Zn3C12N5H8O9N(CH3)2 crystallizes in the monoclinic P2_1/c space group. The structure consists of four dimethylazanium molecules inside a Zn3C12N5H8O9 framework. In the Zn3C12N5H8O9 framework, there are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one N(1), one N(6), one O(1), one O(2), and one O(9) atom to form distorted corner-sharing ZnN2O3 trigonal bipyramids. The Zn(1)-N(1) bond length is 1.96 Å. The Zn(1)-N(6) bond length is 1.97 Å. The Zn(1)-O(1) bond length is 1.94 Å. The Zn(1)-O(2) bond length is 2.25 Å. The Zn(1)-O(9) bond length is 2.23 Å. In the second Zn site, Zn(2) is bonded to one N(2), one O(1), one O(3), one O(6), and one O(8) atom to form distorted corner-sharing ZnNO4 trigonal bipyramids. The Zn(2)-N(2) bond length is 2.00 Å. The Zn(2)-O(1) bond length is 1.94 Å. The Zn(2)-O(3) bond length is 2.05 Å. The Zn(2)-O(6) bond length is 1.99 Å. The Zn(2)-O(8) bond length is 2.25 Å. In the third Zn site, Zn(3) is bonded in a trigonal bipyramidal geometry to one N(3), one N(4), one O(4), one O(5), and one O(7) atom. The Zn(3)-N(3) bond length is 1.99 Å. The Zn(3)-N(4) bond length is 2.05 Å. The Zn(3)-O(4) bond length is 2.18 Å. The Zn(3)-O(5) bond length is 1.97 Å. The Zn(3)-O(7) bond length is 2.06 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(4), one C(8), and one N(1) atom. The C(1)-C(4) bond length is 1.40 Å. The C(1)-C(8) bond length is 1.48 Å. The C(1)-N(1) bond length is 1.37 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(2) atom. The C(2)-N(1) bond length is 1.34 Å. The C(2)-N(3) bond length is 1.32 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(3)-C(4) bond length is 1.48 Å. The C(3)-O(3) bond length is 1.25 Å. The C(3)-O(4) bond length is 1.25 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one N(3) atom. The C(4)-N(3) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a bent 120 degrees geometry to one C(6), one O(7), and one O(8) atom. The C(5)-C(6) bond length is 1.49 Å. The C(5)-O(7) bond length is 1.25 Å. The C(5)-O(8) bond length is 1.26 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(14), one C(5), and one N(2) atom. The C(6)-C(14) bond length is 1.38 Å. The C(6)-N(2) bond length is 1.36 Å. In the seventh C site, C(7) is bonded in a 3-coordinate geometry to one N(4) and two equivalent H(4,5) atoms. The C(7)-N(4) bond length is 1.47 Å. Both C(7)-H(4,5) bond lengths are 0.97 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(2), and one O(6) atom. The C(8)-O(2) bond length is 1.24 Å. The C(8)-O(6) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one N(2), one N(6), and one H(6) atom. The C(9)-N(2) bond length is 1.32 Å. The C(9)-N(6) bond length is 1.33 Å. The C(9)-H(6) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a 3-coordinate geometry to one N(4) and two equivalent H(7,8) atoms. The C(10)-N(4) bond length is 1.49 Å. Both C(10)-H(7,8) bond lengths are 0.97 Å. In the eleventh C site, C(13) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(9) atom. The C(13)-O(5) bond length is 1.26 Å. The C(13)-O(9) bond length is 1.23 Å. In the twelfth C site, C(14) is bonded in a distorted single-bond geometry to one C(6) and one N(6) atom. The C(14)-N(6) bond length is 1.36 Å. There are five inequivalent N sites. In the first N site, N(6) is bonded in a trigonal planar geometry to one Zn(1), one C(14), and one C(9) atom. In the second N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(2) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one Zn(2), one C(6), and one C(9) atom. In the fourth N site, N(3) is bonded in a trigonal planar geometry to one Zn(3), one C(2), and one C(4) atom. In the fifth N site, N(4) is bonded in a distorted single-bond geometry to one Zn(3), one C(10), one C(7), and one H(3) atom. The N(4)-H(3) bond length is 0.91 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.86 Å. 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 N(4) atom. In the fourth H site, H(4,5) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(7,8) is bonded in a single-bond geometry to one C(10) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one Zn(2), and one H(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(8) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(3) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Zn(3) and one C(3) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Zn(3) and one C(13) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(8) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one C(5) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(5) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(13) atom. Linkers: 7 [O]C(=O)[C]1N=CN=C1C([O])=O ,1 [O]C(=O)C1=C(C([O])=O)N=C[N]1. Metal clusters: 12 [Zn]. The MOF has largest included sphere 6.74 A, density 1.45 g/cm3, surface area 3378.66 m2/g, accessible volume 0.32 cm3/g