1962 Volume 35 Issue 7 Pages 1067-1073
The electrostatic parts of van Laar coefficients for binary systems of polar and non-polar liquids were calculated, assuming that (1) the polar molecule is anisotropic in polarizability, (2) that the polar molecule is an ellipsoid, and (3) that the dipole is a point dipole and its position is not at the center of the molecule.
The results were compared with the experimental results.
The agreement between the experimental values and the calculated values based on the refined model cannot be said to have been improved compared with the previous results, in which the calculations were made based on the much simpler model in which the polar molecule was spherical and isotropic, and the dipole was at the center of the sphere.
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