Zn5C22H10(N3O7)2 crystallizes in the monoclinic C2/c space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one N(2), one N(3), one O(1), and one O(7) atom to form ZnN2O2 tetrahedra that share  a cornercorner with one Zn(2)NO4 square pyramid and  a cornercorner with one Zn(3)O4 tetrahedra. The Zn(1)-N(2) bond length is 2.00 Å. The Zn(1)-N(3) bond length is 1.99 Å. The Zn(1)-O(1) bond length is 1.95 Å. The Zn(1)-O(7) bond length is 2.01 Å. In the second Zn site, Zn(2) is bonded to one N(1), one O(3), one O(4), one O(6), and one O(7) atom to form distorted ZnNO4 square pyramids that share  a cornercorner with one Zn(1)N2O2 tetrahedra and  a cornercorner with one Zn(3)O4 tetrahedra. The Zn(2)-N(1) bond length is 2.15 Å. The Zn(2)-O(3) bond length is 2.20 Å. The Zn(2)-O(4) bond length is 2.14 Å. The Zn(2)-O(6) bond length is 2.00 Å. The Zn(2)-O(7) bond length is 2.15 Å. In the third Zn site, Zn(3) is bonded to two equivalent O(5) and two equivalent O(7) atoms to form ZnO4 tetrahedra that share corners with two equivalent Zn(2)NO4 square pyramids and corners with two equivalent Zn(1)N2O2 tetrahedra. Both Zn(3)-O(5) bond lengths are 1.94 Å. Both Zn(3)-O(7) bond lengths are 1.96 Å. There are eleven inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.49 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(3), and one H(1) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(8) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(8) 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(2) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(9) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-C(9) bond length is 1.51 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(3) atom. The C(6)-H(3) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.26 Å. The C(7)-O(2) bond length is 1.25 Å. In the eighth C site, C(8) is bonded in a bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.25 Å. The C(8)-O(4) bond length is 1.26 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(6) atom. The C(9)-O(5) bond length is 1.25 Å. The C(9)-O(6) bond length is 1.24 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(4) atom. The C(10)-N(2) bond length is 1.31 Å. The C(10)-N(3) bond length is 1.34 Å. The C(10)-H(4) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(5) atom. The C(11)-N(1) bond length is 1.30 Å. The C(11)-N(3) bond length is 1.35 Å. The C(11)-H(5) bond length is 0.93 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to one Zn(2), one C(11), 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 trigonal planar geometry to one Zn(1), one C(10), and one N(1) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Zn(1), one C(10), and one C(11) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. There are seven 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(7) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(7) atom. In the third O site, O(3) is bonded in an L-shaped geometry to one Zn(2) and one C(8) atom. In the fourth O site, O(4) is bonded in an L-shaped geometry to one Zn(2) and one C(8) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Zn(3) and one C(9) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(9) atom. In the seventh O site, O(7) is bonded in a trigonal non-coplanar geometry to one Zn(1), one Zn(2), and one Zn(3) atom. Linkers: 8 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1 ,2 C1=NC=N[N]1 ,6 C1=NN=C[N]1. Metal clusters: 4 O=[C]O[Zn]1/N=N\[Zn]2(O[C]O2)O[C]O[Zn]2(O[C]O[Zn]3(/N=N\[Zn](O[C]=O)O2)O[C]O3)O1. The MOF has largest included sphere 5.59 A, density 1.54 g/cm3, surface area 3186.79 m2/g, accessible volume 0.33 cm3/g