First high–resolution comprehensive analysis of 72GeH4 spectra in the Dyad and Pentad regions

Abstract

The spectra of germane ⁷²GeH₄ enriched up to 99.9% in the sample were recorded with high resolution (0.003 cm−1) at different pressures with the Bruker IFS 125HR Fourier transform spectrometer (Nizhny Novgorod, Russia). The region of 700–4400 cm−1, where the Dyad and Pentad are located, was theoretically analyzed. The 9112 transitions belonging to the seven “cold” bands (6761 transitions) of the Dyad and Pentad and to the nine “hot” Dyad–Pentad bands (2351 transitions) were assigned and analyzed with an effective hamiltonian model which takes into account the presence of resonance interactions. The obtained set of 53 fitted parameters reproduces the initial 9112 experimental line positions with a d_rms=2.44×10⁻⁴ cm−1.

Original language	English
Pages (from-to)	206-213
Number of pages	8
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	225
DOIs	https://doi.org/10.1016/j.jqsrt.2018.12.036
Publication status	Published - 1 Mar 2019

Keywords

High resolution spectrum of (72)GeH4
Line positions
Ro-vibrational energies
Spectroscopic parameters

ASJC Scopus subject areas

Radiation
Atomic and Molecular Physics, and Optics
Spectroscopy

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10.1016/j.jqsrt.2018.12.036

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Ulenikov, O. N., Gromova, O. V., Bekhtereva, E. S., Raspopova, N. I., Kuznetsov, A. V., Koshelev, M. A., Velmuzhova, I. A., & Sennikov, P. G. (2019). First high–resolution comprehensive analysis of ⁷²GeH₄ spectra in the Dyad and Pentad regions. Journal of Quantitative Spectroscopy and Radiative Transfer, 225, 206-213. https://doi.org/10.1016/j.jqsrt.2018.12.036

First high–resolution comprehensive analysis of ⁷²GeH₄ spectra in the Dyad and Pentad regions. / Ulenikov, O. N.; Gromova, O. V.; Bekhtereva, E. S.; Raspopova, N. I.; Kuznetsov, A. V.; Koshelev, M. A.; Velmuzhova, I. A.; Sennikov, P. G.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 225, 01.03.2019, p. 206-213.

Research output: Contribution to journal › Article

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title = "First high–resolution comprehensive analysis of 72GeH4 spectra in the Dyad and Pentad regions",

abstract = "The spectra of germane 72GeH4 enriched up to 99.9% in the sample were recorded with high resolution (0.003 cm−1) at different pressures with the Bruker IFS 125HR Fourier transform spectrometer (Nizhny Novgorod, Russia). The region of 700–4400 cm−1, where the Dyad and Pentad are located, was theoretically analyzed. The 9112 transitions belonging to the seven “cold” bands (6761 transitions) of the Dyad and Pentad and to the nine “hot” Dyad–Pentad bands (2351 transitions) were assigned and analyzed with an effective hamiltonian model which takes into account the presence of resonance interactions. The obtained set of 53 fitted parameters reproduces the initial 9112 experimental line positions with a drms=2.44×10−4 cm−1.",

keywords = "High resolution spectrum of (72)GeH4, Line positions, Ro-vibrational energies, Spectroscopic parameters",

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

year = "2019",

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doi = "10.1016/j.jqsrt.2018.12.036",

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

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AU - Ulenikov, O. N.

AU - Gromova, O. V.

AU - Bekhtereva, E. S.

AU - Raspopova, N. I.

AU - Kuznetsov, A. V.

AU - Koshelev, M. A.

AU - Velmuzhova, I. A.

AU - Sennikov, P. G.

PY - 2019/3/1

Y1 - 2019/3/1

N2 - The spectra of germane 72GeH4 enriched up to 99.9% in the sample were recorded with high resolution (0.003 cm−1) at different pressures with the Bruker IFS 125HR Fourier transform spectrometer (Nizhny Novgorod, Russia). The region of 700–4400 cm−1, where the Dyad and Pentad are located, was theoretically analyzed. The 9112 transitions belonging to the seven “cold” bands (6761 transitions) of the Dyad and Pentad and to the nine “hot” Dyad–Pentad bands (2351 transitions) were assigned and analyzed with an effective hamiltonian model which takes into account the presence of resonance interactions. The obtained set of 53 fitted parameters reproduces the initial 9112 experimental line positions with a drms=2.44×10−4 cm−1.

AB - The spectra of germane 72GeH4 enriched up to 99.9% in the sample were recorded with high resolution (0.003 cm−1) at different pressures with the Bruker IFS 125HR Fourier transform spectrometer (Nizhny Novgorod, Russia). The region of 700–4400 cm−1, where the Dyad and Pentad are located, was theoretically analyzed. The 9112 transitions belonging to the seven “cold” bands (6761 transitions) of the Dyad and Pentad and to the nine “hot” Dyad–Pentad bands (2351 transitions) were assigned and analyzed with an effective hamiltonian model which takes into account the presence of resonance interactions. The obtained set of 53 fitted parameters reproduces the initial 9112 experimental line positions with a drms=2.44×10−4 cm−1.

KW - High resolution spectrum of (72)GeH4

KW - Line positions

KW - Ro-vibrational energies

KW - Spectroscopic parameters

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