Observation of the 3s 2A1 Rydberg States of Allyl and 2-Methylallyl Radicals with Multiphoton Ionization Spectroscopy

Article abstract of DOI:10.1021/j100254a039

Previously unreported bands of allyl, allyl-d₅, and 2-methylallyl radicals have been detected by mass-resolved, resonance-enhanced multiphoton ionization spectrometry.Focused laser light between 480 and 535 nm induced two-photon absorptions preparing the 3s ²A₁ Rydberg states of the radicals.Absorption of two additioal photons ionized the excited radicals.These electronic states of allyl and 2-methylallyl radicals lie at 40085 and 38369 cm^-1, respectively.No subsequent fragmentation of the molecular ions was observed.