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  • 1
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 106 (1997), S. 4367-4375 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The jet-cooled laser induced fluorescence excitation spectrum of the A˜ 1A′′−X˜ 1A band system of DSiF has been observed using the pulsed discharge jet technique. Vibrational analysis of the spectrum yielded upper state harmonic vibrational frequencies of ω1=1322, ω2=444, and ω3=867 cm−1. Vibronic bands involving all of the upper state fundamentals of HSiF and DSiF have now been rotationally analyzed, allowing a determination of the excited state equilibrium structure as re′(SiH)=1.526±0.014 Å, re′(SiF)=1.597±0.003 Å, and θe′(HSiF)=115.0±0.6°. The harmonic frequencies and centrifugal distortion constants were used to obtain harmonic force fields and average (rz) structures for the ground and excited states. The ground state average structure was used to estimate the equilibrium structure of re″(SiH)=1.528±0.005 Å, re″(SiF)=1.603±0.003 Å, and θe″(HSiF)=96.9±0.5°. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
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