Abstract
It was shown that perturbation theory, as applied within the framework of the π-electron approximation, is a simple and powerful tool to qualitatively account for the change in acid-base equilibria on photoexcitation [1]. However, even if this method has clearly shown that the difference between the π electronic distributions of the ground and excited states of a proton donor molecule is strongly correlated with the pK change, it remains to elaborate a physically acceptable model which serves as a support for a better understanding of the origin of such a correlation.
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References
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© 1976 D. Reidel Publishing Company, Dordrecht, Holland
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Constanciel, R., Chalvet, O. (1976). Application of the Method of Group Density Analysis to a Study of Excited States Acid-Base Equilibria in Conjugated Molecules. In: Chalvet, O., Daudel, R., Diner, S., Malrieu, J.P. (eds) Localization and Delocalization in Quantum Chemistry. Localization and Delocalization in Quantum Chemistry, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-1456-4_21
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