Laser-induced fluorescence and pure rotational spectroscopy of the CH2CHS (vinylthio) radical.
作者： Masakazu Nakajima , Akira Miyoshi , Yoshihiro Sumiyoshi , Yasuki Endo
DOI: 10.1063/1.2431365
关键词:
摘要: Laser-induced fluorescence (LIF) excitation spectra of the B–XA″2 electronic transition CH2CHS radical, which is sulfur analog vinoxy (CH2CHO) were observed under room temperature and jet-cooled conditions. The LIF show very poor vibronic structures, since quantum yields upper levels are too small to detect fluorescence, except for vibrationless level in B state. A dispersed spectrum from state was also observed, vibrational frequencies X determined. Precise rotational spin-rotation constants ground radical determined pure spectroscopy using a Fourier-transform microwave (FTMW) spectrometer FTMW-millimeter wave double-resonance technique [Y. Sumiyoshi et al., J. Chem. Phys. 123, 054324 (2005)]. rotationally resolved origin b...
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