CaC3NH7O3Cl2(CH2)2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure consists of eight 02329_fluka molecules inside a CaC3NH7O3Cl2 framework. In the CaC3NH7O3Cl2 framework, Ca(1) is bonded to one O(1), two equivalent O(2), two equivalent O(3), one Cl(1), and one Cl(2) atom to form distorted edge-sharing CaCl2O5 pentagonal bipyramids. The Ca(1)-O(1) bond length is 2.31 Å. There is one shorter (2.52 Å) and one longer (2.69 Å) Ca(1)-O(2) bond length. There is one shorter (2.39 Å) and one longer (2.43 Å) Ca(1)-O(3) bond length. The Ca(1)-Cl(1) bond length is 2.71 Å. The Ca(1)-Cl(2) bond length is 2.76 Å. There are three inequivalent C sites. In the first C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(8), and one H(9) atom. The C(5)-N(1) bond length is 1.51 Å. The C(5)-H(8) bond length is 1.10 Å. The C(5)-H(9) bond length is 1.10 Å. In the second C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(3) atom. The C(1)-O(2) bond length is 1.27 Å. The C(1)-O(3) bond length is 1.28 Å. In the third C site, C(2) is bonded in a 2-coordinate geometry to one N(1) and one H(3) atom. The C(2)-N(1) bond length is 1.50 Å. The C(2)-H(3) bond length is 1.10 Å. N(1) is bonded in a tetrahedral geometry to one C(2), one C(5), one H(10), and one H(11) atom. The N(1)-H(10) bond length is 1.05 Å. The N(1)-H(11) bond length is 1.05 Å. There are seven inequivalent H sites. In the first H site, H(8) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(1) is bonded in a single-bond geometry to one O(1) and one Cl(1) atom. The H(1)-O(1) bond length is 0.99 Å. The H(1)-Cl(1) bond length is 2.05 Å. In the third H site, H(9) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(2) is bonded in a single-bond geometry to one O(1) and one Cl(2) atom. The H(2)-O(1) bond length is 0.99 Å. The H(2)-Cl(2) bond length is 2.11 Å. In the fifth H site, H(10) is bonded in a single-bond geometry to one N(1) and one Cl(1) atom. The H(10)-Cl(1) bond length is 2.08 Å. In the sixth H site, H(3) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(11) is bonded in a single-bond geometry to one N(1) and one Cl(2) atom. The H(11)-Cl(2) bond length is 2.06 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Ca(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ca(1) and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Ca(1) and one C(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 3-coordinate geometry to one Ca(1), one H(1), and one H(10) atom. In the second Cl site, Cl(2) is bonded in a distorted T-shaped geometry to one Ca(1), one H(11), and one H(2) atom. Linkers: 4 [O]C(=O)[C@@H]1CCC[NH2]1. Metal clusters: 4 [Ca]. The MOF has largest included sphere 1.93 A, density 1.65 g/cm3, surface area 4387.37 m2/g, accessible volume 0.15 cm3/g