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CHEMICAL REACTION JET SPECTROSCOPY OF THE $\tilde{A}^{1}A" - \tilde{X}^{1}A'$ 430 NM BAND SYSTEM OF HSiF

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/29532

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Title: CHEMICAL REACTION JET SPECTROSCOPY OF THE $\tilde{A}^{1}A" - \tilde{X}^{1}A'$ 430 NM BAND SYSTEM OF HSiF
Creators: Harper, Warren W.; Karolczak, Jerzy; Clouthier, Dennis J.; Ross, Stephen C.
Issue Date: 1995
Abstract: Jet-cooled LIF spectra of the 430 nm band system of HSiF were obtained by the reaction of molecular fluorine with silane in the throat of a continuous supersonic jet. Vibrational analysis of the spectrum gave upper state harmonic vibrational frequencies of $\nu_{1} = 1549 cm^{-1}, \nu_{2} = 567 cm^{-1}$ and $\nu_{3} = 859 cm^{-1}$. Seven bands were recorded at high resolution and rotationally analyzed, providing excited state rotational constants. The upper state vibrational and rotational bending levels were fitted to a semi-rigid bender model to obtain the equilibrium geometry and barrier to linearity. These will be discussed in comparison with recent ab initio calculations of the excited state properties.
URI: http://hdl.handle.net/1811/29532
Other Identifiers: 1995-MJ-07
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