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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper QWD50

Molecular jet spectroscopy and excited-State proton transfer reaction for 2-allylphenol, 2-propenylphenol, and 2-propylphenol and their vdW dusters with H2O and NH3

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Abstract

It is known that 2-allyiphenol photoisomerizes to cyclic ethess in nonpolar solvents. It has been suggested that the reaction proceeds by an intra- molecular proton transfer between the hydroxy] hydrogen and the allyl double bond. The excitation/ionization (time-of-flight mass spectrum) (TOFMS) in Fig, 1 suggests there is only one conformer of this molecule. Vibrational progressions of 50 cm−1 are observed and interpreted in terms of an interaction between the allyl double bond and the hydroxyl hydrogen. A semiempirical MNDO calculation is consistent with this interpretation. The possibility of the intramolecular proton transfer is investigated by 1) looking for red-shifted threshold photoionization and (2) looking for red-shifted emission.

© 1991 Optical Society of America

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