Correlation for the Second Virial Coefficient of Water
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- 1 March 2004
- journal article
- Published by AIP Publishing in Journal of Physical and Chemical Reference Data
- Vol. 33 (1) , 369-376
- https://doi.org/10.1063/1.1587731
Abstract
A new correlation has been developed to represent the second virial coefficient of water (H2O) as a function of temperature. The formulation was fitted to experimental data, both for the second virial coefficient itself and for a quantity related to its first temperature derivative, at temperatures between approximately 310 and 1170 K. The high-temperature extrapolation behavior was guided by results calculated from a high-quality intermolecular pair potential. The new correlation agrees well with the experimental data deemed to be reliable, and at high temperatures is a significant improvement over the best previous formulation.Keywords
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