Second Virial Coefficients of Helium from the Exp-Six Potential

John E. Kilpatrick; William E. Keller; Edward F. Hammel

doi:10.1103/PhysRev.97.9

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Second Virial Coefficients of Helium from the Exp-Six Potential

John E. Kilpatrick^*, William E. Keller, and Edward F. Hammel

Los Alamos Scientific Laboratory, University of California, Los Alamos, New Mexico

^*Department of Chemistry, The Rice Institute, Houston, Texas.

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Phys. Rev. 97, 9 – Published 1 January, 1955

DOI: https://doi.org/10.1103/PhysRev.97.9

Abstract

A set of potential constants for the He-He exp-six intermolecular potential has been found which leads to calculated results in good agreement with the experimental second virial coefficients of ${He}^{4}$ both at high and at low temperatures and with the high-temperature viscosity and thermal conductivity data. A table of the second virial coefficients of ${He}^{3}$ and ${He}^{4}$ over the temperature range 0.3°K to 60°K is given. The position of a negative discrete energy as a function of some of the parameters of the exp-six potential has been investigated.

References (8)

Kilpatrick, Keller, Hammel, and Metropolis, Phys. Rev. 94, 1103 (1954)
E. A. Mason, J. Chem. Phys. 22, 169 (1954)
W. E. Rice and J. O. Hirschfelder, J. Chem. Phys. 22, 187 (1954)
E. A. Mason and W. E. Rice, J. Chem. Phys. 22, 522 (1954)
W. E. Keller, preceding paper [Phys. Rev. 97, 1 (1955)]
J. C. Slater and J. G. Kirkwood, Phys. Rev. 37, 682 (1931)
E. A. Mason and W. E. Rice (private communication)
J. E. Kilpatrick and M. F. Kilpatrick, J. Chem. Phys. 19, 930 (1951)

[c1] Kilpatrick, Keller, Hammel, and Metropolis, Phys. Rev. 94, 1103 (1954)

[c2] E. A. Mason, J. Chem. Phys. 22, 169 (1954)

[c3] W. E. Rice and J. O. Hirschfelder, J. Chem. Phys. 22, 187 (1954)

[c4] E. A. Mason and W. E. Rice, J. Chem. Phys. 22, 522 (1954)

[c5] W. E. Keller, preceding paper [Phys. Rev. 97, 1 (1955)]

[c6] J. C. Slater and J. G. Kirkwood, Phys. Rev. 37, 682 (1931)

[c7] E. A. Mason and W. E. Rice (private communication)

[c8] J. E. Kilpatrick and M. F. Kilpatrick, J. Chem. Phys. 19, 930 (1951)

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Second Virial Coefficients of Helium from the Exp-Six Potential

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References (8)

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