Zn(CO2)3 crystallizes in the monoclinic C2/c space group. Zn(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Zn(1)-O(1) bond length is 2.10 Å. The Zn(1)-O(2) bond length is 2.09 Å. The Zn(1)-O(3) bond length is 2.08 Å. The Zn(1)-O(4) bond length is 2.10 Å. The Zn(1)-O(5) bond length is 2.10 Å. The Zn(1)-O(6) bond length is 2.11 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(5) atom. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(5) bond length is 1.23 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(6) atom. The C(2)-O(2) bond length is 1.25 Å. The C(2)-O(6) bond length is 1.24 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to two equivalent O(3) atoms. Both C(3)-O(3) bond lengths are 1.25 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to two equivalent O(4) atoms. Both C(4)-O(4) bond lengths are 1.24 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(4) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(2) atom. Linkers: 11 [O]C(=O)C([O])=O. Metal clusters: 8 [Zn]. The MOF has largest included sphere 5.89 A, density 1.03 g/cm3, surface area 3414.58 m2/g, accessible volume 0.64 cm3/g