CaPtC16N7H8(CH)3 crystallizes in the monoclinic C2/c space group. The structure consists of twelve 02329_fluka molecules inside a CaPtC16N7H8 framework. In the CaPtC16N7H8 framework, Ca(1) is bonded in a distorted pentagonal bipyramidal geometry to one N(2), two equivalent N(1), two equivalent N(3), and two equivalent N(4) atoms. The Ca(1)-N(2) bond length is 2.55 Å. Both Ca(1)-N(1) bond lengths are 2.49 Å. Both Ca(1)-N(3) bond lengths are 2.57 Å. Both Ca(1)-N(4) bond lengths are 2.47 Å. Pt(1) is bonded in a square co-planar geometry to two equivalent C(1) and two equivalent C(2) atoms. Both Pt(1)-C(1) bond lengths are 1.98 Å. Both Pt(1)-C(2) bond lengths are 1.98 Å. There are eight inequivalent C sites. In the first C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one N(3), and one H(2) atom. The C(4)-C(3) bond length is 1.39 Å. The C(4)-N(3) bond length is 1.34 Å. The C(4)-H(2) bond length is 1.09 Å. In the second C site, C(5) is bonded in a distorted single-bond geometry to one C(10) and one H(3) atom. The C(5)-C(10) bond length is 1.40 Å. The C(5)-H(3) bond length is 1.09 Å. In the third C site, C(7) is bonded in a distorted single-bond geometry to one C(9) and one H(5) atom. The C(7)-C(9) bond length is 1.40 Å. The C(7)-H(5) bond length is 1.09 Å. In the fourth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(7), and one N(2) atom. The C(9)-C(10) bond length is 1.49 Å. The C(9)-N(2) bond length is 1.35 Å. In the fifth C site, C(1) is bonded in a distorted linear geometry to one Pt(1) and one N(1) atom. The C(1)-N(1) bond length is 1.17 Å. In the sixth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(5), one C(9), and one N(3) atom. The C(10)-N(3) bond length is 1.35 Å. In the seventh C site, C(2) is bonded in a linear geometry to one Pt(1) and one N(4) atom. The C(2)-N(4) bond length is 1.17 Å. In the eighth C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(1) atom. The C(3)-H(1) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted linear geometry to one Ca(1) and one C(1) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Ca(1) and two equivalent C(9) atoms. In the third N site, N(3) is bonded in a trigonal planar geometry to one Ca(1), one C(10), and one C(4) atom. In the fourth N site, N(4) is bonded in a bent 150 degrees geometry to one Ca(1) and one C(2) atom. There are four 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(2) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. Linkers: 8 [C]#N. Metal clusters: 2 [Ca] ,2 [Pt]. The MOF has largest included sphere 2.30 A, density 2.07 g/cm3, surface area 3465.32 m2/g, accessible volume 0.13 cm3/g