Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers
Título del documento: Revisiting the Effects of the Molecular Structure in the Kinetics of Electron transfer of Quinones: Kinetic Differences in Structural Isomers
Revue: Journal of the Mexican Chemical Society
Base de datos: PERIÓDICA
Número de sistema: 000367711
ISSN: 1665-9686
Autores: 1
2
Instituciones: 1Instituto Politécnico Nacional, Centro de Investigación y de Estudios Avanzados, México, Distrito Federal. México
2Universidad Autónoma Metropolitana, Area de Electroquímica, Iztapalapa, Distrito Federal. México
Año:
Periodo: Ene-Mar
Volumen: 52
Número: 1
Paginación: 11-18
País: México
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Experimental, aplicado
Resumen en español v
Resumen en inglés The effect of 2,5 and 2,6 disubstitution (R = CH3, Cl, C(CH3)3) for 1,4–benzoquinones, in the reorganization energy (λ) for the first electron uptake process was analyzed in acetonitrile solution. Data obtained by cyclic voltammetry suggested differences in λ for each type of disubstitution analyzed. These differences have important consequences in the stability and structure of the electro–generated benzosemiquinone species, which was verified by performing in–situ spectroelectrochemical–ESR (Electron Spin Resonance) experiments of each disubstituted semiquinone
Disciplinas: Química
Palabras clave: Química orgánica,
Quinonas,
Transferencia de electrones,
Voltamperometría cíclica,
Cinética química
Keyword: Chemistry,
Organic chemistry,
Quinones,
Electron transfer,
Cyclic voltammetry,
Chemical kinetics
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