Raman depolarization ratios of jet-cooled benzene and its dimer by stimulated Raman—UV optical double-resonance spectroscopy
作者： Takayuki Ebata , Mamiko Hamakado , Shoutaro Moriyama , Yoshiyuki Morioka , Mitsuo Ito
DOI: 10.1016/0009-2614(92)80045-D
关键词: Spectroscopy 、 Dimer 、 Vibronic spectroscopy 、 Raman spectroscopy 、 Analytical chemistry 、 Chemistry 、 Resonance-enhanced multiphoton ionization 、 Depolarization 、 Resonance 、 Depolarization ratio
摘要: Abstract By the use of double resonance stimulated Raman pumping and mass-selected enhanced multiphoton ionization, depolarization ratios bands jet-cooled benzene its dimer have been measured for first time. The ratio totally symmetric ring breathing vibration (mode 1) showed a drastic change upon formation. We found two kinds which give different ϱ = 0.1 0.02. applying model proposed by Hyodo Fujiyama, dimers 0.02 were concluded to be those having intermolecular distances 3.6 5 A, respectively.
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