High–resolution FTIR spectroscopic study of 73GeH4 up to 2300 cm−1

O. N. Ulenikov, O. V. Gromova, E. S. Bekhtereva, N. I. Raspopova, M. A. Koshelev, I. A. Velmuzhova, A. D. Bulanov, P. G. Sennikov

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Abstract

The spectra of germane enriched up to 99.9 % of 73GeH4 were recorded with a high resolution (0.003 cm−1) at different pressures with the Bruker IFS 125HR Fourier transform spectrometer (Nizhny Novgorod, Russia) in the region of 650–4400 cm−1 and analyzed in the Dyad and Pentad region. The 9208 transitions belonging to the seven “cold” bands (6987 transitions) of the Dyad and Pentad and to the nine “hot” Dyad–Pentad bands (2221 transitions) were assigned and theoretically analysed in the frame of the effective Hamiltonian model. The obtained set of 68 fitted parameters reproduces the initial 9208 experimental line positions with the drms=2.82×10−4 cm−1.

Original languageEnglish
Pages (from-to)129-137
Number of pages9
JournalJournal of Quantitative Spectroscopy and Radiative Transfer
Volume221
DOIs
Publication statusPublished - 1 Dec 2018

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ASJC Scopus subject areas

  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Spectroscopy

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