Vibronic absorption spectra of acenaphthene in solution and its excited state electric dipole moments and polarizabilities |
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Institution: | Department of Chemistry, University of Ibadan, Ibadan, Nigeria;Laboratory of Chemometrics, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran |
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Abstract: | The vibronic spectra of acenaphthene in solution have been studied in detail in the region 27778–50000 cm−1. A vibronic analysis of the two longest-wavelength absorption bands was made to reveal the vibrational modes that contribute to the enhancement of the intensities of these bands. The oscillator strengths of the various electronic transitions and the electric dipole moments and polarizabilities of several excited states were determined, the latter two by the solvent spectral frequency shift method. |
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