Isovalent and mixed-valent diruthenium complexes [(acac)2RuII (-bpytz)RuII(acac)2] and [(acac)2RuII(-bpytz)RuIII(acac)2](ClO4) (acac = acetylacetonate and bpytz = 3,6-bis(3,5-dimethylpyrazolyl)-1,2,4,5-tetrazine): synthesis, spectroelectrochemical, and epr investigation

Inorganic Chemistry
Srikanta PatraGoutam Kumar Lahiri

Abstract

The title compounds involving the structurally characterized bridging ligand bpytz were characterized, showing very strong electrochemical stabilization of the mixed-valent RuIIRuIII state (Kc = 10(13.9)) but no detectable (epsilon < 20 M(-1) cm(-1)) intervalence charge-transfer band in the infrared region. In situ reduction of the neutral precursor produces a diruthenium(II) complex of the bpytz radical anion according to EPR spectroscopy, whereas oxidation of the mixed-valent form leads to a diruthenium(III) species.

Citations

Jan 19, 2012·Inorganic Chemistry·Amit DasGoutam Kumar Lahiri
Jul 19, 2013·Inorganic Chemistry·Prasenjit MondalGoutam Kumar Lahiri
Jun 25, 2013·Inorganic Chemistry·Stephen D J McKinnonRobin G Hicks
Feb 17, 2017·Inorganic Chemistry·Arijit Singha HazariGoutam Kumar Lahiri
May 17, 2019·Physical Chemistry Chemical Physics : PCCP·C KarthikaA G Samuelson
Aug 15, 2019·Chemistry : a European Journal·Debarpan DuttaPrasanta Ghosh
Oct 1, 2019·Chemistry, an Asian Journal·Sudip Kumar BeraGoutam Kumar Lahiri
Aug 21, 2012·Acta Crystallographica. Section E, Structure Reports Online·Ka Hyun ParkJunseong Lee
Aug 3, 2013·Dalton Transactions : an International Journal of Inorganic Chemistry·Ankita DasGoutam Kumar Lahiri
Dec 29, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Farheen Fatima KhanGoutam Kumar Lahiri
Sep 12, 2019·Inorganic Chemistry·Sudip Kumar BeraGoutam Kumar Lahiri
Feb 23, 2008·Journal of the American Chemical Society·Biprajit SarkarWolfgang Kaim

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