NiH28(C7N2)4 is Indium-like structured and crystallizes in the orthorhombic Pbcn space group. The structure is zero-dimensional and consists of four NiH28(C7N2)4 clusters. Ni(1) is bonded in a square co-planar geometry to two equivalent N(1) and two equivalent N(4) atoms. Both Ni(1)-N(1) bond lengths are 2.07 Å. Both Ni(1)-N(4) bond lengths are 2.09 Å. There are fourteen inequivalent C sites. In the first C site, C(13) is bonded in a distorted single-bond geometry to one C(5) and one H(13) atom. The C(13)-C(5) bond length is 1.37 Å. The C(13)-H(13) bond length is 0.93 Å. In the second C site, C(14) is bonded in a distorted bent 120 degrees geometry to one N(4) and one H(14) atom. The C(14)-N(4) bond length is 1.32 Å. The C(14)-H(14) bond length is 0.93 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 1.32 Å. The C(1)-N(2) bond length is 1.37 Å. The C(1)-H(1) bond length is 0.93 Å. In the fourth C site, C(2) is bonded in a distorted trigonal non-coplanar geometry to one C(10), one N(2), one H(2), and one H(3) atom. The C(2)-C(10) bond length is 1.52 Å. The C(2)-N(2) bond length is 1.40 Å. The C(2)-H(2) bond length is 0.97 Å. The C(2)-H(3) bond length is 0.97 Å. In the fifth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4) atom. The C(3)-N(1) bond length is 1.36 Å. The C(3)-H(4) bond length is 0.93 Å. In the sixth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(5) atom. The C(4)-N(2) bond length is 1.39 Å. The C(4)-H(5) bond length is 0.93 Å. In the seventh C site, C(5) is bonded in a trigonal planar geometry to one C(13), one C(8), and one C(9) atom. The C(5)-C(8) bond length is 1.52 Å. The C(5)-C(9) bond length is 1.37 Å. In the eighth C site, C(6) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(6) atom. The C(6)-N(3) bond length is 1.38 Å. The C(6)-N(4) bond length is 1.30 Å. The C(6)-H(6) bond length is 0.93 Å. In the ninth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(7) atom. The C(7)-N(3) bond length is 1.34 Å. The C(7)-H(7) bond length is 0.93 Å. In the tenth C site, C(8) is bonded in a 3-coordinate geometry to one C(5); one N(3); and two equivalent H(8,9) atoms. The C(8)-N(3) bond length is 1.47 Å. Both C(8)-H(8,9) bond lengths are 0.97 Å. In the eleventh C site, C(9) is bonded in a distorted single-bond geometry to one C(5) and one H(10) atom. The C(9)-H(10) bond length is 0.93 Å. In the twelfth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(2) atom. The C(10)-C(11) bond length is 1.36 Å. The C(10)-C(12) bond length is 1.37 Å. In the thirteenth C site, C(11) is bonded in a distorted single-bond geometry to one C(10) and one H(11) atom. The C(11)-H(11) bond length is 0.93 Å. In the fourteenth C site, C(12) is bonded in a distorted single-bond geometry to one C(10) and one H(12) atom. The C(12)-H(12) bond length is 0.93 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a 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 distorted trigonal planar geometry to one C(1), one C(2), and one C(4) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(6), one C(7), and one C(8) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Ni(1), one C(14), and one C(6) atom. There are thirteen 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(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(8,9) is bonded in a single-bond geometry to one C(8) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(9) atom. In the tenth H site, H(11) is bonded in a single-bond geometry to one C(11) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(12) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(13) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(14) atom. Linkers: 2 c1cn(Cc2ccc(Cn3ccnc3)cc2)cn1. Metal clusters: 2 [Ni]. The MOF has largest included sphere 8.59 A, density 0.45 g/cm3, surface area 5577.66 m2/g, accessible volume 1.80 cm3/g