A Spectroscopic Rule from the Solvatochromism of Aromatic Solutes in Nonpolar Solvents
The UV–vis absorption spectroscopy for a series of selected symmetrical aromatic hydrocarbons, benzene, naphthalene, anthracene, 9,10-diphenylanthracene, perylene, and rubrene in the gas phase or in 2-methylbutane, shows the consistency of a new spectroscopic rule. From a thorough spectroscopic anal...
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Veröffentlicht in: | The journal of physical chemistry. B 2014-05, Vol.118 (19), p.5168-5176 |
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creator | Catalán, Javier Del Valle, Juan Carlos |
description | The UV–vis absorption spectroscopy for a series of selected symmetrical aromatic hydrocarbons, benzene, naphthalene, anthracene, 9,10-diphenylanthracene, perylene, and rubrene in the gas phase or in 2-methylbutane, shows the consistency of a new spectroscopic rule. From a thorough spectroscopic analysis with temperature variation (293–113 K) this rule states that “an aromatic molecule, on Franck–Condon excitation can hardly generate an excited electronic state with a lower polarizability than that of its ground electronic-state.” We have not found any exceptions to this rule. |
doi_str_mv | 10.1021/jp501685y |
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subjects | Absorption spectroscopy Consistency Excitation spectra Gas phases Grounds Hydrocarbons Physical chemistry Solvents Spectroscopy |
title | A Spectroscopic Rule from the Solvatochromism of Aromatic Solutes in Nonpolar Solvents |
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