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(0 0 0) and (0 1 0) energy levels of the HD 18O and D 2 18 O molecules from analysis of their ν 2 bands

Liu, An-Wen ; Song, Ke-Feng ; Ni, Hong-Yu ; Hu, Shui-Ming ; Naumenko, Olga V. ; Vasilenko, Irina A. ; Mikhailenko, Semen N.

Journal of molecular spectroscopy, 2011, Vol.265 (1), p.26-38 [Periódico revisado por pares]

Elsevier Inc

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  • Título:
    (0 0 0) and (0 1 0) energy levels of the HD 18O and D 2 18 O molecules from analysis of their ν 2 bands
  • Autor: Liu, An-Wen ; Song, Ke-Feng ; Ni, Hong-Yu ; Hu, Shui-Ming ; Naumenko, Olga V. ; Vasilenko, Irina A. ; Mikhailenko, Semen N.
  • Assuntos: Absorption spectrum ; formula omitted ; Fourier transform spectroscopy ; HD 18O ; Rotation-vibration assignments ; Water molecule
  • É parte de: Journal of molecular spectroscopy, 2011, Vol.265 (1), p.26-38
  • Descrição: High-resolution Fourier-transform spectra of water samples enriched by deuterium and oxygen-18 at room temperature are analyzed in the range 969–2148 cm −1. Line positions of about 2470 transitions up to J max = 22 and K a max = 12 of the ν 2 bands of the HD 18O and D 2 18 O molecules are reported. This has allowed the determination of extended sets of rotational energies of the (0 0 0) and (0 1 0) vibrational states for both molecules. The generation function model of an effective rotational Hamiltonian was used in the data reduction to account for the strong centrifugal distortion of the rotational levels. Values of effective Hamiltonian parameters have been determined. The RMS standard deviations of the least-squares fits of the energy levels were 2.4 × 10 −4 cm −1 for 293 energy levels of the ground state and 3.2 × 10 −4 cm −1 for 281 energy levels of the (010) state of D 2 18 O , and 2.6 × 10 −4 cm −1 for 227 energy levels of the ground state and 4.2 × 10 −4 cm −1 for 246 energy levels of the (0 1 0) state of HD 18O. Comparisons of obtained data with the theoretical predictions as well as with other observations are presented.
  • Editor: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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