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Original Articles

Square-planar nickel(II) complexes with a tridentate Schiff base and monodentate heterocycles: self-assembly to dimeric and one-dimensional array via hydrogen bonding

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Pages 2340-2346 | Received 11 Jul 2007, Accepted 31 Aug 2007, Published online: 01 Jul 2008
 

Abstract

Square-planar nickel(II) complex with tridentate ONO-donor 4-[(2-hydroxyphenyl)imino]-2-pentanone (H2hpac) and imidazole (Himdz) are reported. The complex was synthesized in moderate yield by reacting Ni(O2CCH3)2 · 4H2O, H2hpac and imidazole in 1 : 1 : 1 mole ratio and characterized by elemental analysis, IR, 1H NMR spectroscopy. An X-ray structure determination of the complex has been completed. In the solid state, a one-dimensional assembly of the [Ni(hpac)(Himdz)] molecules is formed via intermolecular hydrogen bonds between the imidazole N–H groups and the coordinated hydroxyphenyl-O atoms.

Acknowledgements

The work was supported by the Natural Science Foundation of the Guizhou Province of China (No. 20052011) and the International Cooperation Foundation of the Guizhou Province of China (No. 20066026).

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