Zn2C17P2H17(NO2)4C9H5 crystallizes in the orthorhombic Pnnm space group. The structure consists of two C9H5 clusters inside a Zn2C17P2H17(NO2)4 framework. In each C9H5 cluster, there are five inequivalent C sites. In the first C site, C(13) is bonded in a single-bond geometry to two equivalent C(6) and one H(11) atom. Both C(13)-C(6) bond lengths are 1.39 Å. The C(13)-H(11) bond length is 0.88 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(3) and one H(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(1) bond length is 0.96 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(6) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(6) bond length is 1.49 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(2) atom. The C(4)-H(2) bond length is 1.02 Å. In the fifth C site, C(6) is bonded in a trigonal planar geometry to one C(13), one C(3), and one C(6) atom. The C(6)-C(6) bond length is 1.41 Å. There are three inequivalent H sites. In the first H site, H(11) is bonded in a single-bond geometry to one C(13) atom. In the second H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(2) is bonded in a single-bond geometry to one C(4) atom. In the Zn2C17P2H17(NO2)4 framework, Zn(1) is bonded to one N(1), one N(2), one O(1), and one O(4) atom to form ZnN2O2 tetrahedra that share corners with two equivalent P(1)O4 tetrahedra. The Zn(1)-N(1) bond length is 2.02 Å. The Zn(1)-N(2) bond length is 2.02 Å. The Zn(1)-O(1) bond length is 1.91 Å. The Zn(1)-O(4) bond length is 1.90 Å. There are nine inequivalent C sites. In the first C site, C(14) is bonded in a distorted single-bond geometry to two equivalent C(12) and one H(12) atom. Both C(14)-C(12) bond lengths are 1.39 Å. The C(14)-H(12) bond length is 0.95 Å. In the second C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(4) bond length is 0.94 Å. In the third C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(3) atom. The C(5)-N(1) bond length is 1.35 Å. The C(5)-H(3) bond length is 0.98 Å. In the fourth C site, C(7) is bonded in a distorted water-like geometry to one C(8), one N(2), and one H(5) atom. The C(7)-C(8) bond length is 1.37 Å. The C(7)-N(2) bond length is 1.33 Å. The C(7)-H(5) bond length is 1.01 Å. In the fifth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(6) atom. The C(8)-C(9) bond length is 1.37 Å. The C(8)-H(6) bond length is 0.99 Å. In the sixth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(8) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-C(12) bond length is 1.49 Å. In the seventh C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(7) atom. The C(10)-H(7) bond length is 0.98 Å. In the eighth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(8) atom. The C(11)-N(2) bond length is 1.34 Å. The C(11)-H(8) bond length is 0.92 Å. In the ninth C site, C(12) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(9) atom. The C(12)-C(12) bond length is 1.40 Å. P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Zn(1)N2O2 tetrahedra. The P(1)-O(1) bond length is 1.50 Å. The P(1)-O(2) bond length is 1.56 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.50 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(1), and one C(5) 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(7) atom. There are nine inequivalent H sites. In the first H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(4) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one O(2) atom. The H(9)-O(2) bond length is 0.87 Å. In the eighth H site, H(10) is bonded in a single-bond geometry to one O(3) atom. The H(10)-O(3) bond length is 0.96 Å. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(14) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Zn(1) and one P(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one P(1) and one H(9) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one P(1) and one H(10) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one P(1) atom. Linkers: 4 c1cc(-c2cc(-c3ccncc3)c(-c3ccncc3)cc2-c2ccncc2)ccn1. Metal clusters: 8 [Zn]. The MOF has largest included sphere 6.00 A, density 1.20 g/cm3, surface area 4451.64 m2/g, accessible volume 0.37 cm3/g