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ANALYSIS OF THE FIRST AND SECOND TRIADS OF $H_{2}S$ FROM 2200 TO $4100 CM^{-1}$

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/13712

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Title: ANALYSIS OF THE FIRST AND SECOND TRIADS OF $H_{2}S$ FROM 2200 TO $4100 CM^{-1}$
Creators: Brown, L. R.; Crisp, J. A.; Crisp, D.; Perrin, A.; Bykov, A. D.; Naumenko, O. V.; Smirnov, M. A.; Sinitsa, L.
Issue Date: 1996
Abstract: The 1800 - $5400 cm^{-1}$ region of $H_{2}S$ was recorded at $0.011 cm^{-1}$ resolution using the McMath Fourier transform spectrometer located at Kitt Peak National Observatory. The positions of the first triad [2 $v_{2}$, $v_{1}$ and $v_{3}$] near 4 $\mu$m and the second triad [3 $v_{2}, v_{3} + v_{2}$ and $v_{2}$ + $v_{3}$] near 2.7 $\mu$m were obtained for $H_{2}^{32}S$, $H_{2}^{34}S$ and $H_{2}^{33}S$. The experimental upper states were fitted to the A-reduced Watson Hamiltonian to determine precise sets of rotational constants and Fermi and Coriolis coupling parameters. Line intensities of $H_{2}^{32}S$ up to $J = 17$ and $K = 12$ were measured and modelled to $\pm$2.5% using the 564 intensities of the first triad and 526 intensities of the second triad. The coefficients of the transformed moment expansion were obtained, corresponding to band strengths in $cm^{-3}$/atm at 296 K of: 0.33 for 2 $v_{2}$, 0.45 for $v_{1}$ and 0.12 for $v_{3}$, 0.03 for 3 $v_{2}$, 1.82 for $v_{1}$ + $v_{3}$ and 2.87 for $v_{2} + v_{3}$ Part of the research reported in this paper was performed at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration
URI: http://hdl.handle.net/1811/13712
Other Identifiers: 1996-WE-02
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