Fluorescence excitation spectra and exited state dynamics of jet-cooled oxalyl halidesстатья
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Дата последнего поиска статьи во внешних источниках: 23 сентября 2013 г.
Аннотация:We have observed the fluorescence excitation spectra of jet-cooled oxalyl halides, (COR)2, where R = F, Cl, and compared them with corresponding gas-phase absorption spectra obtained earlier. As a result, we have found some peculiarities of the excited state dynamics of the molecules under study: high effective fluorescence for oxalyl fluoride molecules excited to the single vibronic levels of bg symmetry and high efficiency of radiationless transitions for molecules excited to the single vibronic levels of ag symmetry. For oxalyl chloride, it has been found very intensive 702810 (but not 801 or 811) hot transition. These results are compared with data for glyoxal, (COH)2, obtained earlier.