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Acta Crystallogr Sect E Struct Rep Online. 2012 Jul 1;68(Pt 7):m883. doi: 10.1107/S1600536812024622. Epub 2012 Jun 13.

Aqua-[1-(pyrazin-2-yl)ethanone oximato-κ²N,N'][1-(pyrazin-2-yl)ethanone oxime-κ²N,N'](thio-cyanato-κN)nickel(II).

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  • 1Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, People's Republic of China.

Abstract

In the title complex, [Ni(C₆H₆N₃O)(NCS)(C₆H₇N₃O)(H₂O)] or [Ni(mpko)(SCN)(mpkoH)(H₂O)] [where mpkoH = 1-(pyrazin-2-yl)ethanone oxime], the Ni(II) cation is in a slightly distorted octa-hedral geometry, being coordinated in the equatorial plane by four N atoms from two different mpkoH ligands, one of which is deprotonated, and by one N atom from a thio-cyanate anion and one O atom from a water mol-ecule in the axial positions. There is an intra-molecular O-H⋯O hydrogen bond involving the oxime units of the two ligands. In the crystal, a three-dimensional supra-molecular architecture is formed by O-H⋯O and O-H⋯N hydrogen bonds.

PMID:
22807728
[PubMed]
PMCID:
PMC3393160
Free PMC Article

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