Photon induced isomerization in the first excited state of the 7-azaindole-(H2O)3 cluster

G. A. PINO*; I. ALATA; C. DEDONDER-LARDEUX; C. JOUVET; K. SAKOTA; H. SEKIYA

ROYAL SOC CHEMISTRY

Año: 2011 vol. 13 p. 6325 - 6325

p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 1cm; LINE-HEIGHT: 150%">Picoseconds pump and probe experiment has been applied to study the excited state dynamics of 7-azaindole-water 1:2 and 1:3 clusters [7AI(H2O)2,3] in the gas phase.  The vibration-mode selective Excited-State-Triple-Proton Transfer (ESTPT) in 7AI(H2O)2 proposed from the frequency-resolved study has been confirmed by picosecond decays.  The decay times for the vibronic states involving the ESTPT promoting mode s(1) (850~1000 ps) are much shorter than those for the other vibronic states (2100~4600 ps).  In the (1+1) REMPI spectrum of 7AI(H2