Conformational analysis of cyclo(Phe-Ser) by UV–UV and IR–UV double resonance spectroscopy andab initiocalculations

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Conformational analysis of cyclo(Phe-Ser) by UV–UV and IR–UV double resonance spectroscopy and ab initio calculations

We present the resonant two-photon ionization (R2PI) spectra as well as the UV–UV and IR–UV double resonance spectra for the cyclic dipeptide Phe-Ser. The R2PI spectrum shows five strong transitions in the region of 37 500–37 900 cm . By performing UV–UV double resonance spectroscopy, we distinguished 5 different conformers. For each of these conformers, the origin is the most intense transitio...

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ژورنال

عنوان ژورنال: Molecular Physics

سال: 2005

ISSN: 0026-8976,1362-3028

DOI: 10.1080/00268970500095923