CdH4(CO2)3CH crystallizes in the monoclinic P2_1/c space group. The structure consists of eight 02329_fluka molecules inside a CdH4(CO2)3 framework. In the CdH4(CO2)3 framework, there are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(12), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form distorted corner-sharing CdO7 pentagonal bipyramids. The Cd(1)-O(1) bond length is 2.29 Å. The Cd(1)-O(12) bond length is 2.38 Å. The Cd(1)-O(2) bond length is 2.44 Å. The Cd(1)-O(3) bond length is 2.30 Å. The Cd(1)-O(5) bond length is 2.54 Å. There is one shorter (2.35 Å) and one longer (2.46 Å) Cd(1)-O(4) bond length. In the second Cd site, Cd(2) is bonded to one O(10), one O(11), one O(6), one O(7), one O(8), and two equivalent O(9) atoms to form distorted edge-sharing CdO7 pentagonal bipyramids. The Cd(2)-O(10) bond length is 2.54 Å. The Cd(2)-O(11) bond length is 2.25 Å. The Cd(2)-O(6) bond length is 2.31 Å. The Cd(2)-O(7) bond length is 2.53 Å. The Cd(2)-O(8) bond length is 2.42 Å. There is one shorter (2.35 Å) and one longer (2.47 Å) Cd(2)-O(9) bond length. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted water-like geometry to one H(1) and one O(2) atom. The C(1)-H(1) bond length is 1.10 Å. The C(1)-O(2) bond length is 1.45 Å. In the second C site, C(4) is bonded in a distorted water-like geometry to one H(4) and one O(2) atom. The C(4)-H(4) bond length is 1.10 Å. The C(4)-O(2) bond length is 1.44 Å. In the third C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(4) and one O(5) atom. The C(5)-O(4) bond length is 1.27 Å. The C(5)-O(5) 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 1.27 Å. The C(6)-O(8) bond length is 1.28 Å. In the fifth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(9) atom. The C(7)-O(10) bond length is 1.27 Å. The C(7)-O(9) bond length is 1.28 Å. In the sixth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(12) atom. The C(8)-O(11) bond length is 1.26 Å. The C(8)-O(12) bond length is 1.27 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(5) is bonded in a single-bond geometry to one O(1) atom. The H(5)-O(1) bond length is 0.98 Å. In the fourth H site, H(6) is bonded in a single-bond geometry to one O(1) atom. The H(6)-O(1) bond length is 1.00 Å. In the fifth H site, H(7) is bonded in a single-bond geometry to one O(3) atom. The H(7)-O(3) bond length is 0.99 Å. In the sixth H site, H(8) is bonded in a distorted single-bond geometry to one O(3) and one O(8) atom. The H(8)-O(3) bond length is 1.00 Å. The H(8)-O(8) bond length is 1.67 Å. In the seventh H site, H(9) is bonded in a single-bond geometry to one O(6) atom. The H(9)-O(6) bond length is 0.99 Å. In the eighth H site, H(10) is bonded in a distorted single-bond geometry to one O(6) and one O(7) atom. The H(10)-O(6) bond length is 1.00 Å. The H(10)-O(7) bond length is 1.67 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Cd(1), one H(5), and one H(6) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Cd(1), one C(1), and one C(4) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Cd(1), one H(7), and one H(8) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to two equivalent Cd(1) and one C(5) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cd(1) and one C(5) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Cd(2), one H(10), and one H(9) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Cd(2), one C(6), and one H(10) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Cd(2), one C(6), and one H(8) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to two equivalent Cd(2) and one C(7) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one Cd(2) and one C(7) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one C(8) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Cd(1) and one C(8) atom. Linkers: 4 [O]C(=O)[C@@H]1[C@H](C([O])=O)[C@@H](C([O])=O)O[C@H]1C([O])=O. Metal clusters: 8 [Cd]. The MOF has largest included sphere 1.79 A, density 2.78 g/cm3, surface area 2540.18 m2/g, accessible volume 0.05 cm3/g