Generalized equations for the inertial tensor of a weakly bound complex

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Abstract

Equations are presented for the inertial tensor components of a weakly bound complex in terms of intermolecular coordinates and moments of inertia of the individual moieties. The results are a generalization of similar equations presented in the literature for specific geometries, and allow for the use of up to three angles to specify the orientation of an asymmetric rotor within a complex. The angles chosen are well suited to describing the large amplitude motion characteristic of weakly bound complexes and the resulting expressions should be useful in the analysis of the rotational constants of weakly bound systems with complicated geometries.

Original languageEnglish (US)
Pages (from-to)27-30
Number of pages4
JournalJournal of molecular spectroscopy
Volume278
Issue number1
DOIs
StatePublished - Aug 1 2012

Keywords

  • Inertial tensor
  • Molecular structure
  • Rotational constant
  • Weakly bound complex

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