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An ab initio study of the low energy structures of the naphthalene dimer
Using full geometry optimization, eight stationary points corresponding with both high- and low-symmetry structures are located on the naphthalene dimer potential energy surface, calculated using second-order Møller-Plesset theory (MP2) and 6-31G* basis sets. Interaction energies from single-point calculations using MP2 with correlation consistent basis sets are obtained, as well as estimates of electrostatic and dispersion contributions to these interaction energies. Contrary to previous studies, the global minimum here has approximate C 2 symmetry, and may be considered as a distorted structure of the symmetric D 2d crossed geometry. Magnitudes of the exciton splitting of the first excited state, S 1 , are also estimated. © 2002 Elsevier Science B.V. All rights reserved.
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Journal
Chemical physics lettersVolume
363Issue
1-2Pagination
45 - 51Publisher
Elsevier Science BVLocation
Amsterdam, The NetherlandsPublisher DOI
ISSN
0009-2614Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2002, Elsevier Science B.V.Usage metrics
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