Date Published: May 01, 2012
Publisher: International Union of Crystallography
Author(s): Youtao Si.
In the mononuclear title compound, [Ni(CH3COO)2(C6H6N2O)2], the NiII atom is coordinated by two pyridine-2-aldoxime (PaoH) ligands and two acetate groups, with cis coordination for the pairs of identical ligands. While each acetate group binds to the NiII atom by one O atom, each PaoH chelates the NiII atom through two N atoms. The O atom on PaoH is not deprotonated and does not participate in bonding to the NiII atom. Thus, the NiII atom exhibits an octahedral environment. Intramolecular O—H⋯O hydrogen-bonding interactions and intermolecular C—H⋯O hydrogen-bonding interactions are present in the structure. Adjacent molecules pack along  through van der Waals forces.
For [Ni(PaoH)2Cl2], see: Krause & Busch (1960 ▶); Miyasaka et al. (2004 ▶).