Resonant MPI spectrum of allyl radicals

David W. Minsek; Joel A. Blush; Peter Chen

doi:10.1117/12.58166

1 April 1992 Resonant MPI spectrum of allyl radicals

David W. Minsek, Joel A. Blush, Peter Chen

Proceedings Volume 1638, Optical Methods for Time- and State-Resolved Chemistry; (1992) https://doi.org/10.1117/12.58166
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

A mass-selected, partially rotationally resolved, resonant multiphoton ionization spectrum of the allyl radical, C₃H₅, is reported. Photoelectron spectroscopy, isotopic labelling, and rotational analysis establish that the band system corresponds to the 2²B₁ $IMP 1²A₂ transition, with an origin band at 248.15 nm. Spectral simulation indicates that the equilibrium CCC bond angle of the radical decreases from 124.6 degree(s) in the ground state to 117.5 degree(s) in the excited state.

Citation Download Citation

David W. Minsek, Joel A. Blush, and Peter Chen "Resonant MPI spectrum of allyl radicals", Proc. SPIE 1638, Optical Methods for Time- and State-Resolved Chemistry, (1 April 1992); https://doi.org/10.1117/12.58166

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