首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Synthesis,characterization and reactivity of trans-[RuCl(NO)(bpydip)]~(2+) {bpydip = N,N'-bis(7-methyI-2-pyridylmethylene)-l,3-diiminopropane}:a novel nitrosyl ruthenium complex displaying high electronic delocalization
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Synthesis,characterization and reactivity of trans-[RuCl(NO)(bpydip)]~(2+) {bpydip = N,N'-bis(7-methyI-2-pyridylmethylene)-l,3-diiminopropane}:a novel nitrosyl ruthenium complex displaying high electronic delocalization

机译:反式[RuCl(NO)(bpydip)]〜(2+){bpydip = N,N'-双(7-甲基I-2-吡啶基亚甲基)-1,3-二亚氨基丙烷}的合成,表征和反应性亚硝酰基钌配合物显示高电子离域

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摘要

A novel trans-[RuCl(NO)(bpydip)]~(2+) species has been obtained by the reaction of nitrite ions with TRANS-[RuCl_2-(bpydip)] {bpydip=N,N'-bis(7-methyl-2-pyridylmethylene)-1,3-diiminopropane},and extensively characterized by means of elemental analysis,cyclic voltammetry,UV/Visible,FTIR,~1H NMR and EPR spectroscopy.The electrochemistry in acetonitrile solution,consists of two sets of reversible redox processes ascribed to the Ru~(III/II) (E_(1/2)=+1.92 V versus NHE) and NO~(+/.) (E_(1/2)=+0.34 V) redox couples.A relatively high v(NO) stretching frequency (1920 cm~(-1)) has been observed in the FTIR spectra,indicating a NO+ character,while the absence of EPR signals is also consistent with the Run-N0~* formulation.The reduction of the complex was monitored spectroeleclrochemically,exhibiting a shift of v(NO) to 1890 cm~(-1);and giving rise to characteristic EPR signals which evidence the NO~+ character in the product.
机译:通过亚硝酸根离子与TRANS- [RuCl_2-(bpydip)] {bpydip = N,N'-bis(7-)的反应获得了一种新型的反式[RuCl(NO)(bpydip)]〜(2+)物种。甲基-2-吡啶基亚甲基)-1,3-二亚氨基丙烷},并通过元素分析,循环伏安,紫外/可见光,FTIR,〜1H NMR和EPR光谱进行了广泛表征。乙腈溶液中的电化学由两套归因于Ru〜(III / II)(E_(1/2)= + 1.92 V对NHE)和NO〜(+/-)(E_(1/2)= + 0.34 V)氧化还原对的可逆氧化还原过程。在FTIR光谱中观察到较高的v(NO)拉伸频率(1920 cm〜(-1)),表明NO +特性,而没有EPR信号也与Run-N0〜*公式一致。分光光度法监测复合物的还原,表现出v(NO)移至1890 cm〜(-1);并产生特征性的EPR信号,证明产物中的NO〜+特征。

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