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Journal of Chemical Physics / Volume 125 / Issue 16 / ARTICLES / Gas Phase Dynamics and Structure: Spectroscopy, Molecular Interactions, Scattering, and Photochemistry

J. Chem. Phys. 125, 164325 (2006); http://dx.doi.org/10.1063/1.2363197 (4 pages)

Testing ion-neutral interaction potentials using calculated ion transport coefficients

M. J. Hogan

Mathematics and Science Department, United States Merchant Marine Academy, Kings Point, New York 11024

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(Received 24 August 2006; accepted 19 September 2006; published online 27 October 2006)

Several commonly measured ion transport coefficients were investigated in order to determine their sensitivity for testing and comparing proposed ion-neutral interaction potentials. A variety of positive ions, negative ions, neutrals, and temperatures were included in order to draw as general a conclusion as possible. All transport coefficients considered were found to be sufficiently sensitive to be used to clearly distinguish between less and more accurate interaction potentials. It was also found that the longitudinal diffusion coefficient is the most sensitive test, followed by both the transverse diffusion coefficient and the ratio of the longitudinal diffusion coefficient to mobility, followed by the ratio of the transverse diffusion coefficient to mobility and that the mobility is the least sensitive test. When presently achievable levels of experimental error were also taken into account, however, there was no significant difference in the sensitivities.

© 2006 U.S. Government

Article Outline

  1. INTRODUCTION
  2. ANALYSIS METHOD
  3. RESULTS AND DISCUSSION
  4. CONCLUSION

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KEYWORDS and PACS

Keywords

diffusion, potential energy functions, kinetic theory

PACS

  • 51.10.+y

    Kinetic and transport theory of gases

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2363197

PUBLICATION DATA

ISSN

0021-9606 (print)  
1089-7690 (online)

Publisher

$abstract.society.value is a Member of CrossRef U.S. Government

For access to fully linked references, you need to log in.
    T. L. Tan, P. P. Ong, and M. J. Hogan, J. Chem. Phys. 100, 586 (1994)JCPSA6000100000001000586000001.

    L. A. Viehland, J. Lozeille, P. Soldán, E. P. F. Lee, and T. G. Wright, J. Chem. Phys. 121, 341 (2004)JCPSA6000121000001000341000001.

    M. J. Hogan and P. P. Ong, J. Chem. Phys. 95, 1973 (1991)JCPSA6000095000003001973000001.

    P. P. Ong, M. J. Hogan, K. Y. Lam, and L. A. Viehland, Phys. Rev. A 45, 3997 (1992).

    A. D. Koutselos, E. A. Mason, and L. A. Viehland, J. Chem. Phys. 93, 7125 (1990)JCPSA6000093000010007125000001.


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