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Self-consistent field energies and wavefunctions for coupled oscillators

J. Chem. Phys. 68, 608 (1978); doi:10.1063/1.435782

Issue Date: 15 January 1978

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Joel M. Bowman
Department of Chemistry, Illinois Institute of Technology, Chicago, Illinois 60616
We formulate a self-consistent field description of coupled anharmonic oscillators. The SCF equations are solved numerically for a model problem of two coupled anharmonic oscillators and energy eigenvalues compared with previously published exact quantum and semiclassical ones. The Journal of Chemical Physics is copyrighted by The American Institute of Physics.
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PACS

  • 31.20.Ej
    Electronic structure of atoms and molecules: theory Specific calculations and results Ab initio LCAO and GO SCF calculations
  • YEAR: 1978

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
AIP is a member of CrossRef AIP

REFERENCES (7)

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  1. For a forthcoming review see, G. D. Carney, L. L. Sprandel, and C. W. Kern, “Variational Approaches to Vibration-Rotation Spectroscopy for Polyatomic Molecules” [to be published in Adv. Chem. Phys. 36 (1977)].
  2. (a) W. Eastes and R. A. Marcus, J. Chem. Phys. 61, 4301 (1974) and reference cited therein;
  3. (d) D. W. Noid and R. A. Marcus, ibid. 62, 2119 (1975);
    (c) S. Chapman, B. C. Garrett, and W. H. Miller, J. Chem. Phys. 64, 502 (1976);
    (d) K. S. Sorbie and N. C. Handy, Mol. Phys. 32, 1327 (1976);
    (e) J. B. Delos and R. T. Swimm, Chem. Phys. Lett. 47, 76 (1977).
  4. See, for example, B. R. Henry, Acc. Chem. Res. 10, 207 (1977).
  5. L. L. Sprandel, Diss. Abstr. Int. B 36, 5577 (1975), I thank Professor Karl Freed for helping me track down this unpublished reference and Ref. 1.
  6. C. C. J. Roothaan, Rev. Mod. Phys. 23, 69 (1951).
  7. S. Nordholm and S. A. Rice, J. Chem. Phys. 61, 203 (1974) and references cited therein.
  8. See, for example, D. G. Truhlar, J. Comput. Phys. 10, 123 (1972).

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