Centrifugal distortion in planar molecules

The rotational distortion of a general asymmetric top molecule is described by six rotational distortion constants which are functions of nine constants appearing in the first-order Hamiltonian for the nonrigid rotor. In this paper it is shown that for the case of a planar asymmetric top molecule th...

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Bibliographic Details
Published in:Journal of molecular spectroscopy 1961, Vol.6, p.550-553
Main Author: Dowling, Jerome M.
Format: Article
Language:English
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Summary:The rotational distortion of a general asymmetric top molecule is described by six rotational distortion constants which are functions of nine constants appearing in the first-order Hamiltonian for the nonrigid rotor. In this paper it is shown that for the case of a planar asymmetric top molecule these nine constants reduce to four, so that the centrifugal distortion of a planar asymmetric top molecule can be described by four constants rather than the usual six. It is also shown for planar symmetric top molecules that only two constants are required to described the centrifugal distortion effects, rather than the usual three.
ISSN:0022-2852
1096-083X
DOI:10.1016/0022-2852(61)90279-X