Different Degrees of Electron Delocalization in Mixed Valence Ru‐Ru‐Ru Compounds by Cyanido‐/Isocyanido‐Bridge Isomerism | Zendy

Yang YuYing | Zendy; Zhu XiaoQuan | Zendy; Hu ShengMin | Zendy; Su ShaoDong | Zendy; Zhang LinTao | Zendy; Wen YueHong | Zendy; Wu XinTao | Zendy; Sheng TianLu | Zendy

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Different Degrees of Electron Delocalization in Mixed Valence Ru‐Ru‐Ru Compounds by Cyanido‐/Isocyanido‐Bridge Isomerism

Author(s) -

Yang YuYing,

Zhu XiaoQuan,

Hu ShengMin,

Su ShaoDong,

Zhang LinTao,

Wen YueHong,

Wu XinTao,

Sheng TianLu

Publication year - 2018

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201806157

Subject(s) - delocalized electron , chemistry , valence (chemistry) , electron delocalization , isocyanide , ruthenium , crystallography , cyanide , medicinal chemistry , stereochemistry , catalysis , inorganic chemistry , organic chemistry

The two stable pairs of trimetallic compounds trans ‐[Cp*(dppe)Ru(μ‐NC)Ru(dmap) 4 (μ‐CN)Ru(dppe)Cp*][PF 6 ] n ( 1 [PF 6 ] n , n =2, 3; Cp*=1,2,3,4,5‐pentamethylcyclopentadiene; dppe=1,2‐bis‐(diphenylphosphino)ethane; dmap= 4‐dimethylaminopyridine) and trans ‐[Cp*(dppe)Ru(μ‐CN)Ru(dmap) 4 (μ‐NC)Ru(dppe)Cp*][PF 6 ] n ( 2 [PF 6 ] n , n =2, 3), which demonstrate cyanide/isocyanide isomerism, have been synthesized and fully characterized. 1 3+ [PF 6 ] 3 and 2 3+ [PF 6 ] 3 are the one‐electron oxidation products of 1 2+ [PF 6 ] 2 and 2 2+ [PF 6 ] 2 , respectively. The results suggest that 1 [PF 6 ] 3 is a class III mixed valence compound, whereas 2 [PF 6 ] 3 might be an unusually symmetrical class II–III mixed valence compound composed of the two asymmetrical delocalized Ru III −NC−Ru II mixed valence subunits.

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