ZnC12H8(NO2)2 crystallizes in the monoclinic Cc space group. The structure consists of three ZnC12H8(NO2)2 frameworks. In one of the ZnC12H8(NO2)2 frameworks, Zn(3) is bonded in a tetrahedral geometry to one N(5), one N(6), one O(11), and one O(9) atom. The Zn(3)-N(5) bond length is 2.03 Å. The Zn(3)-N(6) bond length is 2.06 Å. The Zn(3)-O(11) bond length is 2.02 Å. The Zn(3)-O(9) bond length is 1.97 Å. There are twelve inequivalent C sites. In the first C site, C(25) is bonded in a trigonal planar geometry to one C(26), one C(27), and one C(28) atom. The C(25)-C(26) bond length is 1.40 Å. The C(25)-C(27) bond length is 1.50 Å. The C(25)-C(28) bond length is 1.40 Å. In the second C site, C(26) is bonded in a distorted single-bond geometry to one C(25), one C(29), and one H(17) atom. The C(26)-C(29) bond length is 1.39 Å. The C(26)-H(17) bond length is 1.09 Å. In the third C site, C(27) is bonded in a distorted bent 120 degrees geometry to one C(25), one O(10), and one O(9) atom. The C(27)-O(10) bond length is 1.25 Å. The C(27)-O(9) bond length is 1.30 Å. In the fourth C site, C(28) is bonded in a distorted single-bond geometry to one C(25), one C(30), and one H(18) atom. The C(28)-C(30) bond length is 1.39 Å. The C(28)-H(18) bond length is 1.09 Å. In the fifth C site, C(29) is bonded in a distorted trigonal planar geometry to one C(26), one N(5), and one H(19) atom. The C(29)-N(5) bond length is 1.35 Å. The C(29)-H(19) bond length is 1.09 Å. In the sixth C site, C(30) is bonded in a distorted trigonal planar geometry to one C(28), one N(5), and one H(20) atom. The C(30)-N(5) bond length is 1.35 Å. The C(30)-H(20) bond length is 1.09 Å. In the seventh C site, C(31) is bonded in a trigonal planar geometry to one C(32), one C(33), and one C(36) atom. The C(31)-C(32) bond length is 1.40 Å. The C(31)-C(33) bond length is 1.40 Å. The C(31)-C(36) bond length is 1.50 Å. In the eighth C site, C(32) is bonded in a distorted single-bond geometry to one C(31), one C(35), and one H(24) atom. The C(32)-C(35) bond length is 1.39 Å. The C(32)-H(24) bond length is 1.09 Å. In the ninth C site, C(33) is bonded in a distorted single-bond geometry to one C(31) and one H(21) atom. The C(33)-H(21) bond length is 1.09 Å. In the tenth C site, C(34) is bonded in a distorted bent 120 degrees geometry to one N(6) and one H(23) atom. The C(34)-N(6) bond length is 1.35 Å. The C(34)-H(23) bond length is 1.09 Å. In the eleventh C site, C(35) is bonded in a distorted trigonal planar geometry to one C(32), one N(6), and one H(22) atom. The C(35)-N(6) bond length is 1.35 Å. The C(35)-H(22) bond length is 1.09 Å. In the twelfth C site, C(36) is bonded in a distorted bent 120 degrees geometry to one C(31), one O(11), and one O(12) atom. The C(36)-O(11) bond length is 1.29 Å. The C(36)-O(12) bond length is 1.25 Å. There are two inequivalent N sites. In the first N site, N(5) is bonded in a trigonal planar geometry to one Zn(3), one C(29), and one C(30) atom. In the second N site, N(6) is bonded in a trigonal planar geometry to one Zn(3), one C(34), and one C(35) atom. There are eight inequivalent H sites. In the first H site, H(17) is bonded in a single-bond geometry to one C(26) atom. In the second H site, H(18) is bonded in a single-bond geometry to one C(28) atom. In the third H site, H(19) is bonded in a single-bond geometry to one C(29) atom. In the fourth H site, H(20) is bonded in a single-bond geometry to one C(30) atom. In the fifth H site, H(21) is bonded in a single-bond geometry to one C(33) atom. In the sixth H site, H(22) is bonded in a single-bond geometry to one C(35) atom. In the seventh H site, H(23) is bonded in a single-bond geometry to one C(34) atom. In the eighth H site, H(24) is