Research Article: Aqua­[1-(pyrazin-2-yl)ethanone oximato-κ2N,N′][1-(pyrazin-2-yl)ethanone oxime-κ2N,N′](thio­cyanato-κN)nickel(II)

Date Published: July 01, 2012

Publisher: International Union of Crystallography

Author(s): Ting Pang, Jia-Cheng Liu, Zan Sun, Chao-Hu Xiao, Ping Cao.

http://doi.org/10.1107/S1600536812024622

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 NiII cation is in a slightly distorted octa­hedral 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 thio­cyanate anion and one O atom from a water mol­ecule in the axial positions. There is an intra­molecular O—H⋯O hydrogen bond involving the oxime units of the two ligands. In the crystal, a three-dimensional supra­molecular architecture is formed by O—H⋯O and O—H⋯N hydrogen bonds.

Partial Text

For magnetic properties of related oxime complexes, see: Escuer et al. (2010 ▶); Radek et al. (1999 ▶, 2001 ▶); Spini (1973 ▶).

 

Source:

http://doi.org/10.1107/S1600536812024622

 

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