Vibronic and cation spectroscopy of 3,5-difluorophenol
Tzeng, Wen-Bih
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https://hdl.handle.net/2142/91118
Description
Title
Vibronic and cation spectroscopy of 3,5-difluorophenol
Author(s)
Tzeng, Wen-Bih
Contributor(s)
Tzeng, Shen-Yuan
Peng, Wei-Chih
Issue Date
2016-06-20
Keyword(s)
Ions
Abstract
The vibronic, photoionization efficiency, and cation spectra of 3,5-difluorophenol have been recorded by using the resonant two-photon ionization and mass-analyzed threshold ionization techniques . The distinct spectral features mainly result from the in-plane substituent-sensitive bending and ring deformation vibrations of these species in the electronically excited S$_{1}$ and cationic ground D$_{0}$ states. Comparing these results with those of previously reported 2,4-difluorophenol, 2,5-difluorophenol, and 3,5-difluorophenol, we gain knowledge about the substituent effect on the transition energy and molecular vibration of these positional isomers.
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