Reference of 8-Hydroxyquinoline 1-oxide. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 8-Hydroxyquinoline 1-oxide, is researched, Molecular C9H7NO2, CAS is 1127-45-3, about catena-Poly[[[diaquabis(8-hydroxyquinoline N-oxide-κO1)cobalt(II)]-μ-2,5-dimethylpyrazine 1,4-dioxide-κ2O1:O4] bis(perchlorate)]. Author is Gu, Li Qin; Li, Jin Min.
In the title complex, {[Co(C6H8N2O2)(C9H7NO2)(H2O)2](ClO4)2}n, the CoII ion lies on an inversion center and is coordinated in a slightly distorted octahedral environment. The 2,5-dimethylpyrazine 1,4-dioxide ligand, which also lies on an inversion center, acts as a bridging ligand, linking symmetry-related CoII ions [Co…Co = 8.669 (3) Å] and forming one-dimensional chains along the b axis. In the crystal structure, these chains are linked by intermol. aqua-perchlorate O-H…O hydrogen bonds, forming two-dimensional layers which are in turn connected into a three-dimensional network via π-π stacking interactions between quinoline rings, with a centroid-centroid distance of 3.580 (3) Å. An intermol. O-H…Cl interaction is also present. Crystallog. data are given.
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Quinoxaline – Wikipedia,
Quinoxaline | C8H6N2 | ChemSpider