ZnC4N11H crystallizes in the trigonal R-3 space group. Zn(1) is bonded in a tetrahedral geometry to one N(11), one N(4), one N(7), and one N(8) atom. The Zn(1)-N(11) bond length is 2.02 Å. The Zn(1)-N(4) bond length is 1.99 Å. The Zn(1)-N(7) bond length is 2.02 Å. The Zn(1)-N(8) bond length is 1.97 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(3), and one N(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(3) bond length is 1.45 Å. The C(1)-N(1) bond length is 1.33 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(4), and one N(3) atom. The C(2)-C(4) bond length is 1.46 Å. The C(2)-N(3) bond length is 1.34 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(1), one N(11), and one N(8) atom. The C(3)-N(11) bond length is 1.33 Å. The C(3)-N(8) bond length is 1.33 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(2), one N(4), and one N(7) atom. The C(4)-N(4) bond length is 1.33 Å. The C(4)-N(7) bond length is 1.33 Å. There are eleven inequivalent N sites. In the first N site, N(1) is bonded in a distorted water-like geometry to one C(1) and one N(2) atom. The N(1)-N(2) bond length is 1.33 Å. In the second N site, N(2) is bonded in a single-bond geometry to one N(1), one N(3), and one H(1) atom. The N(2)-N(3) bond length is 1.31 Å. The N(2)-H(1) bond length is 0.86 Å. In the third N site, N(3) is bonded in a distorted water-like geometry to one C(2) and one N(2) atom. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one Zn(1), one C(4), and one N(5) atom. The N(4)-N(5) bond length is 1.35 Å. In the fifth N site, N(5) is bonded in a water-like geometry to one N(4) and one N(6) atom. The N(5)-N(6) bond length is 1.29 Å. In the sixth N site, N(6) is bonded in a water-like geometry to one N(5) and one N(7) atom. The N(6)-N(7) bond length is 1.35 Å. In the seventh N site, N(7) is bonded in a 2-coordinate geometry to one Zn(1), one C(4), and one N(6) atom. In the eighth N site, N(8) is bonded in a 3-coordinate geometry to one Zn(1), one C(3), and one N(9) atom. The N(8)-N(9) bond length is 1.35 Å. In the ninth N site, N(9) is bonded in a water-like geometry to one N(10) and one N(8) atom. The N(9)-N(10) bond length is 1.29 Å. In the tenth N site, N(10) is bonded in a water-like geometry to one N(11) and one N(9) atom. The N(10)-N(11) bond length is 1.36 Å. In the eleventh N site, N(11) is bonded in a 3-coordinate geometry to one Zn(1), one C(3), and one N(10) atom. H(1) is bonded in a single-bond geometry to one N(2) atom. Linkers: 6 [N]1N=NN=C1c1n[nH]nc1C1=NN=N[N]1. Metal clusters: 6 [Zn]. The MOF has largest included sphere 9.28 A, density 1.11 g/cm3, surface area 3484.52 m2/g, accessible volume 0.57 cm3/g