Local modes and x,K relations for ethene and propadiene
Mills, I. and Mompean, F. J. (1986) Local modes and x,K relations for ethene and propadiene. Chemical Physics Letters, 124 (5). pp. 425-431. ISSN 0009-2614
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To link to this item DOI: 10.1016/0009-2614(86)85047-3
The results recently obtained by Mills and Robiette on local-mode effects in H2O, NH3 and CH4 type molecules are extended to ethene (C2H4) and propadiene (C3H4) type molecules. General relations among the anharmonic xrs constants and the Darling-Dennison Krrss constants for the stretching vibrations are derived, called “x,K relations”, which allow local-mode effects to be generated by adding the appropriate anharmonic and Darling-Dennison constants to the familiar normal-mode model of molecular vibrations. The general utility of x,K relations is discussed, and the results are reviewed for the molecular types for which they have so far been derived.