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Synthesis, Spectral Characterization and Solvent Effects on the Electro-Reduction of Mixed Ligand Cobalt(III) Complexes

التفاصيل البيبلوغرافية
العنوان: Synthesis, Spectral Characterization and Solvent Effects on the Electro-Reduction of Mixed Ligand Cobalt(III) Complexes
المؤلفون: K. Sivaraj, K. P. Elango
المصدر: Journal of Solution Chemistry. 39:1681-1697
بيانات النشر: Springer Science and Business Media LLC, 2010.
سنة النشر: 2010
مصطلحات موضوعية: Chemistry, Solvatochromism, Biophysics, chemistry.chemical_element, Electrochemistry, Biochemistry, Redox, Solvent, Hammett equation, Organic chemistry, Physical chemistry, Reactivity (chemistry), Physical and Theoretical Chemistry, Solvent effects, Molecular Biology, Cobalt
الوصف: A series of cobalt(III) complexes of the type cis-β-[Co(ampy)2(4-R-Py)Cl]Cl2 where ampy = 2-aminomethylpyridine, R = H, Me, Et, t-Bu, COMe, and CN has been synthesized and characterized spectroscopically. The electro-reduction of these complexes has been studied in propan-2-ol/water and 1,4-dioxane/water media. The redox potential (E 1/2) data were correlated with solvent and structural parameters with an aim to shed some light on the mechanism of these reactions. Correlation of E 1/2 with macroscopic solvent parameters viz. relative permittivity, indicates that the reactivity is influenced by both specific and non-specific solute-solvent interactions. The Kamlet-Taft solvatochromic comparison method was used to separate and quantify the specific and non-specific solvent effects on the redox process. Increases in the percentage of organic co-solvent in both media makes the electro-reduction of Co(III) to Co(II) easier.
تدمد: 1572-8927
0095-9782
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::3b0fffd973caebfd4d840c54880bd10a
https://doi.org/10.1007/s10953-010-9607-9
حقوق: CLOSED
رقم الأكسشن: edsair.doi...........3b0fffd973caebfd4d840c54880bd10a
قاعدة البيانات: OpenAIRE
الوصف
تدمد:15728927
00959782