Spectroscopy and Direct Products:: Simpler Yet Deeper

• Sidney F. A. Kettle ^[1]
  1. [1] University of East Anglia

     University of East Anglia

     Norwich District, Reino Unido

     
• Localización: Journal of chemical education, ISSN 0021-9584, Vol. 87, Nº 12 (December), 2010, págs. 1444-1450
• Idioma: inglés
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• Resumen

  • When irreducible representations are given in diagrammatic form, it is possible to show direct products pictorially. By giving a similar description of the electric vector associated with a light wave, group-theoretical selection rules (the requirement of a totally symmetric direct product) can also be shown in pictorial form. The υ(CO) vibrations of Mn(CO)5Br are considered as an example; some relative band intensity conclusions arise naturally from the pictorial description.