Articles you may be interested inHigh resolution IR diode laser study of collisional energy transfer between highly vibrationally excited monofluorobenzene and CO2: The effect of donor fluorination on strong collision energy transfer Theoretical investigation of highly excited vibrational states in DFCO: Calculation of the out-of-plane bending states and simulation of the intramolecular vibrational energy redistribution Mode dependent intracluster vibrational energy redistribution rate in size-selected benzonitrile-( CHCl 3 ) n=1-3 clusters A quantum mechanical study of the role of out-of-plane vibrations in benzene in the intramolecular redistribution of vibrational energy Ultrafast vibrational excitation and energy redistribution in the electronic ground state after internal conversion of 4-nitroaniline ͑PNA͒ and isotope labeled analogs is investigated by picosecond anti-Stokes resonance Raman spectroscopy. In PNA, PNA-di-15 N and PNA-D 4 , anti-Stokes Raman lines of overtones and/or combination bands of out-of-plane vibrations display risetimes close to the decay time of the electronically excited state of about 0.5 ps and pronounced excess populations. Compared to such fast dynamics, the strongly Raman active totally-symmetric modes show a considerably slower picosecond rise time. Our results indicate primary excitation of out-of-plane vibrations by internal conversion and secondary excitation of strongly Raman active vibrations by redistribution of the vibrational energy.
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