Ni3C30N15H18O7 crystallizes in the cubic I-43m space group. Ni(1) is bonded to one N(1), two equivalent N(2), one O(2), and two equivalent O(1) atoms to form corner-sharing NiN3O3 octahedra. The corner-sharing octahedral tilt angles are 62°. The Ni(1)-N(1) bond length is 2.00 Å. Both Ni(1)-N(2) bond lengths are 2.02 Å. The Ni(1)-O(2) bond length is 1.87 Å. Both Ni(1)-O(1) bond lengths are 2.02 Å. There are seven inequivalent C sites. In the first C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(1) bond length is 1.39 Å. The C(2)-C(3) bond length is 1.40 Å. The C(2)-H(2) bond length is 1.09 Å. In the second C site, C(4) is bonded in a distorted water-like geometry to one C(3) and two equivalent N(3) atoms. The C(4)-C(3) bond length is 1.46 Å. Both C(4)-N(3) bond lengths are 1.35 Å. In the third 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)-N(1) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.09 Å. In the fourth C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(3) atom. The C(7)-C(6) bond length is 1.40 Å. The C(7)-H(3) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(6) and two equivalent O(1) atoms. The C(5)-C(6) bond length is 1.50 Å. Both C(5)-O(1) bond lengths are 1.27 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5) and two equivalent C(7) atoms. In the seventh C site, C(3) is bonded in a trigonal planar geometry to one C(4) and two equivalent C(2) atoms. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Ni(1) and two equivalent C(1) atoms. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Ni(1), one N(2), and one N(3) atom. The N(2)-N(2) bond length is 1.34 Å. The N(2)-N(3) bond length is 1.32 Å. In the third N site, N(3) is bonded in a water-like geometry to one C(4) and one N(2) atom. There are three inequivalent H sites. In the first H site, H(3) is bonded in a single-bond geometry to one C(7) 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(1) is bonded in a single-bond geometry to one C(1) atom. There are two inequivalent O sites. In the first O site, O(2) is bonded in a trigonal planar geometry to three equivalent Ni(1) atoms. In the second O site, O(1) is bonded in a bent 120 degrees geometry to one Ni(1) and one C(5) atom. Linkers: 9 c1cc(C2=NN=N[N]2)ccn1 ,6 [O]C(=O)c1ccc(C([O])=O)cc1 ,3 c1cc(C2=N[N]N=N2)ccn1. Metal clusters: 9 [Ni] ,1 [C]1O[Ni@]23=N[N][Ni]45(N=N[Ni](N=N2)(O[C]O3)(O[C]O4)O5)O1. The MOF has largest included sphere 9.36 A, density 0.97 g/cm3, surface area 3777.78 m2/g, accessible volume 0.61 cm3/g