Cd3H6(CO2)8(CH2)4 crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a Cd3H6(CO2)8 framework. In the Cd3H6(CO2)8 framework, there are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(8) atom to form distorted corner-sharing CdO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 35-42°. The Cd(1)-O(1) bond length is 2.52 Å. The Cd(1)-O(2) bond length is 2.40 Å. The Cd(1)-O(3) bond length is 2.61 Å. The Cd(1)-O(4) bond length is 2.28 Å. The Cd(1)-O(5) bond length is 2.30 Å. The Cd(1)-O(7) bond length is 2.42 Å. The Cd(1)-O(8) bond length is 2.41 Å. In the second Cd site, Cd(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form corner-sharing CdO6 octahedra. Both Cd(2)-O(1) bond lengths are 2.30 Å. Both Cd(2)-O(3) bond lengths are 2.30 Å. Both Cd(2)-O(6) bond lengths are 2.33 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(2) is bonded in a distorted single-bond geometry to one O(6) atom. The C(2)-O(6) 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 1.28 Å. The C(4)-O(4) bond length is 1.27 Å. In the fourth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(6)-O(7) bond length is 1.29 Å. The C(6)-O(8) 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(2) and one O(5) atom. The H(1)-O(2) bond length is 1.71 Å. The H(1)-O(5) bond length is 1.00 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 0.98 Å. In the third H site, H(5) is bonded in a linear geometry to one O(6) and one O(7) atom. The H(5)-O(6) bond length is 1.02 Å. The H(5)-O(7) bond length is 1.59 Å. There are eight inequivalent O sites. In the first O site, O(3) is bonded in a 3-coordinate geometry to one Cd(1), one Cd(2), and one C(4) atom. In the second O site, O(4) is bonded in a distorted water-like geometry to one Cd(1) and one C(4) atom. In the third O site, O(5) is bonded in a distorted water-like geometry to one Cd(1), one H(1), and one H(2) atom. In the fourth O site, O(6) is bonded in a distorted water-like geometry to one Cd(2), one C(2), and one H(5) atom. In the fifth O site, O(7) is bonded in a 3-coordinate geometry to one Cd(1), one C(6), and one H(5) atom. In the sixth O site, O(8) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(6) atom. In the seventh O site, O(1) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(2), and one C(1) atom. In the eighth O site, O(2) is bonded in a distorted single-bond geometry to one Cd(1), one C(1), and one H(1) atom. Linkers: 4 [O]C(=O)CC(O)(CC([O])=O)C([O])=O. Metal clusters: 6 [Cd]. The MOF has largest included sphere 1.61 A, density 2.79 g/cm3, surface area 2499.90 m2/g, accessible volume 0.05 cm3/g