Research Papers in Physics and Astronomy


Date of this Version

September 1985


Published by American Institute of Physics. J. Chemical Physics 83, 2316 (1985). ©1985 American Institute of Physics. Permission to use.


We have developed a variation-perturbation procedure for calculating intermolecular forces. It is based on the valence bond method of constructing wave functions and involves a number of interlocking techniques and approximations that are justified by the small size of the interaction potential relative to the total energy. In this article we give an outline of the theory of our technique. We have used this procedure to determine the potential between a Ne atom and a rigid HF molecule. The results of this calculation are given in the next article. The Journal of Chemical Physics is copyrighted by The American Institute of Physics.

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