Abstract
The multiphoton ionization spectrum of trans-1,3-butadiene has been measured from dye laser wavelengths of 365 to 468 nm using an intensity-corrected system. In the four-photon ionization region to lower energy than 405 nm, many three-photon resonances with Rydberg states are seen and a new series with a quantum defect of 0.04 is identified. The symmetries of the observed Rydberg series are discussed. Above 405 nm in energy, a resonance occurs with the ? state seen in one-photon absorption spectra, only the structure in the multiphoton ionization spectrum is characteristic of an allowed two-photon resonance. From the vibronic structure of this state, it is argued that it has symmetry 1Bg. In the region covered by this study (42 700 to 54 800 cm−1 in two-photon energy) no state was found to which a 1Ag symmetry designation could be applied.
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (Feb. 27, 2003, 5:10 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 10:12 a.m.) |
Indexed | 1 year, 6 months ago (Feb. 10, 2024, 10:57 p.m.) |
Issued | 49 years, 2 months ago (June 1, 1976) |
Published | 49 years, 2 months ago (June 1, 1976) |
Published Print | 49 years, 2 months ago (June 1, 1976) |
@article{Johnson_1976, title={The multiphoton ionization spectrum of t r a n s-1,3-butadiene}, volume={64}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.432048}, DOI={10.1063/1.432048}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Johnson, Philip M.}, year={1976}, month=jun, pages={4638–4644} }