Abstract
Rhenium (V) ionic liquids of formula [BzEt3N][ReOCl3 (MBT)(tri)] and [Et3N][ReOCl3(amino)] (BzEt3N= benzyltriethyl-ammonuim, Et3N=triethylammonium, MBT=mercaptobenzothiazole, Tri=1, 2, 4-triazole and amino= amino thiazole) were synthesised by reaction between [BzEt3N][ReOCl4] and [Et3N][ReOCl4] precursors and free ligands, in the presence of triethylamine. These ionic liquid complexes have been characterised by elemental analysis, spectroscopy (IR, 1H–13C NMR, MS) and thermogravimetric studies. Geometry optimisation of [Et3N][ReOCl3(amino)] has been carried out using DFT and the predicted IR spectrum of the geometrically-optimised structure shows good agreement with experimental values.
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