bonded in a single-bond geometry to one C(32) atom. There are four inequivalent O sites. In the first O site, O(9) is bonded in a water-like geometry to one Zn(3) and one C(27) atom. In the second O site, O(10) is bonded in a single-bond geometry to one C(27) atom. In the third O site, O(11) is bonded in a water-like geometry to one Zn(3) and one C(36) atom. In the fourth O site, O(12) is bonded in a single-bond geometry to one C(36) atom. In two of the ZnC12H8(NO2)2 frameworks, Zn(1) is bonded in a tetrahedral geometry to one N(1), one N(2), one O(1), and one O(2) atom. The Zn(1)-N(1) bond length is 2.03 Å. The Zn(1)-N(2) bond length is 2.05 Å. The Zn(1)-O(1) bond length is 1.97 Å. The Zn(1)-O(2) bond length is 1.99 Å. There are twelve inequivalent C sites. In the first C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(2), and one H(7) atom. The C(11)-C(7) bond length is 1.39 Å. The C(11)-N(2) bond length is 1.35 Å. The C(11)-H(7) bond length is 1.09 Å. In the second C site, C(12) is bonded in a distorted trigonal planar geometry to one C(8), one N(2), and one H(8) atom. The C(12)-C(8) bond length is 1.39 Å. The C(12)-N(2) bond length is 1.35 Å. The C(12)-H(8) bond length is 1.09 Å. In the third C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(1), and one O(3) atom. The C(1)-C(3) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.30 Å. The C(1)-O(3) bond length is 1.25 Å. In the fourth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(2), and one O(4) atom. The C(2)-C(4) bond length is 1.51 Å. The C(2)-O(2) bond length is 1.30 Å. The C(2)-O(4) bond length is 1.25 Å. In the fifth C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(6) atom. The C(3)-C(5) bond length is 1.40 Å. The C(3)-C(6) bond length is 1.40 Å. In the sixth C site, C(4) is bonded in a trigonal planar geometry to one C(2), one C(7), and one C(8) atom. The C(4)-C(7) bond length is 1.40 Å. The C(4)-C(8) bond length is 1.40 Å. In the seventh C site, C(5) is bonded in a distorted single-bond geometry to one C(3), one C(9), and one H(1) atom. The C(5)-C(9) bond length is 1.39 Å. The C(5)-H(1) bond length is 1.09 Å. In the eighth C site, C(6) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(6)-H(2) bond length is 1.09 Å. In the ninth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(11), one C(4), and one H(3) atom. The C(7)-H(3) bond length is 1.09 Å. In the tenth C site, C(8) is bonded in a distorted single-bond geometry to one C(12), one C(4), and one H(4) atom. The C(8)-H(4) bond length is 1.09 Å. In the eleventh C site, C(9) is bonded in a distorted trigonal planar geometry to one C(5), one N(1), and one H(5) atom. The C(9)-N(1) bond length is 1.35 Å. The C(9)-H(5) bond length is 1.09 Å. In the twelfth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(6) atom. The C(10)-N(1) bond length is 1.35 Å. The C(10)-H(6) bond length is 1.09 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(10), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(11), and one C(12) atom. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(6) 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(9) 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(11) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(12) atom. There are four 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(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one Zn(1) and one C(2) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(2) atom. Linkers: 3 [O]C(=O)c1ccncc1 ,1 [O]C(=O)C1=C[CH]N([Zn](OC(=O)c2ccncc2)(OC(=O)c2ccncc2)N2[CH]C=C(C([O])=O)C=C2)C=C1. Metal clusters: 2 [Zn] ,1 O=[C]O[Zn]O[C]=O. The MOF has largest included sphere 4.75 A, density 1.46 g/cm3, surface area 4570.44 m2/g, accessible volume 0.29 cm3/g