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Laser-induced fluorescence of CsH: The X1Σ+ state dissociation energy

✍ Scribed by C. Crepin; J. Verges; C. Amiot

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
412 KB
Volume
112
Category
Article
ISSN
0009-2614

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✦ Synopsis

Laser-induced fluorescence of CsH from the A 1 Z+ electronic state to the X t '* state was recorded using high-resohxtion Fourier transform spcctrometry. Ground-state vibrational levels were observed from v" = 1 to the dissociation limit. These measurements showed anomalies in the X 'E+ potential energy cume due to the avoided crossing of ionic and covaicnt potential curves. Accurate moiecuiar constants were derived for the lower X lx* vibrational ievels. The observation of a quasibound level gave the first experimentat determination of the dissociation energy (in cm-'):

14802 G i3e 4 14813.

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