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  • 1
    Electronic Resource
    Electronic Resource
    Perpendicular component of dipole moment in methyl groups (1977)
    Springer
    Theoretical chemistry accounts 44 (1977), S. 215-218 
    Details
    ISSN: 1432-2234
    Keywords: Methyl groups, dipole moment in ∼
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Consideration of the non equivalence of hydrogen atoms in a methyl group attached to a planar moiety indicates that a component of electric dipole moment should exist in a direction perpendicular to the local C 3 axis of the CH3 group. Semiempirical molecular-orbital computations produced estimates of this moment and of the barriers to internal rotation which may make this moment observable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00549103
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    On the Ricatti equation for eigenvalue problems (1989)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 36 (1989), S. 61-65 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The Riccati equation is shown to be suitable for obtaining implicit approximate analytic expressions for the eigenvalues of quantum-mechanical systems. The Hamiltonian operator H = (1/2)p2 - (Z/r) + λr2 is used as a test example, and the resulting formulae are modified to deal with the Zeeman effect in hydrogen.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560360108
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    Paper (German National Licenses)
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