Effective potentials for H2O-He and H2O-Ar systems. Isotropic induction-dispersion potentials

Vitali I. Starikov, Tatiana M. Petrova, Alexander M. Solodov, Alexander A. Solodov, Vladimir M. Deichuli

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    Abstract: The vibrational and rotational dependence of the effective isotropic interaction potential of H2O–He and H2O–Ar systems, taken in the form of Lennard-Jones 6–12 potential has been analyzed. The analysis is based on the experimental line broadening (γ) and line shift (δ) coefficients obtained for different vibrational bands of H2O molecule perturbed by He and Ar. The first and second derivatives of the function C(1)(q) for the long-range part of the induction-dispersion potential with respect to the dimensionless normal coordinates q were calculated using literature information for the dipole moment and mean polarizability functions μ(q) and α(q), respectively. These derivatives have been used in the calculations of the quantities which determine the vibrational and rotational dependence of the long-range part of the effective isotropic potential. The optimal set of the derivatives for the function C(1)(q) is proposed. The comparison with the experimental data has been performed. Graphical abstract: [Figure not available: see fulltext.].

    Original languageEnglish
    Article number108
    JournalEuropean Physical Journal D
    Volume71
    Issue number5
    DOIs
    Publication statusPublished - 1 May 2017

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    induction
    Lennard-Jones potential
    dipole moments
    shift
    coefficients
    molecules
    interactions

    Keywords

    • Molecular Physics and Chemical Physics

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Starikov, V. I., Petrova, T. M., Solodov, A. M., Solodov, A. A., & Deichuli, V. M. (2017). Effective potentials for H2O-He and H2O-Ar systems. Isotropic induction-dispersion potentials. European Physical Journal D, 71(5), [108]. https://doi.org/10.1140/epjd/e2017-70685-9

    Effective potentials for H2O-He and H2O-Ar systems. Isotropic induction-dispersion potentials. / Starikov, Vitali I.; Petrova, Tatiana M.; Solodov, Alexander M.; Solodov, Alexander A.; Deichuli, Vladimir M.

    In: European Physical Journal D, Vol. 71, No. 5, 108, 01.05.2017.

    Research output: Contribution to journalArticle

    Starikov, Vitali I. ; Petrova, Tatiana M. ; Solodov, Alexander M. ; Solodov, Alexander A. ; Deichuli, Vladimir M. / Effective potentials for H2O-He and H2O-Ar systems. Isotropic induction-dispersion potentials. In: European Physical Journal D. 2017 ; Vol. 71, No. 5.
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    AU - Petrova, Tatiana M.

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    AU - Solodov, Alexander A.

    AU - Deichuli, Vladimir M.

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    N2 - Abstract: The vibrational and rotational dependence of the effective isotropic interaction potential of H2O–He and H2O–Ar systems, taken in the form of Lennard-Jones 6–12 potential has been analyzed. The analysis is based on the experimental line broadening (γ) and line shift (δ) coefficients obtained for different vibrational bands of H2O molecule perturbed by He and Ar. The first and second derivatives of the function C(1)(q) for the long-range part of the induction-dispersion potential with respect to the dimensionless normal coordinates q were calculated using literature information for the dipole moment and mean polarizability functions μ(q) and α(q), respectively. These derivatives have been used in the calculations of the quantities which determine the vibrational and rotational dependence of the long-range part of the effective isotropic potential. The optimal set of the derivatives for the function C(1)(q) is proposed. The comparison with the experimental data has been performed. Graphical abstract: [Figure not available: see fulltext.].

    AB - Abstract: The vibrational and rotational dependence of the effective isotropic interaction potential of H2O–He and H2O–Ar systems, taken in the form of Lennard-Jones 6–12 potential has been analyzed. The analysis is based on the experimental line broadening (γ) and line shift (δ) coefficients obtained for different vibrational bands of H2O molecule perturbed by He and Ar. The first and second derivatives of the function C(1)(q) for the long-range part of the induction-dispersion potential with respect to the dimensionless normal coordinates q were calculated using literature information for the dipole moment and mean polarizability functions μ(q) and α(q), respectively. These derivatives have been used in the calculations of the quantities which determine the vibrational and rotational dependence of the long-range part of the effective isotropic potential. The optimal set of the derivatives for the function C(1)(q) is proposed. The comparison with the experimental data has been performed. Graphical abstract: [Figure not available: see fulltext.].

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