scholarly journals Low Temperature Second Virial Coefficients for a Lennard‐Jones Gas

1952 ◽  
Vol 20 (11) ◽  
pp. 1670-1672 ◽  
Author(s):  
Leo F. Epstein
Keyword(s):  
Low Temperature ◽  
Virial Coefficients ◽  
Second Virial Coefficients ◽  
Lennard Jones

COMPRESSIBILITY OF GASES AT HIGH TEMPERATURES: IX. SECOND VIRIAL COEFFICIENTS AND THE INTERMOLECULAR POTENTIAL OF NEON

1955 ◽  
Vol 33 (4) ◽  
pp. 589-596 ◽  
Author(s):  
G. A. Nicholson ◽  
W. G. Schneider
Keyword(s):  
Low Temperature ◽  
High Temperatures ◽  
Pressure Range ◽  
Virial Coefficients ◽  
Intermolecular Potential ◽  
Lennard Jones Potential ◽  
Intermolecular Potentials ◽  
Jones Potential ◽  
Second Virial Coefficients ◽  
Lennard Jones

The second virial coefficients of neon have been determined in the temperature range 0° to 700 °C. and the pressure range 10 to 80 atmospheres. These data were combined with published low temperature (−150° to 0 °C.) second virial data, to investigate the intermolecular potentials of neon using both a Lennard-Jones potential, with a 9th and 12th power repulsion term, and also a modified Buckingham exponential–six potential. The agreement between observed and calculated values of B(T) was excellent for both the exponential–six and the Lennard-Jones 12:6 potentials and slightly less satisfactory for the Lennard-Jones 9:6 potential.

scholarly journals Comment on Koo–Hsu Second Virial Coefficients Using a Modified Lennard‐Jones (6, n, γ) Potential

1971 ◽  
Vol 54 (9) ◽  
pp. 4139-4140
Author(s):  
R. E. Caligaris ◽  
C. F. Mosquera ◽  
A. E. Rodriguez
Keyword(s):  
Virial Coefficients ◽  
Second Virial Coefficients ◽  
Lennard Jones

Second virial coefficients at 300-500 K for butane, tetramethylsilane and 'Freon 114'

1977 ◽  
Vol 30 (8) ◽  
pp. 1645 ◽  
Author(s):  
GA Bottomley ◽  
DB Nairn
Keyword(s):  
Spherical Shell ◽  
Atmospheric Pressure ◽  
Virial Coefficients ◽  
Constant Volume ◽  
Second Virial Coefficients ◽  
Lennard Jones ◽  
Initial Values

A constant-volume gas-thermometer technique has been used at sub- atmospheric pressure to provide second virial coefficients to above 500 K from initial values in the vicinity of 300 K. The results for three organic vapours, butane, tetramethylsilane, 1,2-dichloro-1,1,2,2- tetrafluoroethane, are provided and expressed in terms of the intermolecular parameters for the Lennard-Jones (12-6) potential and the De Rocco and Hoover spherical-shell potential.

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