REGULARITIES OF RHENIUM COORDINATION WITH PHENANTHROLINE DONOR LIQAND

Gunel Safarli
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Abstract

Effective methods for the synthesis of a number of complex compounds of rhenium (V) with 1, 10 - phenanthroline have been developed. The composition and structure of the obtained compounds were proved by physico-chemical methods, and their properties were studied by methods of elemental analysis, IR and electron (ESP) spectroscopy and thermogravimetry. Compounds of the composition PhenH2[ReOCl5](I) and PhenH2[ReOBr5](II) were obtained. The [ReOХ3Phen]- (III and IV) (x=Cl, Br) compounds were synthesized by thermal decomposition I and II. It is shown that thermal decompositions I and II proceed with the release of the corresponding hydrogen halide and the rearrangement of the phenanthroline molecule. The transition of phenanthroline from the external sphere (I and II) to the sphere of the ligand environment of rhenium (V) (compounds III and IV) was confirmed by the results of spectrophotometric measurements (IRS, ESP). Keywords: complexes of rhenium, nitrogen containing organic liqands, o-phenantroline.
铼与菲罗啉供体液配位的规律
近年来,研究开发了几种铼(V)与1,10 -菲罗啉配合物的有效合成方法。用物理化学方法证实了化合物的组成和结构,并用元素分析、红外光谱、电子能谱和热重法研究了化合物的性质。得到了PhenH2[ReOCl5](I)和PhenH2[ReOBr5](II)组成的化合物。通过热分解I和II合成了[ReOХ3Phen]- (III和IV) (x=Cl, Br)化合物。结果表明,热分解I和热分解II伴随着相应卤化氢的释放和邻菲罗啉分子的重排。分光光度法(IRS, ESP)证实了菲罗啉从外球(I和II)向铼(V)(化合物III和IV)的配体环境球的过渡。关键词:铼配合物,含氮有机液体,邻菲诺啉。
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