Abstract
Model interatomic potential energy functions are presented for the ammonia dimer (NH3)2 which have the correct Coulombic and dispersion interactions for asymptotically large intermolecular separations. Existing data for the second virial coefficient of the gas together with the known structure and binding energy of the solid are used to constrain the parameters of the short range interatomic interactions. Finally, new experimental results for the differential collision cross section of NH3+NH3 are used to test the proposed potential energy functions.
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (Feb. 27, 2003, 5:38 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 1:17 p.m.) |
Indexed | 1 year ago (Aug. 2, 2024, 6:31 a.m.) |
Issued | 47 years, 5 months ago (March 15, 1978) |
Published | 47 years, 5 months ago (March 15, 1978) |
Published Print | 47 years, 5 months ago (March 15, 1978) |
@article{Duquette_1978, title={An intermolecular potential for (NH3)2}, volume={68}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.436113}, DOI={10.1063/1.436113}, number={6}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Duquette, G. and Ellis, T. H. and Scoles, G. and Watts, R. O. and Klein, M. L.}, year={1978}, month=mar, pages={2544–2549} }