CaC4N2H9(O2Cl)2(CH2)2(CH)2CH3CF2 is Indium-derived structured and crystallizes in the monoclinic P2_1 space group. The structure is zero-dimensional and consists of four 02329_fluka molecules, four 02329_fluka molecules, two 02329_fluka molecules, two difluoromethane molecules, and two CaC4N2H9(O2Cl)2 clusters. In each CaC4N2H9(O2Cl)2 cluster, Ca(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one Cl(1), and one Cl(2) atom. The Ca(1)-O(1) bond length is 2.32 Å. The Ca(1)-O(2) bond length is 2.30 Å. The Ca(1)-O(3) bond length is 2.35 Å. The Ca(1)-O(4) bond length is 2.35 Å. The Ca(1)-Cl(1) bond length is 2.77 Å. The Ca(1)-Cl(2) bond length is 2.71 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 N(2) and one O(2) atom. The C(1)-N(2) bond length is 1.33 Å. The C(1)-O(2) bond length is 1.25 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(1) and one O(1) atom. The C(2)-N(1) bond length is 1.35 Å. The C(2)-O(1) bond length is 1.25 Å. In the third C site, C(3) is bonded in a distorted water-like geometry to one N(1) and one H(1) atom. The C(3)-N(1) bond length is 1.46 Å. The C(3)-H(1) bond length is 1.10 Å. In the fourth C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(4), and one H(5) atom. The C(5)-N(1) bond length is 1.46 Å. The C(5)-H(4) bond length is 1.10 Å. The C(5)-H(5) bond length is 1.10 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(1), one H(13), and one H(14) atom. The N(2)-H(13) bond length is 1.03 Å. The N(2)-H(14) bond length is 1.03 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(13) is bonded in a single-bond geometry to one N(2) atom. In the fifth H site, H(14) is bonded in a single-bond geometry to one N(2) atom. In the sixth H site, H(15) is bonded in a single-bond geometry to one O(3) atom. The H(15)-O(3) bond length is 0.98 Å. In the seventh H site, H(16) is bonded in a single-bond geometry to one O(3) atom. The H(16)-O(3) bond length is 0.99 Å. In the eighth H site, H(17) is bonded in a single-bond geometry to one O(4) atom. The H(17)-O(4) bond length is 0.99 Å. In the ninth H site, H(18) is bonded in a single-bond geometry to one O(4) atom. The H(18)-O(4) bond length is 0.99 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Ca(1) and one C(2) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Ca(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Ca(1), one H(15), and one H(16) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Ca(1), one H(17), and one H(18) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted single-bond geometry to one Ca(1) atom. In the second Cl site, Cl(2) is bonded in a distorted single-bond geometry to one Ca(1) atom. Linkers: 2 CC[C@@H](C(N)=O)N1C[C@H](C=C(F)F)CC1=O. Metal clusters: 2 N[C]O[Ca][O].O.O.[Cl].[Cl]. The MOF has largest included sphere 2.29 A, density 1.48 g/cm3, surface area 5006.12 m2/g, accessible volume 0.14 cm3/g