Zn3C10H6(N2O5)2 crystallizes in the monoclinic P2_1/c space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 5-coordinate geometry to one N(1), one O(1), one O(5), one O(6), and one O(7) atom. The Zn(1)-N(1) bond length is 1.98 Å. The Zn(1)-O(1) bond length is 1.99 Å. The Zn(1)-O(5) bond length is 1.93 Å. The Zn(1)-O(6) bond length is 2.35 Å. The Zn(1)-O(7) bond length is 2.21 Å. In the second Zn site, Zn(2) is bonded in a distorted trigonal bipyramidal geometry to one N(2), one O(2), one O(4), one O(8), and one O(9) atom. The Zn(2)-N(2) bond length is 2.02 Å. The Zn(2)-O(2) bond length is 2.27 Å. The Zn(2)-O(4) bond length is 2.03 Å. The Zn(2)-O(8) bond length is 2.02 Å. The Zn(2)-O(9) bond length is 2.00 Å. In the third Zn site, Zn(3) is bonded in a trigonal bipyramidal geometry to one N(3), one N(4), one O(10), one O(3), and one O(6) atom. The Zn(3)-N(3) bond length is 1.98 Å. The Zn(3)-N(4) bond length is 1.98 Å. The Zn(3)-O(10) bond length is 2.11 Å. The Zn(3)-O(3) bond length is 2.15 Å. The Zn(3)-O(6) bond length is 2.18 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(4), and one H(1) atom. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(4) bond length is 1.34 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(1), and one O(2) atom. The C(2)-C(6) bond length is 1.48 Å. The C(2)-O(1) bond length is 1.27 Å. The C(2)-O(2) bond length is 1.27 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(4) atom. The C(3)-N(2) bond length is 1.34 Å. The C(3)-N(3) bond length is 1.34 Å. The C(3)-H(4) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(6) and one N(3) atom. The C(4)-C(6) bond length is 1.40 Å. The C(4)-N(3) bond length is 1.38 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(5) atom. The C(5)-O(3) bond length is 1.27 Å. The C(5)-O(5) bond length is 1.28 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one N(2) atom. The C(6)-N(2) bond length is 1.38 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(10), one C(9), and one N(4) atom. The C(7)-C(10) bond length is 1.48 Å. The C(7)-C(9) bond length is 1.40 Å. The C(7)-N(4) bond length is 1.38 Å. In the eighth C site, C(8) is bonded in a bent 120 degrees geometry to one C(9), one O(7), and one O(8) atom. The C(8)-C(9) bond length is 1.49 Å. The C(8)-O(7) bond length is 1.28 Å. The C(8)-O(8) bond length is 1.26 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(7), one C(8), and one N(1) atom. The C(9)-N(1) bond length is 1.38 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(10), and one O(9) atom. The C(10)-O(10) bond length is 1.28 Å. The C(10)-O(9) bond length is 1.27 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(2), one C(3), and one C(6) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Zn(3), one C(3), and one C(4) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Zn(3), one C(1), and one C(7) atom. There are six 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 O(6) atom. The H(2)-O(6) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(6) and one O(7) atom. The H(3)-O(6) bond length is 1.00 Å. The H(3)-O(7) bond length is 1.74 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a distorted linear geometry to one O(2) and one O(4) atom. The H(5)-O(2) bond length is 1.61 Å. The H(5)-O(4) bond length is 1.01 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(4) atom. The H(6)-O(4) bond length is 0.98 Å. There are ten inequivalent O sites. In the first O site, O(10) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(10) atom. In the second O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(2) atom. In the third O site, O(2) is bonded in a trigonal planar geometry to one Zn(2), one C(2), and one H(5) atom. In the fourth O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(5) atom. In the fifth O site, O(4) is bonded in a trigonal non-coplanar geometry to one Zn(2), one H(5), and one H(6) atom. In the sixth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(5) atom. In the seventh O site, O(6) is bonded in a distorted water-like geometry to one Zn(1), one Zn(3), one H(2), and one H(3) atom. In the eighth O site, O(7) is bonded in a 3-coordinate geometry to one Zn(1), one C(8), and one H(3) atom. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(8) atom. In the tenth O site, O(9) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(10) atom. Linkers: 3 [O]C(=O)[C]1N=CN=C1C([O])=O ,5 [O]C(=O)C1=C(C([O])=O)N=C[N]1. Metal clusters: 12 [Zn]. The MOF has largest included sphere 5.97 A, density 1.34 g/cm3, surface area 3214.59 m2/g, accessible volume 0.40 cm3/g