We report the results of a study on the vibrational structure in the (n, 3s) Rydberg state of iso-butanal, carried out via 2 + 1 multiphoton ionization spectroscopy in a supersonic expansion. Spectra were recorded for both the normal species, (CH 3 ) 2 CHCHO, and the deuterated isotopomer, (CH 3 ) 2
Polarization Measurements of the Resonant Multiphoton Ionization Spectrum of the 3s Rydberg States of Monomethylpyridines
β Scribed by C. Kosmidis; A. Bolovinos; P. Tsekeris
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 271 KB
- Volume
- 160
- Category
- Article
- ISSN
- 0022-2852
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β¦ Synopsis
The circular to linear polarization ratio for the two-photon excitation of the (3 s) Rydberg states of monomethylpyridines has been measured by (2+1) resonant MPI spectroscopy in a static cell. The symmetry of the Rydberg vibrational bands is deduced and the results from the (0-0) transition suggest that the highest occupied MO of 4 -methylpyridine is an (n) MO, while that for 2- and 3methylpyridines is a (\pi)-type one. 1993 Academic Press. Inc.
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