Zn2H3(C3O2)3 crystallizes in the orthorhombic P2_12_12_1 space group. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a distorted T-shaped geometry to one O(1), one O(4), and one O(5) atom. The Zn(1)-O(1) bond length is 2.09 Å. The Zn(1)-O(4) bond length is 2.08 Å. The Zn(1)-O(5) bond length is 2.10 Å. In the second Zn site, Zn(2) is bonded in a distorted trigonal non-coplanar geometry to one O(2), one O(3), and one O(6) atom. The Zn(2)-O(2) bond length is 1.94 Å. The Zn(2)-O(3) bond length is 1.96 Å. The Zn(2)-O(6) bond length is 1.94 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(9), one O(4), and one O(6) atom. The C(1)-C(9) bond length is 1.52 Å. The C(1)-O(4) bond length is 1.22 Å. The C(1)-O(6) bond length is 1.26 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(7) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-C(4) bond length is 1.50 Å. The C(2)-C(7) bond length is 1.42 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(8), and one H(2) atom. The C(3)-C(8) bond length is 1.41 Å. The C(3)-H(2) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(2), and one O(5) atom. The C(4)-O(2) bond length is 1.27 Å. The C(4)-O(5) bond length is 1.26 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(8), one C(9), and one H(3) atom. The C(5)-C(8) bond length is 1.41 Å. The C(5)-C(9) bond length is 1.36 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a bent 120 degrees geometry to one C(8), one O(1), and one O(3) atom. The C(6)-C(8) bond length is 1.49 Å. The C(6)-O(1) bond length is 1.24 Å. The C(6)-O(3) bond length is 1.27 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2), one C(9), and one H(1) atom. The C(7)-C(9) bond length is 1.38 Å. The C(7)-H(1) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(6) atom. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(7) atom. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one C(6) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Zn(2) and one C(4) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Zn(2) and one C(6) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Zn(1) and one C(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(4) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Zn(2) and one C(1) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 4 [C]1O[Zn]2O[C]O[Zn](O1)O[C]O2. RCSR code: srs. The MOF has largest included sphere 8.78 A, density 0.77 g/cm3, surface area 3231.07 m2/g, accessible volume 1.08 cm3/g