CH3ZnC5N7H4SO2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure consists of four 02329_fluka molecules inside a ZnC5N7H4SO2 framework. In the ZnC5N7H4SO2 framework, Zn(1) is bonded in a tetrahedral geometry to one N(2), one N(3), one N(4), and one N(5) atom. The Zn(1)-N(2) bond length is 1.99 Å. The Zn(1)-N(3) bond length is 2.03 Å. The Zn(1)-N(4) bond length is 2.02 Å. The Zn(1)-N(5) bond length is 2.00 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(5), and one H(1) atom. The C(1)-C(4) bond length is 1.39 Å. The C(1)-N(5) bond length is 1.36 Å. The C(1)-H(1) bond length is 1.08 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(5) atom. The C(2)-N(1) bond length is 1.42 Å. The C(2)-N(2) bond length is 1.35 Å. The C(2)-N(5) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted water-like geometry to one N(4), one N(6), and one S(1) atom. The C(3)-N(4) bond length is 1.36 Å. The C(3)-N(6) bond length is 1.34 Å. The C(3)-S(1) bond length is 1.73 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(1), one N(2), and one H(2) atom. The C(4)-N(2) bond length is 1.37 Å. The C(4)-H(2) bond length is 1.08 Å. In the fifth C site, C(5) is bonded in a distorted water-like geometry to one H(3), one H(4), and one S(1) atom. The C(5)-H(3) bond length is 1.10 Å. The C(5)-H(4) bond length is 1.10 Å. The C(5)-S(1) bond length is 1.82 Å. There are seven inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(2), one O(1), and one O(2) atom. The N(1)-O(1) bond length is 1.25 Å. The N(1)-O(2) bond length is 1.25 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(2), and one C(4) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Zn(1), one N(6), and one N(7) atom. The N(3)-N(6) bond length is 1.35 Å. The N(3)-N(7) bond length is 1.31 Å. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one Zn(1), one C(3), and one N(7) atom. The N(4)-N(7) bond length is 1.34 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(2) atom. In the sixth N site, N(6) is bonded in a distorted water-like geometry to one C(3) and one N(3) atom. In the seventh N site, N(7) is bonded in a water-like geometry to one N(3) and one N(4) atom. There are four 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 C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. S(1) is bonded in a water-like geometry to one C(3) and one C(5) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one N(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one N(1) atom. Linkers: 1 O=[N+]([O-])C1=NC=C[N]1 ,4 CCSC1=NN=N[N]1 ,3 O=[N+]([O-])C1=N[CH]C=N1. Metal clusters: 4 [Zn]. The MOF has largest included sphere 2.25 A, density 1.80 g/cm3, surface area 4297.00 m2/g, accessible volume 0.13 cm3/g