Vibrational levels of p-xylene cation determined by mass-analyzed threshold ionization spectroscopy

Mass-analyzed threshold ionization (MATI) spectroscopy and two-color resonant two-photon ionization method were used for the determination of the vibrational levels of the p-xylene cation. The MATI spectrum was recorded via the 0 0 vibrationless level of the S 1 state of p-xylene. The spectrum shows...

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Bibliographic Details
Published in:Chemical physics letters 2003-10, Vol.380 (3), p.337-341
Main Authors: Zhang, Bing, Aigner, Udo, Ludwig Selzle, Heinrich, William Schlag, Edward
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Mass spectra
Molecular properties and interactions with photons
Physics
Properties of molecules and molecular ions
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Summary:Mass-analyzed threshold ionization (MATI) spectroscopy and two-color resonant two-photon ionization method were used for the determination of the vibrational levels of the p-xylene cation. The MATI spectrum was recorded via the 0 0 vibrationless level of the S 1 state of p-xylene. The spectrum shows a rich structure and some vibrational frequencies of the cation are determined. The experimental findings are well supported by ab initio calculation.
ISSN:0009-2614
1873-4448
DOI:10.1016/j.cplett.2003.09.033