(11) bond length is 1.39 Å. The C(10)-C(15) bond length is 1.37 Å. In the eleventh 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)-C(12) bond length is 1.39 Å. The C(11)-H(5) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(16) atom. The C(12)-C(13) bond length is 1.41 Å. The C(12)-C(16) bond length is 1.49 Å. In the thirteenth 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 1.36 Å. The C(13)-H(6) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(17) atom. The C(14)-C(15) bond length is 1.41 Å. The C(14)-C(17) bond length is 1.52 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(10), one C(14), and one H(7) atom. The C(15)-H(7) bond length is 0.93 Å. In the sixteenth C site, C(16) is bonded in a bent 120 degrees geometry to one C(12), one O(3), and one O(4) atom. The C(16)-O(3) bond length is 1.21 Å. The C(16)-O(4) bond length is 1.25 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(5), and one O(6) atom. The C(17)-O(5) bond length is 1.23 Å. The C(17)-O(6) bond length is 1.25 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded in a 2-coordinate geometry to one Zn(1) and one C(1) atom. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(2) atom. In the third 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 fourth N site, N(4) is bonded in a trigonal planar geometry to one C(1) and two equivalent H(8,9) atoms. Both N(4)-H(8,9) bond lengths are 0.86 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(2) and two equivalent H(10,11) atoms. Both N(5)-H(10,11) bond lengths are 0.86 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) 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(8) 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(15) atom. In the eighth H site, H(8,9) is bonded in a single-bond geometry to one N(4) atom. In the ninth H site, H(10,11) is bonded in a single-bond geometry to one N(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(9) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(9) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(16) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(16) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(17) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(17) atom. Linkers: 1 NC1=[N]=C(N=N1)N ,1 NC1=NC(N)=N[N]1 ,2 Nc1nnc(N)n1[Zn](OC(=O)c1ccc(-c2cc(C([O])=O)cc(C([O])=O)c2)cc1)(OC(=O)c1ccc(-c2cc(C([O])=O)cc(C([O])=O)c2)cc1)n1c(N)nnc1N ,4 [O]C(=O)c1ccc(-c2cc(C([O])=O)cc(C([O])=O)c2)cc1. Metal clusters: 6 [Zn] ,2 O=[C]O[Zn]1(O[C]=O)N=N[Zn](O[C]=O)(O[C]=O)N=N1. The MOF has largest included sphere 10.05 A, density 0.73 g/cm3, surface area 4319.23 m2/g, accessible volume 0.99 cm3/g