Abstract

The first spectroscopic study of the 3p ← n O multiphoton excitation of jet-cooled methanol and ethanol is presented. The mass-resolved resonance-enhanced multiphoton ionization (REMPI) spectra of CH 3OH and CD 3OD are compared to the VUV absorption spectra. The 2 + 1 REMPI spectra of CH 3CH 2OH and CH 3CH 2OD have a well-resolved vibrational structure and are attribute to trans ethanol. The production of the methyl radical (from methanol and ethanol) is revealed by its 3 p z 2 A 2 ″ ← X ∼ 2 A 2 ″ 2 + 1 REMPI spectrum.

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