NiC14H16(N2O3)2 is Indium-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two NiC14H16(N2O3)2 clusters. Ni(1) is bonded in an octahedral geometry to two equivalent N(1), two equivalent O(1), and two equivalent O(2) atoms. Both Ni(1)-N(1) bond lengths are 1.96 Å. Both Ni(1)-O(1) bond lengths are 2.22 Å. Both Ni(1)-O(2) bond lengths are 2.13 Å. There are seven 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(3) atom. The C(1)-N(1) bond length is 1.33 Å. The C(1)-N(2) bond length is 1.36 Å. The C(1)-H(3) bond length is 1.08 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(4), one N(1), and one H(4) atom. The C(2)-C(4) bond length is 1.37 Å. The C(2)-N(1) bond length is 1.39 Å. The C(2)-H(4) bond length is 1.08 Å. In the third C site, C(3) is bonded in a single-bond geometry to one O(1) atom. The C(3)-O(1) bond length is 1.26 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(2), 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 1.08 Å. In the fifth C site, C(5) is bonded in a single-bond geometry to one O(3) atom. The C(5)-O(3) bond length is 1.26 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(7), one N(2), and one H(6) atom. The C(6)-C(7) bond length is 1.33 Å. The C(6)-N(2) bond length is 1.41 Å. The C(6)-H(6) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(6), one H(7), and one H(8) atom. The C(7)-H(7) bond length is 1.09 Å. The C(7)-H(8) bond length is 1.09 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(2) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(1), one C(4), and one C(6) atom. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(2) atom. The H(1)-O(2) bond length is 0.99 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(2) and one O(3) atom. The H(2)-O(2) bond length is 1.00 Å. The H(2)-O(3) bond length is 1.66 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) 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) is bonded in a single-bond geometry to one C(7) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ni(1) and one C(3) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Ni(1), one H(1), and one H(2) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one C(5) and one H(2) atom. Linkers: 1 O=C1C(=O)C(=O)C1=O. Metal clusters: 2 [Ni]. The MOF has largest included sphere 1.99 A, density 1.62 g/cm3, surface area 4640.17 m2/g, accessible volume 0.14 cm3/g