A Systematic Method for Determining Molecular Term Symbols for Diatomic Molecules Using Uncoupled-States Orbital Diagrams

Mark L. Campbell
United States Naval Academy, Annapolis, MD 21402-5026
J. Chem. Educ., 1996, 73 (8), p 749
DOI: 10.1021/ed073p749
Publication Date (Web): August 1, 1996

Abstract

A systematic method for determining molecular term symbols for diatomic molecules using uncoupled states orbital diagrams is described. Using this method, molecular terms symbols for a particular molecular orbital electron configuration are determined from the possible combinations of quantum numbers of the individual electrons. Two examples are included to illustrate the method,

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Subject):

Molecular Properties / Structure

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

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    Why the Lower-Energy Term of Singlet Dioxygen Has a Doubly Occupied π* Orbital

    Terry S. Carlton
    Journal of Chemical Education2006 83 (3), 477
    • Why the Lower-Energy Term of Singlet Dioxygen Has a Doubly Occupied π* Orbital

      Terry S. Carlton
      Journal of Chemical Education2006 83 (3), 477

      The singlet term of dioxygen with one doubly occupied π* orbital has lower energy than the singlet term with two singly occupied π* orbitals even though single occupancy is favored in the aufbau of atoms. A simple physical explanation based on orbital ...

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  • Received: August 03, 2009

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