NiC18H12(NO)4(CH)4(H2O)2 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of four 02329_fluka molecules, two water molecules, and one NiC18H12(NO)4 cluster. In the NiC18H12(NO)4 cluster, Ni(1) is bonded in a square co-planar geometry to two equivalent N(1) and two equivalent O(1) atoms. Both Ni(1)-N(1) bond lengths are 1.89 Å. Both Ni(1)-O(1) bond lengths are 1.90 Å. There are nine inequivalent C sites. In the first 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 1.33 Å. The C(1)-N(2) bond length is 1.37 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(3), one C(7), and one N(2) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(7) bond length is 1.42 Å. The C(2)-N(2) bond length is 1.40 Å. In the third 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 fourth C site, C(6) is bonded in a distorted single-bond geometry to one C(7) and one H(5) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(5) bond length is 1.09 Å. In the fifth C site, C(7) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one N(1) atom. The C(7)-N(1) bond length is 1.39 Å. In the sixth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(10), one C(9), and one N(2) atom. The C(8)-C(10) bond length is 1.40 Å. The C(8)-C(9) bond length is 1.40 Å. The C(8)-N(2) bond length is 1.42 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(6) atom. The C(9)-H(6) bond length is 1.09 Å. In the eighth C site, C(10) is bonded in a distorted single-bond geometry to one C(8) and one H(7) atom. The C(10)-H(7) bond length is 1.09 Å. In the ninth C site, C(11) is bonded in a trigonal planar geometry to one H(8), one O(1), and one O(2) atom. The C(11)-H(8) bond length is 1.11 Å. The C(11)-O(1) bond length is 1.29 Å. The C(11)-O(2) bond length is 1.25 Å. There are two 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(7) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(8) 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(6) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(9) 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(11) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Ni(1) and one C(11) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(11) atom. Linkers: 2 [C]N(C=[N])c1ccc(-n2cnc3ccccc32)cc1 ,1 c1ccc2c(c1)ncn2-c1ccc(-n2cnc3ccccc32)cc1. Metal clusters: 1 [Ni]. The MOF has largest included sphere 2.22 A, density 1.54 g/cm3, surface area 4883.93 m2/g, accessible volume 0.14 cm3/g