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- Rule_of_mutual_exclusion abstract "In molecular spectroscopy, the rule of mutual exclusion states that no normal modes can be both Infrared and Raman active in a molecule that possesses a centre of symmetry. This is a powerful application of group theory to vibrational spectroscopy, and allows one to easily detect the presence of this symmetry element by comparison of the IR and Raman spectra generated by the same molecule.The rule arises because in a centrosymmetric point group, IR active modes, which must transform according to the same irreducible representation generated by one of the components of the dipole moment vector (x, y or z), must be of ungerade (u) symmetry, i.e. their character under inversion is -1, while Raman active modes, which transform according to the symmetry of the polarizability tensor (product of two coordinates), must be of gerade (g) symmetry since their character under inversion is +1. Thus, in the character table there is no irreducible representation that spans both IR and Raman active modes, and so there is no overlap between the two spectra.Note that this does not mean that a mode which is not Raman active must be IR active: in fact, it is still possible that a mode of a particular symmetry is neither Raman nor IR active.".
- Rule_of_mutual_exclusion wikiPageID "35895516".
- Rule_of_mutual_exclusion wikiPageLength "1984".
- Rule_of_mutual_exclusion wikiPageOutDegree "16".
- Rule_of_mutual_exclusion wikiPageRevisionID "650020117".
- Rule_of_mutual_exclusion wikiPageWikiLink Category:Infrared_spectroscopy.
- Rule_of_mutual_exclusion wikiPageWikiLink Category:Raman_spectroscopy.
- Rule_of_mutual_exclusion wikiPageWikiLink Category:Theoretical_chemistry.
- Rule_of_mutual_exclusion wikiPageWikiLink Centrosymmetry.
- Rule_of_mutual_exclusion wikiPageWikiLink Character_theory.
- Rule_of_mutual_exclusion wikiPageWikiLink Dipole.
- Rule_of_mutual_exclusion wikiPageWikiLink Fixed_points_of_isometry_groups_in_Euclidean_space.
- Rule_of_mutual_exclusion wikiPageWikiLink Infrared_spectroscopy.
- Rule_of_mutual_exclusion wikiPageWikiLink Irreducible_representation.
- Rule_of_mutual_exclusion wikiPageWikiLink List_of_character_tables_for_chemically_important_3D_point_groups.
- Rule_of_mutual_exclusion wikiPageWikiLink Normal_mode.
- Rule_of_mutual_exclusion wikiPageWikiLink Point_groups_in_three_dimensions.
- Rule_of_mutual_exclusion wikiPageWikiLink Polarizability.
- Rule_of_mutual_exclusion wikiPageWikiLink Raman_spectroscopy.
- Rule_of_mutual_exclusion wikiPageWikiLink Spectroscopy.
- Rule_of_mutual_exclusion wikiPageWikiLinkText "IR and Raman spectroscopy are mutually exclusive".
- Rule_of_mutual_exclusion wikiPageWikiLinkText "mutual exclusion rule".
- Rule_of_mutual_exclusion wikiPageWikiLinkText "rule of mutual exclusion".
- Rule_of_mutual_exclusion wikiPageUsesTemplate Template:Reflist.
- Rule_of_mutual_exclusion subject Category:Infrared_spectroscopy.
- Rule_of_mutual_exclusion subject Category:Raman_spectroscopy.
- Rule_of_mutual_exclusion subject Category:Theoretical_chemistry.
- Rule_of_mutual_exclusion type Technique.
- Rule_of_mutual_exclusion comment "In molecular spectroscopy, the rule of mutual exclusion states that no normal modes can be both Infrared and Raman active in a molecule that possesses a centre of symmetry.".
- Rule_of_mutual_exclusion label "Rule of mutual exclusion".
- Rule_of_mutual_exclusion sameAs Q438748.
- Rule_of_mutual_exclusion sameAs Alternativverbot.
- Rule_of_mutual_exclusion sameAs m.0jwxzp6.
- Rule_of_mutual_exclusion sameAs Q438748.
- Rule_of_mutual_exclusion wasDerivedFrom Rule_of_mutual_exclusion?oldid=650020117.
- Rule_of_mutual_exclusion isPrimaryTopicOf Rule_of_mutual_exclusion.