On the displacements of centers of vibration-rotation bands under isotope substitution in polyatomic molecules

Abstract

The effect of isotope substitution in polyatomic molecules on the displacements of absorption vibration-rotation band centers is considered. Formulas are obtained that allow the band-center displacements to be calculated in harmonic approximation and with anharmonicity. The effect of resonance interactions is also considered. The results obtained are illustrated by numerical calculation for a number of molecules.

Original language	English
Pages (from-to)	46-54
Number of pages	9
Journal	Journal of Molecular Spectroscopy
Volume	93
Issue number	1
DOIs	https://doi.org/10.1016/0022-2852(82)90273-9
Publication status	Published - 1982
Externally published	Yes

ASJC Scopus subject areas

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

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10.1016/0022-2852(82)90273-9

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title = "On the displacements of centers of vibration-rotation bands under isotope substitution in polyatomic molecules",

abstract = "The effect of isotope substitution in polyatomic molecules on the displacements of absorption vibration-rotation band centers is considered. Formulas are obtained that allow the band-center displacements to be calculated in harmonic approximation and with anharmonicity. The effect of resonance interactions is also considered. The results obtained are illustrated by numerical calculation for a number of molecules.",

author = "Bykov, {A. D.} and Makushkin, {Yu S.} and Ulenikov, {O. N.}",

year = "1982",

doi = "10.1016/0022-2852(82)90273-9",

language = "English",

volume = "93",

pages = "46--54",

journal = "Journal of Molecular Spectroscopy",

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publisher = "Academic Press Inc.",

number = "1",

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AU - Bykov, A. D.

AU - Makushkin, Yu S.

AU - Ulenikov, O. N.

PY - 1982

Y1 - 1982

N2 - The effect of isotope substitution in polyatomic molecules on the displacements of absorption vibration-rotation band centers is considered. Formulas are obtained that allow the band-center displacements to be calculated in harmonic approximation and with anharmonicity. The effect of resonance interactions is also considered. The results obtained are illustrated by numerical calculation for a number of molecules.

AB - The effect of isotope substitution in polyatomic molecules on the displacements of absorption vibration-rotation band centers is considered. Formulas are obtained that allow the band-center displacements to be calculated in harmonic approximation and with anharmonicity. The effect of resonance interactions is also considered. The results obtained are illustrated by numerical calculation for a number of molecules.

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