期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 847, 期 -, 页码 121-131出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2017.02.033
关键词
Thiophene; Molecular wire; Mixed-valence; Ruthenium acetylide
资金
- JSPS KAKENHI [26810031]
- Grants-in-Aid for Scientific Research [26810031] Funding Source: KAKEN
Here we report properties of thiophene-rich, acetylide-type mono-, di- and tri-nuclear ruthenium molecular wires 1-4, which are prepared by rationally designed coupling of vinylidene intermediates. Electrochemical analysis of 1-3 reveals fully reversible redox waves, the numbers of which are equal to those of the ruthenium fragments. Spectroelectrochemical analysis of 2 and 3 reveals the clear step-bystep oxidation processes. Analysis of NIR absorption bands reveals that the monocationic species 2+ and 3+ are highly charge-delocalized species, which are further supported by DFT and TD-DFT calculations of their model complexes. (C) 2017 Elsevier B.V. All rights reserved.
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