ZnH6(C5N2)2(CH)4(CO2)2 crystallizes in the trigonal R-3 space group. The structure consists of seventy-two 02329_fluka molecules and thirty-six carbon dioxide molecules inside a ZnH6(C5N2)2 framework. In the ZnH6(C5N2)2 framework, Zn(1) is bonded in a tetrahedral geometry to one N(1), one N(2), one N(3), and one N(4) atom. The Zn(1)-N(1) bond length is 2.01 Å. The Zn(1)-N(2) bond length is 2.01 Å. The Zn(1)-N(3) bond length is 2.06 Å. The Zn(1)-N(4) bond length is 2.06 Å. There are ten inequivalent C sites. In the first C site, C(11) is bonded in a distorted trigonal planar geometry to one C(12), one C(9), and one N(3) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-C(9) bond length is 1.42 Å. The C(11)-N(3) bond length is 1.39 Å. In the second C site, C(12) is bonded in a distorted single-bond geometry to one C(11) and one H(8) atom. The C(12)-H(8) bond length is 1.09 Å. In the third C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-N(2) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.08 Å. In the fourth C site, C(2) is bonded in a distorted single-bond geometry to one C(3), one C(6), and one N(1) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(6) bond length is 1.42 Å. The C(2)-N(1) bond length is 1.39 Å. In the fifth C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(2) atom. The C(3)-H(2) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(2), one C(7), and one N(2) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-N(2) bond length is 1.39 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(5) atom. The C(7)-H(5) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(6) atom. The C(8)-N(3) bond length is 1.35 Å. The C(8)-N(4) bond length is 1.35 Å. The C(8)-H(6) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(11), and one N(4) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-N(4) bond length is 1.39 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(7) atom. The C(10)-H(7) bond length is 1.09 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(2) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(1), and one C(6) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Zn(1), one C(11), and one C(8) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Zn(1), one C(8), and one C(9) atom. There are six 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(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(12) atom. Linkers: 9 C1=Nc2ccccc2[N]1. Metal clusters: 6 [Zn]. The MOF has largest included sphere 4.59 A, density 1.53 g/cm3, surface area 4680.21 m2/g, accessible volume 0.21 cm3/g