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Original Articles

Synthesis and spectroscopic characterization of bis(N-alkyldithiocarbamato)nickel(II) complexes: crystal structures of [Ni(S2CNH(n-Pr))2] and [Ni(S2CNH(i-Pr))2]

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Pages 2727-2734 | Received 19 Feb 2011, Accepted 20 Jun 2011, Published online: 04 Aug 2011
 

Abstract

Bis(N-alkyldithiocarbamato)nickel(II) complexes (1–5) [Ni(S2CNHR)2] (where R = Me, Et, n-Pr, i-Pr, n-Bu) were synthesized by the reaction of NiCl2 · 6H2O and the corresponding sodium salt of N-alkyldithiocarbamate in 1 : 2 molar ratio in aqueous medium. These bis(N-alkyldithiocarbamato)nickel(II) complexes (1–5) were characterized by elemental analysis, UV-Visible, IR, and 1H/13C-NMR spectroscopy. The crystallographic investigation of [Ni(S2CNH(n-Pr))2] (3) and [Ni(S2CNH(i-Pr))2] (4) revealed distorted square-planar geometry around nickel(II). The dithiocarbamates have anisobidentate coordination with nickel and the dithiocarbamates are trans.

Acknowledgments

S.C. Bajia is grateful to UGC, New Delhi, for providing financial support. The authors thank the University of Hyderabad for providing the X-ray facilities.

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