cis–trans Geometrical isomerization of bis(2-pyridinecarboxylato)nitrosylruthenium complex accompanying electrochemical one-electron reduction |
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| Authors: | Sohei Fukui Yoshiharu ShimamuraYumiko Sunamoto Tasuku AbeToshiyuki Hirano Takao OiHirotaka Nagao |
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| Institution: | Department of Chemistry, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan |
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| Abstract: | cis-Ru(NO)(CH3CN)(pyca)2] and trans-Ru(NO)(OH)(pyca)2] (pyca = 2-pyridinecarboxylato) were synthesized and characterized by X-ray crystallography. Electrochemical behaviors of cis-Ru(NO)(CH3CN)(pyca)2] and cis-Ru(NO)(CH3O)(pyca)2] in acetonitrile were studied. These complexes showed two reduction processes in CH3CN. The controlled potential electrolyses of cis-Ru(NO)(CH3O)(pyca)2] in a methanol–acetonitrile mixed solution were performed at the potential of the first reduction process. trans-Ru(NO)(CH3O)(pyca)2] was isolated from the electrolyzed solution and characterized by IR and CV. The cis–trans geometrical change reaction occurred in the electrochemical one-electron reduction of cis-Ru(NO)(CH3O)(pyca)2]. |
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| Keywords: | Ruthenium Nitrosyl Electrochemistry Geometrical change |
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