Vibrational Dependences of Broadening and Shift Coefficients of H2O Absorption Lines Perturbed by Ne, Kr, and Xe

V. I. Starikov

    Research output: Contribution to journalArticle

    Abstract

    The dependence of the intermolecular interaction potentials on the vibrational quantum numbers of the H2O molecule is derived for the H2O–Ne, H2O–Kr, and H2O–Xe systems. The broadening γ and shift δ coefficients are calculated for seven vibrational bands ν1, ν2, ν3, 2ν2, ν1 + ν2, ν2 + ν3, and ν1 + ν2 + ν3 of the H2O molecule from the absorption region 640–9550 cm−1. An analytical formula is suggested for calculation of the broadening coefficients γ at T = 296 K. It is shown that the excitation of stretching modes of the vibrations in the H2O molecule increases the broadening coefficients. The influence of the bending vibrations on γ is insignificant.

    Original languageEnglish
    Pages (from-to)335-345
    Number of pages11
    JournalAtmospheric and Oceanic Optics
    Volume31
    Issue number4
    DOIs
    Publication statusPublished - 1 Jul 2018

    Fingerprint

    vibration
    shift
    coefficients
    molecules
    bending vibration
    quantum numbers
    excitation
    interactions
    calculation

    Keywords

    • krypton
    • line broadening
    • neon
    • vibrational dependence
    • water vapor
    • xenon

    ASJC Scopus subject areas

    • Oceanography
    • Atomic and Molecular Physics, and Optics
    • Earth-Surface Processes
    • Atmospheric Science

    Cite this

    Vibrational Dependences of Broadening and Shift Coefficients of H2O Absorption Lines Perturbed by Ne, Kr, and Xe. / Starikov, V. I.

    In: Atmospheric and Oceanic Optics, Vol. 31, No. 4, 01.07.2018, p. 335-345.

    Research output: Contribution to journalArticle

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