The vibrational index at dissociation: An extended treatment

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The simple empirical expression recently proposed Hajigeorgiou (2013) [1] for estimating the effective non-integer vibrational index at dissociation in a diatomic molecule, has been revised by considering information for 22 ground electronic states of a variety of diatomic molecules. In addition, analogous expressions have been derived for molecules that form exceptions to the general expression, indicating that families of chemically related molecules can display regularity and predictability as far as the vibrational index at dissociation is concerned. In particular, the alkaline-earth dimers and inert-gas dimers have been considered.

Original languageEnglish
Pages (from-to)17-23
Number of pages7
JournalJournal of Molecular Spectroscopy
Publication statusPublished - Feb 2014


  • Alkaline-earth dimers
  • Diatomic molecules
  • Empirical expression
  • Inert-gas dimers
  • Vibrational index at dissociation
  • Vibrational levels

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