Abstract
Starting from an ab initio intermolecular potential, we have calculated the mean field states for the librations in the ordered α and γ phases of solid N2, using a basis of spherical harmonics up to lmax=12. The correlation between the mean field solutions was then taken into account via a libron model based on the random-phase approximation or time-dependent Hartree method. The calculated librational frequencies are rather accurate, showing that the discrepancies in earlier results with the ab initio potential are mainly due to the breakdown of (quasi-)harmonic models for the librations, even in the ordered phases.
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Dates
Type | When |
---|---|
Created | 22 years, 5 months ago (Feb. 28, 2003, 12:34 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 9, 2024, 9:31 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 10, 2024, 10:08 a.m.) |
Issued | 40 years, 10 months ago (Oct. 15, 1984) |
Published | 40 years, 10 months ago (Oct. 15, 1984) |
Published Print | 40 years, 10 months ago (Oct. 15, 1984) |
@article{Jansen_1984, title={A b i n i t i o description of large amplitude motions in solid N2. I. Librons in the ordered α and γ phases}, volume={81}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.448114}, DOI={10.1063/1.448114}, number={8}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Jansen, A. P. J. and Briels, W. J. and van der Avoird, Ad}, year={1984}, month=oct, pages={3648–3657} }