CoZn2H6(CO2)8(CH2)4 crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a CoZn2H6(CO2)8 framework. In the CoZn2H6(CO2)8 framework, Co(1) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(3), and two equivalent O(7) atoms. Both Co(1)-O(2) bond lengths are 2.05 Å. Both Co(1)-O(3) bond lengths are 2.11 Å. Both Co(1)-O(7) bond lengths are 2.07 Å. Zn(1) is bonded in a distorted tetrahedral geometry to one O(1), one O(4), one O(5), and one O(8) atom. The Zn(1)-O(1) bond length is 1.98 Å. The Zn(1)-O(4) bond length is 2.08 Å. The Zn(1)-O(5) bond length is 2.03 Å. The Zn(1)-O(8) bond length is 2.05 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(2) atom. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.27 Å. In the second C site, C(3) is bonded in a distorted single-bond geometry to one O(7) atom. The C(3)-O(7) bond length is 1.44 Å. In the third C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(4)-O(3) bond length is 1.27 Å. The C(4)-O(4) bond length is 1.28 Å. In the fourth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(6)-O(5) bond length is 1.28 Å. The C(6)-O(6) bond length is 1.27 Å. There are three inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(8) atom. The H(1)-O(8) bond length is 0.99 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(4) and one O(8) atom. The H(2)-O(4) bond length is 1.69 Å. The H(2)-O(8) bond length is 1.00 Å. In the third H site, H(7) is bonded in a linear geometry to one O(6) and one O(7) atom. The H(7)-O(6) bond length is 1.52 Å. The H(7)-O(7) bond length is 1.03 Å. There are eight inequivalent O sites. In the first O site, O(3) is bonded in a distorted water-like geometry to one Co(1) and one C(4) atom. In the second O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one C(4), and one H(2) atom. In the third O site, O(5) is bonded in a water-like geometry to one Zn(1) and one C(6) atom. In the fourth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one C(6) and one H(7) atom. In the fifth O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Co(1), one C(3), and one H(7) atom. In the sixth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one H(1), and one H(2) atom. In the seventh O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one C(1) atom. In the eighth O site, O(1) is bonded in a water-like geometry to one Zn(1) and one C(1) atom. Linkers: 4 [O]C(=O)CC(O)(CC([O])=O)C([O])=O. Metal clusters: 4 [Zn] ,2 [Co]. The MOF has largest included sphere 1.86 A, density 2.37 g/cm3, surface area 2859.61 m2/g, accessible volume 0.06 cm3/g