The multiphoton ionization spectra of ethylamine and dimethylamine are presented in the 400-470nm region, with resonance excitation to 3s Rydberg state. The MPI fragmentation patterns of two C2H7N isomers are readily ...The multiphoton ionization spectra of ethylamine and dimethylamine are presented in the 400-470nm region, with resonance excitation to 3s Rydberg state. The MPI fragmentation patterns of two C2H7N isomers are readily distinguished . For ethylamine, the most prevalent fragmentation is β-Cleavage, while for dimethylamine that is H atom ejection.展开更多
The two-photon resonance-enhanced multiphoton ionization spectrum between 285 and288.5 nm of the band of CF radical is reported. The band isrotationally analyzed, and the spectroscopic constants of the state are first...The two-photon resonance-enhanced multiphoton ionization spectrum between 285 and288.5 nm of the band of CF radical is reported. The band isrotationally analyzed, and the spectroscopic constants of the state are first derived:σ0 = 69566.38±0.52 cm-1, A’v= 46.4±0.3 cm-1, B’v= 2.565±0.017 cm-1, D’V= (8.6±1.2)×10-6cm-1.展开更多
文摘The multiphoton ionization spectra of ethylamine and dimethylamine are presented in the 400-470nm region, with resonance excitation to 3s Rydberg state. The MPI fragmentation patterns of two C2H7N isomers are readily distinguished . For ethylamine, the most prevalent fragmentation is β-Cleavage, while for dimethylamine that is H atom ejection.
文摘The two-photon resonance-enhanced multiphoton ionization spectrum between 285 and288.5 nm of the band of CF radical is reported. The band isrotationally analyzed, and the spectroscopic constants of the state are first derived:σ0 = 69566.38±0.52 cm-1, A’v= 46.4±0.3 cm-1, B’v= 2.565±0.017 cm-1, D’V= (8.6±1.2)×10-6cm-1.
