Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers

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Autore principale: Carlos Frontana
Natura: Artículo científico
Lingua:en
Pubblicazione: Sociedad Química de México 2008
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author Carlos Frontana
author_facet Carlos Frontana
contents Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers Carlos Frontana Ignacio González Multidisciplinaria (Ciencias Naturales y Exactas) ESR Quinone substituent effect cyclic voltammetry inner reorganization energy The effect of 2,5 and 2,6 disubstitution (R = CH3, Cl,C(CH3)3) for 1,4-benzoquinones, in the reorganization energy (l) forthe first electron uptake process was analyzed in acetonitrile solution.Data obtained by cyclic voltammetry suggested differences inl for each type of disubstitution analyzed. These differences haveimportant consequences in the stability and structure of the electrogeneratedbenzosemiquinone species, which was verified by performingin-situ spectroelectrochemical-ESR (Electron Spin Resonance)experiments of each disubstituted semiquinone. 2008 artículo científico 1870-249X https://www.redalyc.org/articulo.oa?id=47552103 en http://www.redalyc.org/revista.oa?id=475 Journal of the Mexican Chemical Society application/pdf Sociedad Química de México Journal of the Mexican Chemical Society (México) Num.1 Vol.52
format Artículo científico
id redalyc_47552103
institution Redalyc
language en
publishDate 2008
publisher Sociedad Química de México
spellingShingle Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers
Carlos Frontana
Multidisciplinaria (Ciencias Naturales y Exactas)
ESR
Quinone
substituent effect
cyclic voltammetry
inner reorganization energy
Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers Carlos Frontana Ignacio González Multidisciplinaria (Ciencias Naturales y Exactas) ESR Quinone substituent effect cyclic voltammetry inner reorganization energy The effect of 2,5 and 2,6 disubstitution (R = CH3, Cl,C(CH3)3) for 1,4-benzoquinones, in the reorganization energy (l) forthe first electron uptake process was analyzed in acetonitrile solution.Data obtained by cyclic voltammetry suggested differences inl for each type of disubstitution analyzed. These differences haveimportant consequences in the stability and structure of the electrogeneratedbenzosemiquinone species, which was verified by performingin-situ spectroelectrochemical-ESR (Electron Spin Resonance)experiments of each disubstituted semiquinone. 2008 artículo científico 1870-249X https://www.redalyc.org/articulo.oa?id=47552103 en http://www.redalyc.org/revista.oa?id=475 Journal of the Mexican Chemical Society application/pdf Sociedad Química de México Journal of the Mexican Chemical Society (México) Num.1 Vol.52
title Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers
topic Multidisciplinaria (Ciencias Naturales y Exactas)
ESR
Quinone
substituent effect
cyclic voltammetry
inner reorganization energy
url https://www.redalyc.org/articulo.oa?id=47552103