NiH30(C2N)12 is Indium-like structured and crystallizes in the trigonal R-3 space group. The structure is zero-dimensional and consists of three NiH30(C2N)12 clusters. Ni(1) is bonded in an octahedral geometry to six equivalent N(1) atoms. All Ni(1)-N(1) bond lengths are 2.13 Å. There are four inequivalent C sites. In the first C site, C(4) is bonded in a 3-coordinate geometry to one N(2), one H(4), and one H(5) atom. The C(4)-N(2) bond length is 1.47 Å. The C(4)-H(4) bond length is 0.96 Å. The C(4)-H(5) bond length is 1.00 Å. In the second C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(1), and one H(1) atom. The C(1)-C(2) bond length is 1.36 Å. The C(1)-N(1) bond length is 1.37 Å. The C(1)-H(1) bond length is 0.95 Å. In the third C site, C(2) is bonded in a 3-coordinate geometry to one C(1), one N(2), and one H(2) atom. The C(2)-N(2) bond length is 1.37 Å. The C(2)-H(2) bond length is 0.94 Å. In the fourth C site, C(3) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(3) atom. The C(3)-N(1) bond length is 1.32 Å. The C(3)-N(2) bond length is 1.35 Å. The C(3)-H(3) bond length is 0.98 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Ni(1), one C(1), and one C(3) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(4) atom. There are five 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(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(4) atom. Linkers: 9 c1cn(CCn2ccnc2)cn1. Metal clusters: 3 [Ni]. The MOF has largest included sphere 3.87 A, density 1.12 g/cm3, surface area 5256.39 m2/g, accessible volume 0.42 cm3/g