Zn4C9N16H13SO7 crystallizes in the monoclinic C2/m space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in an octahedral geometry to two equivalent N(1), two equivalent N(5), and two equivalent O(4) atoms. Both Zn(1)-N(1) bond lengths are 2.10 Å. Both Zn(1)-N(5) bond lengths are 2.17 Å. Both Zn(1)-O(4) bond lengths are 2.17 Å. In the second Zn site, Zn(2) is bonded in a tetrahedral geometry to two equivalent N(2) and two equivalent N(6) atoms. Both Zn(2)-N(2) bond lengths are 2.02 Å. Both Zn(2)-N(6) bond lengths are 1.97 Å. In the third Zn site, Zn(3) is bonded to one N(3), one N(7), one O(1), and one O(5) atom to form ZnN2O2 tetrahedra that share  a cornercorner with one Zn(3)N2O2 tetrahedra and  a cornercorner with one S(1)O4 tetrahedra. The Zn(3)-N(3) bond length is 1.98 Å. The Zn(3)-N(7) bond length is 1.99 Å. The Zn(3)-O(1) bond length is 2.01 Å. The Zn(3)-O(5) bond length is 1.93 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(5) atom. The C(1)-N(1) bond length is 1.32 Å. The C(1)-N(3) bond length is 1.36 Å. The C(1)-H(5) bond length is 1.08 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(4) atom. The C(2)-N(2) bond length is 1.35 Å. The C(2)-N(3) bond length is 1.36 Å. The C(2)-N(4) bond length is 1.36 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(5), one N(7), and one H(6) atom. The C(3)-N(5) bond length is 1.32 Å. The C(3)-N(7) bond length is 1.36 Å. The C(3)-H(6) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one N(6), one N(7), and one N(8) atom. The C(4)-N(6) bond length is 1.35 Å. The C(4)-N(7) bond length is 1.37 Å. The C(4)-N(8) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to two equivalent O(4) atoms. Both C(5)-O(4) bond lengths are 1.27 Å. There are eight inequivalent N sites. In the first N site, N(6) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(4), and one N(5) atom. The N(6)-N(5) bond length is 1.39 Å. In the second N site, N(7) is bonded in a trigonal planar geometry to one Zn(3), one C(3), and one C(4) atom. In the third N site, N(8) is bonded in a distorted trigonal non-coplanar geometry to one C(4), one H(3), and one H(4) atom. The N(8)-H(3) bond length is 1.02 Å. The N(8)-H(4) bond length is 1.03 Å. In the fourth N site, N(1) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(1), and one N(2) atom. The N(1)-N(2) bond length is 1.38 Å. In the fifth N site, N(2) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(2), and one N(1) atom. In the sixth N site, N(3) is bonded in a trigonal planar geometry to one Zn(3), one C(1), and one C(2) atom. In the seventh N site, N(4) is bonded in a distorted trigonal planar geometry to one C(2), one H(1), and one H(2) atom. The N(4)-H(1) bond length is 1.02 Å. The N(4)-H(2) bond length is 1.02 Å. In the eighth N site, N(5) is bonded in a distorted trigonal planar geometry to one Zn(1), one C(3), and one N(6) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(3) atom. In the seventh H site, H(7) is bonded in a distorted single-bond geometry to one O(2) and one O(5) atom. The H(7)-O(2) bond length is 1.69 Å. The H(7)-O(5) bond length is 0.99 Å. S(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form SO4 tetrahedra that share corners with two equivalent Zn(3)N2O2 tetrahedra. The S(1)-O(2) bond length is 1.50 Å. The S(1)-O(3) bond length is 1.47 Å. Both S(1)-O(1) bond lengths are 1.51 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(3) and one S(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one H(7) and one S(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one S(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to two equivalent Zn(3) and one H(7) atom. Linkers: 3 NC1=[N]=CN=N1 ,1 NC1=NC=N[N]1 ,4 NC1=NN=C[N]1 ,1 [O]C(=O)C([O])=O. Metal clusters: 4 [Zn] ,2 [O]S([O])(O[Zn])O[Zn]O. The MOF has largest included sphere 3.80 A, density 2.04 g/cm3, surface area 3150.83 m2/g, accessible volume 0.16 cm3/g