BaPtC18N7H10CH crystallizes in the monoclinic C2/c space group. The structure consists of four 02329_fluka molecules inside a BaPtC18N7H10 framework. In the BaPtC18N7H10 framework, Ba(1) is bonded in a pentagonal bipyramidal geometry to one N(4), two equivalent N(1), two equivalent N(2), and two equivalent N(3) atoms. The Ba(1)-N(4) bond length is 2.90 Å. Both Ba(1)-N(1) bond lengths are 2.79 Å. Both Ba(1)-N(2) bond lengths are 2.80 Å. Both Ba(1)-N(3) bond lengths are 2.84 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 1.97 Å. Both Pt(1)-C(2) bond lengths are 1.98 Å. There are nine inequivalent C sites. In the first 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 second C site, C(2) is bonded in a linear geometry to one Pt(1) and one N(2) atom. The C(2)-N(2) bond length is 1.17 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(10), one C(5), and one H(1) atom. The C(3)-C(10) bond length is 1.40 Å. The C(3)-C(5) bond length is 1.39 Å. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(6), one N(3), and one H(2) atom. The C(4)-C(6) 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 fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(3) and one H(3) atom. The C(5)-H(3) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(10), one C(8), and one N(4) atom. The C(7)-C(10) bond length is 1.49 Å. The C(7)-C(8) bond length is 1.40 Å. The C(7)-N(4) bond length is 1.36 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(5) atom. The C(8)-H(5) bond length is 1.09 Å. In the ninth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(3), one C(7), and one N(3) atom. The C(10)-N(3) bond length is 1.35 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted single-bond geometry to one Ba(1) and one C(1) atom. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one Ba(1) and one C(2) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Ba(1), one C(10), and one C(4) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Ba(1) and two equivalent C(7) atoms. There are five 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(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. Linkers: 8 [C]#N. Metal clusters: 2 [Ba] ,2 [Pt]. The MOF has largest included sphere 2.42 A, density 2.25 g/cm3, surface area 3209.97 m2/g, accessible volume 0.10 cm3/g