Local mode spectroscopic study of the AsH3 molecule: The perturbed (500) local mode overtone

Hai Lin, Oleg N. Ulenikov, Igor M. Olekhnovitch, Dong Wang, Xi Yi Chen, Lu Yuan Hao, Qing Shi Zhu

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Abstract

The high resolution Fourier transform spectra of AsH3 in the region of 9720-9900 cm-1, which had been recorded at a resolution of 0.015cm-1, were assigned to the (500; A1) and (500; E) local mode overtones and rotationally analyzed. The effective spectroscopic parameters were obtained by nonlinear least-squares fitting the vibration-rotational Hamiltonian with the rotational energy levels up to J = 6 (98 levels in all) included. The evolution of the rotational energy patterns from υ = 1 to υ = 6 shows that the tendency of normal mode to local mode vibration evolution has been stopped by perturbations in relatively high energy region.

Original languageEnglish
Pages (from-to)113-118
Number of pages6
JournalChinese Physics
Volume9
Issue number2
DOIs
Publication statusPublished - Jan 2000

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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