Spectrum (310 to 360 nm) and ionization potential of the silyl radical
AIP Conf. Proc. -- October 20, 1989 -- Volume 191, pp. 497-499
ADVANCES IN LASER SCIENCE−IV;
doi:10.1063/1.38617
Issue Date: 20 October 1989
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The spectra of the silyl radical (SiH3) and its perdeuterated analogue (SiD3) have been observed by resonance enhanced multiphoton ionization spectroscopy. The spectra arise from two-photon excitation to the 5p, 6p and 7p Rydberg states. In the SiH3 5p state a vibrational progression of the symmetric deformation mode
2 with spacings of ~825 cm−1 are observed. The vibrational spacings are 600–620 cm−1 for SiD3. The observation of several Rydberg states allows a determination of the ionization potentials. They are 8.128 eV for SiD3 and 8.135 eV for SiH3.
2 with spacings of ~825 cm−1 are observed. The vibrational spacings are 600–620 cm−1 for SiD3. The observation of several Rydberg states allows a determination of the ionization potentials. They are 8.128 eV for SiD3 and 8.135 eV for SiH3.
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KEYWORDS and PACS
IONIZATION POTENTIAL,
SILANES,
MULTI&minus,
PHOTON PROCESSES,
PHOTOIONIZATION,
RYDBERG STATES,
VIBRATIONAL STATES,
LASER SPECTROSCOPY
- 33.80.Rv
Molecular spectra and interactions of molecules with photons Photon interactions with molecules Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states) - 35.20.Vf
Experimentally derived information on atoms and molecules; instrumentation and techniques Molecules Ionization potentials, electron affinities, molecular core binding energy - YEAR: 1988-89
PUBLICATION DATA
0094-243X (print)
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