Absorption spectrum of H2S between 7200 and 7890 cm-1

L. R. Brown; O. V. Naumenko; E. R. Polovtseva; Leonid N. Sinitsa

doi:10.1117/12.548211

27 February 2004 Absorption spectrum of H2S between 7200 and 7890 cm-1

L. R. Brown, O. V. Naumenko, E. R. Polovtseva, Leonid N. Sinitsa

Proceedings Volume 5396, Tenth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part I: Radiation Propagation in the Atmosphere and Ocean; (2004) https://doi.org/10.1117/12.548211
Event: Tenth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics, 2003, Tomsk, Russian Federation

Abstract

The high resolution absorption spectra of H₂S have been recorded in the region 7200-7890 cm^-1 with the McMath Fourier transform spectrometer located at Kitt Peak National Observatory. A careful analysis of the spectra led to derivation of 1080 precise energy levels for the 1st decade interacting states of H₂³²S, H₂³³S, and H₂³⁴S isotope species. The energy levels were introduced into a least squares fit using a Hamiltonian which takes into account Coriolis, Darling-Dennison and Fermi-resonance interactions. Precise rotational and coupling parameters have been determined which reproduce the experimental energy levels with 0.0015 cm^-1 for the main isotope species. The experimental band origin E_v=7419.9162 cm^-1 for the super weak (220)-(000) band was obtained for the first time from the simultaneous analysis of cold (220)-(000) and hot (220)-(010) bands. Detailed and accurate H₂S absorption line list was generated in the HITRAN format for the first decade spectral region.

Citation Download Citation

L. R. Brown, O. V. Naumenko, E. R. Polovtseva, and Leonid N. Sinitsa "Absorption spectrum of H2S between 7200 and 7890 cm-1", Proc. SPIE 5396, Tenth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part I: Radiation Propagation in the Atmosphere and Ocean, (27 February 2004); https://doi.org/10.1117/12.548211

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