CoZnC9NH3O10 crystallizes in the cubic P2_13 space group. Co(1) is bonded in a distorted T-shaped geometry to three equivalent O(1) atoms. All Co(1)-O(1) bond lengths are 2.06 Å. Zn(1) is bonded in a 7-coordinate geometry to one N(1), three equivalent O(2), and three equivalent O(3) atoms. The Zn(1)-N(1) bond length is 1.99 Å. All Zn(1)-O(2) bond lengths are 1.94 Å. All Zn(1)-O(3) bond lengths are 2.01 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.52 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1) and two equivalent C(3) atoms. There is one shorter (1.36 Å) and one longer (1.41 Å) C(2)-C(3) bond length. In the third C site, C(3) is bonded in a distorted single-bond geometry to two equivalent C(2) and one H(1) atom. The C(3)-H(1) bond length is 0.95 Å. N(1) is bonded in a distorted tetrahedral geometry to one Zn(1), one O(4), and three equivalent O(3) atoms. The N(1)-O(4) bond length is 1.44 Å. All N(1)-O(3) bond lengths are 1.32 Å. H(1) is bonded in a single-bond geometry to one C(3) atom. There are four inequivalent O sites. In the first O site, O(4) is bonded in a single-bond geometry to one N(1) atom. In the second O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(1) atom. In the third O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the fourth O site, O(3) is bonded in a 2-coordinate geometry to one Zn(1) and one N(1) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 4 [C]1O[Co]2O[C]O[Zn](O1)O[C]O2.[O][N]([O])([O])[O]. RCSR code: srs. The MOF has largest included sphere 7.27 A, density 0.96 g/cm3, surface area 3490.32 m2/g, accessible volume 0.67 cm3/g