Precise Study of the Lowest Vibration-Rotational Bands ν₅ and ν₃/ν₆ of the CHD₃ Molecule

O. N. Ulenikov, G. A. Onopenko, N. E. Tyabaeva, S. Alanko, M. Koivusaari, R. Anttila

Research School of High-Energy Physics

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Abstract

The high-resolution absorption spectrum of the CHD₃ molecule has been measured on a Fourier transform spectrometer in the region of the ν₅ and ν₃/ν₆ bands and analyzed for the first time by taking into account a₁ -a₂ (K = 3) splittings of the ground vibrational state. The problem of ambiguity in determining the corresponding ∈̃ parameter of the ground vibrational state was solved on the basis of the analysis of the rotational structure of the ν₅ band. Numerous a₁-a₂ splittings for the states with K^upper = 1, 2, 4, 5, 7 in the ν₅ and ν₆ bands are described.

Original language	English
Pages (from-to)	293-313
Number of pages	21
Journal	Journal of Molecular Spectroscopy
Volume	186
Issue number	2
DOIs	https://doi.org/10.1006/jmsp.1997.7431
Publication status	Published - 1 Jan 1997

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ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry

Cite this

Ulenikov, O. N., Onopenko, G. A., Tyabaeva, N. E., Alanko, S., Koivusaari, M., & Anttila, R. (1997). Precise Study of the Lowest Vibration-Rotational Bands ν₅ and ν₃/ν₆ of the CHD₃ Molecule. Journal of Molecular Spectroscopy, 186(2), 293-313. https://doi.org/10.1006/jmsp.1997.7431

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abstract = "The high-resolution absorption spectrum of the CHD3 molecule has been measured on a Fourier transform spectrometer in the region of the ν5 and ν3/ν6 bands and analyzed for the first time by taking into account a1 -a2 (K = 3) splittings of the ground vibrational state. The problem of ambiguity in determining the corresponding ∈̃ parameter of the ground vibrational state was solved on the basis of the analysis of the rotational structure of the ν5 band. Numerous a1-a2 splittings for the states with Kupper = 1, 2, 4, 5, 7 in the ν5 and ν6 bands are described.",

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AU - Tyabaeva, N. E.

AU - Alanko, S.

AU - Koivusaari, M.

AU - Anttila, R.

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10.1006/jmsp.1997.7431