# SPECTROSCOPIC PARAMETERS OF $H_{2}S$ POLYADS BETWEEN 3400 AND $8000 cm^{-1}$

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 Title: SPECTROSCOPIC PARAMETERS OF $H_{2}S$ POLYADS BETWEEN 3400 AND $8000 cm^{-1}$ Creators: Bykov, A. D.; Naumenko, O. V.; Smirnov, M. A.; Sinitsa, L.; Perrin, A.; Crisp, J. A.; Crisp, D.; Brown, L. R. Issue Date: 1995 Publisher: Ohio State University Abstract: The absorption spectra of $H_{2}S$ from 0.8 to $5 \mu m$ were recorded with spectral resolutions of 0.006, 0.012 and $0.021 cm^{-1}$ using the Fourier transform spectrometer at Kitt Peak National Observatory. Twenty bands were previously assigned so that accurate band origins and vibrational parameters could be determined [1]. The present paper will describe the analysis of the rotational structure of resonating $H_{2}S$ states between 3400 and $8000 cm^{-1}$. The energy levels of the second triad $(3700 cm^{-}1)$, first $(5100 cm^{-1})$ and second $(6200 cm^{-1})$ hexades and the first decade $(7500 cm^{-1})$ of ${H_{2}}^{32}S$, ${H_{2}}^{34}S$ and ${H_{2}}^{31}S$ will be reported along with Watson-type Hamiltonian parameters. Intensities measurements and dipole moment parameters for the lower polyad bands will also be given. Finally, the fourfold clustering of rotational levels belonging to the symmetric and asymmetric components of local mode manifolds at a higher degree of strectching excitation will be discussed. Description: 1. A. D. Bykov, O. V. Naumenko, M. A. Smirnov, L. N. Sinitsa, L. R. Brown, J. Crisp, D. Crisp, Can. J. Phys. 72, 989-1000 (1994). 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. The work in Tomsk was supported in part by Grant number N NY3000 from the International Science Foundation. Author Institution: Institute of Atmospheric Optics, Tomsk, 634055, Russia.; "CNRS, Universite P. et M. Curie", Bte 76, 4 Place Jussieu, 75252 Paris Cedex 05, France; California Institute Technology, 4800 Oak Grove Dr., Pasadena, CA 91109, USA. URI: http://hdl.handle.net/1811/29481 Other Identifiers: 1995-MG-01