Four mononuclear ruthenium complexes [(terpy)Ru(Q)Cl]n+,[(terpy)Ru(Q)NO2l]n+, [(tppz)Ru(Q)Cl]n+, [(tppz)Ru(Q)NO2]n+and a dinuclear ruthenium complex [Cl(Q)Ru(�-tppz)Ru(Q)Cl]+ (where terpy= 2,2':6,2''-tetrakis(2-pyridyl)pyrazine and tppz =2,3,5,6-tetrakis(2-pyridyl)pyrazine) have been synthesized andcrystallographically characterized. In all cases bond distances obtained fromsingle crystal X-ray data have been imposed to formulate the valences statedistribution in isolated native state. Accessible one-electron transfer stepswere studied by cyclic voltammetry and by EPR, UV-vis-NIRspectroelectrochemistry and finally rationalized via DFT calculations .

Structural,
electron transfer and spectroscopic properties of mono and di-nuclear Imino-<i>o</i>-benzoquinonato-ruthenium complexes

241st National Meeting (2011)

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Structural, electron transfer and spectroscopic properties of mono and di-nuclear Imino-o-benzoquinonato-ruthenium complexes