High resolution study of strongly interacting v(1)(A(1))/v(3)(F-2) bands of (GeH4)-Ge-M (M=76, 74)

Abstract

The infrared spectra of GeH₄ were measured in the 1900-2300cm^-1 region with a high resolution of 0.003cm^-1 at different pressures with the Bruker IFS 125HR Fourier transform interferometer (Nizhny Novgorod, Russia) and were analyzed theoretically. 1550 transitions with J^max.=31 were assigned to the ν₃ and ν₁ bands of ⁷⁶GeH₄. Rotational, centrifugal distortion, tetrahedral splitting, and resonance interaction parameters for the (0010) and (1000) vibrational states were determined from the fit of experimental line positions. The obtained set of parameters reproduces the initial experimental data with accuracy close to experimental uncertainties. The result of analogous analysis of the ⁷⁴GeH₄ isotopologue (the number of assigned transitions is 750 with J^max.=27) is presented also.

Original language	English
Pages (from-to)	161-174
Number of pages	14
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	164
DOIs	https://doi.org/10.1016/j.jqsrt.2015.06.003
Publication status	Published - 1 Oct 2015

Keywords

v(1)/v(3) interacting states of GeH4
High resolution spectrum of GeH4
Spectroscopic parameters

ASJC Scopus subject areas

Spectroscopy
Atomic and Molecular Physics, and Optics
Radiation

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10.1016/j.jqsrt.2015.06.003

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High resolution study of strongly interacting v(1)(A(1))/v(3)(F-2) bands of (GeH4)-Ge-M (M=76, 74). / Koshelev, M. A.; Velmuzhov, A. P.; Velmuzhova, I. A.; Sennikov, P. G.; Raspopova, Natalia Ivanovna ; Bekhtereva, E. S.; Gromova, O. V.; Ulenikov, O. N.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 164, 01.10.2015, p. 161-174.

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title = "High resolution study of strongly interacting v(1)(A(1))/v(3)(F-2) bands of (GeH4)-Ge-M (M=76, 74)",

abstract = "The infrared spectra of GeH4 were measured in the 1900-2300cm-1 region with a high resolution of 0.003cm-1 at different pressures with the Bruker IFS 125HR Fourier transform interferometer (Nizhny Novgorod, Russia) and were analyzed theoretically. 1550 transitions with Jmax.=31 were assigned to the ν3 and ν1 bands of 76GeH4. Rotational, centrifugal distortion, tetrahedral splitting, and resonance interaction parameters for the (0010) and (1000) vibrational states were determined from the fit of experimental line positions. The obtained set of parameters reproduces the initial experimental data with accuracy close to experimental uncertainties. The result of analogous analysis of the 74GeH4 isotopologue (the number of assigned transitions is 750 with Jmax.=27) is presented also.",

keywords = "v(1)/v(3) interacting states of GeH4, High resolution spectrum of GeH4, Spectroscopic parameters",

author = "Koshelev, {M. A.} and Velmuzhov, {A. P.} and Velmuzhova, {I. A.} and Sennikov, {P. G.} and Raspopova, {Natalia Ivanovna} and Bekhtereva, {E. S.} and Gromova, {O. V.} and Ulenikov, {O. N.}",

year = "2015",

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doi = "10.1016/j.jqsrt.2015.06.003",

language = "English",

volume = "164",

pages = "161--174",

journal = "Journal of Quantitative Spectroscopy and Radiative Transfer",

issn = "0022-4073",

publisher = "Elsevier Limited",

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AU - Koshelev, M. A.

AU - Velmuzhov, A. P.

AU - Velmuzhova, I. A.

AU - Sennikov, P. G.

AU - Raspopova, Natalia Ivanovna

AU - Bekhtereva, E. S.

AU - Gromova, O. V.

AU - Ulenikov, O. N.

PY - 2015/10/1

Y1 - 2015/10/1

N2 - The infrared spectra of GeH4 were measured in the 1900-2300cm-1 region with a high resolution of 0.003cm-1 at different pressures with the Bruker IFS 125HR Fourier transform interferometer (Nizhny Novgorod, Russia) and were analyzed theoretically. 1550 transitions with Jmax.=31 were assigned to the ν3 and ν1 bands of 76GeH4. Rotational, centrifugal distortion, tetrahedral splitting, and resonance interaction parameters for the (0010) and (1000) vibrational states were determined from the fit of experimental line positions. The obtained set of parameters reproduces the initial experimental data with accuracy close to experimental uncertainties. The result of analogous analysis of the 74GeH4 isotopologue (the number of assigned transitions is 750 with Jmax.=27) is presented also.

AB - The infrared spectra of GeH4 were measured in the 1900-2300cm-1 region with a high resolution of 0.003cm-1 at different pressures with the Bruker IFS 125HR Fourier transform interferometer (Nizhny Novgorod, Russia) and were analyzed theoretically. 1550 transitions with Jmax.=31 were assigned to the ν3 and ν1 bands of 76GeH4. Rotational, centrifugal distortion, tetrahedral splitting, and resonance interaction parameters for the (0010) and (1000) vibrational states were determined from the fit of experimental line positions. The obtained set of parameters reproduces the initial experimental data with accuracy close to experimental uncertainties. The result of analogous analysis of the 74GeH4 isotopologue (the number of assigned transitions is 750 with Jmax.=27) is presented also.

KW - v(1)/v(3) interacting states of GeH4

KW - High resolution spectrum of GeH4

KW - Spectroscopic parameters

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