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  • Chemistry  (4)
  • Spin-orbit interaction
  • 1995-1999  (4)
  • 1
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Computational Chemistry 19 (1998), S. 781-796 
    ISSN: 0192-8651
    Keywords: molecular electronic spectroscopy ; band shape ; solvent effects ; stochastic methods ; ZINDO ; Chemistry ; Theoretical, Physical and Computational Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Computer Science
    Notes: A method for approximating the band shape of molecular electronic transitions based on a single geometric configuration is described. The band shape is modeled using an empirical parameter to estimate the width at half-height for each transition. In addition to generating a shape for allowed transitions, a procedure is developed for approximating the oscillator strength for the symmetry forbidden bands. The results obtained using these two approximations are then compared with experimental spectra and to the results obtained from stochastic methods for simple organic molecules, such as benzene, naphthalene, and the diazobenzenes.   © 1998 John Wiley & Sons, Inc.   J Comput Chem 19: 781-796, 1998
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    ISSN: 0020-7608
    Keywords: Chemistry ; Theoretical, Physical and Computational Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: No abstract.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0020-7608
    Keywords: Chemistry ; Theoretical, Physical and Computational Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The red shift of the first absorption band of benzene in the condensed phase is calculated. The solid-phase calculations are performed using the experimental crystal structure. For the liquid two different approaches are considered. One is the herringbone structure suggested by X-ray experiments, and the other uses supermolecules generated by Monte Carlo simulation. Attention is given to the contribution of the usual parallel and T-shape conformations of the benzene dimers obtained in the simulation. Comparison with experiment shows a relatively poor result for the herringbone structure and good agreement for the supermolecular structures generated by the simulation.   © 1997 John Wiley & Sons, Inc. Int J Quant Chem 65: 885-891, 1997
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 65 (1997), S. 1031-1031 
    ISSN: 0020-7608
    Keywords: Chemistry ; Theoretical, Physical and Computational Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: No abstract.
    Type of Medium: Electronic Resource
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