Abstract
The allyl radical was produced in molecular beam by pyrolysis of allyl iodide. The vibronic spectra from ground state to six new electronic states of the allyl radical at 6–8 eV, π →3dxz, π →3dxy and π →ns (n=4, 6, 7, 8) were observed firstly with the aid of time-of-flight mass spectros copy and resonance-enhanced multiphoton ionization technique. Vibrational progression ofv 7(C3 bend) with gross spacing of about 430 cm−1 was observed inns Rydberg states. The adiabatic ionization potential of the allyl radical was obtained to be (65641 ± 20) cm−1 ((8.138 ± 0.002) eV) by fitting the term values ofns (n=4,6,7,8) Rydberg states with Rydberg formula.
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Li, R., Wu, JC., Chang, JL. et al. Vibronic spectra of the allyl radical at 6–8 eV with resonance-enhanced multiphoton ionization technique. Sc. China Ser. B-Chem. 44, 360–365 (2001). https://doi.org/10.1007/BF02879810
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DOI: https://doi.org/10.1007/BF02879810