摘要: The complete photoelectron spectrum of ethane has been measured in the valence region using Ne, He I, and II resonance radiation. resolution these spectra is sufficient to partially resolve vibronic structure accompanying transition ground ionic state. similarity this with that obtained from model calculations Jahn-Teller theorem strongly suggests active vibration a doubly degenerate CH3 deformation mode state split 2 E g These experiments suggest A 1g term for first excited 2u ion contains evidence two vibrations v 1 (C–H stretch) 3 (C-C stretch).
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