Wavepacket reconstruction

The chapter focuses on the ultrafast ESIPT found in molecules containing an H-chelate ring (see Fig. 11.1). We will discuss the spectral features associated with the ESIPT which are observed in experiments with a time resolution down to 30 fs. They are interpreted in terms of a wavepacket motion on an adiabatic potential energy surface connecting the Franck-Condon region of the enol-form with the minimum of the electronically excited keto configuration. The reaction coordinate is reconstructed from the coherently excited vibrational product modes observed in the experiment. Strong evidence is provided that skeletal modes deter-... 

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