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    • Dissociation energy of diatomic molecules – comment on the work of Kaur and Mahajan

      Suresh Chandra

      Comment Volume 56 Issue 4 April 2001 pp C585-C587

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      https://www.ias.ac.in/article/fulltext/pram/056/04/C0585-C0587

    • Keywords

       

      Dissociation energy; diatomic molecules.

    • Abstract

       

      When observed spectrum of a diatomic molecule is expressed in terms of the Dunham coefficients $Y_{00}$, $Y_{10}$, $Y_{20}$, $Y_{01}$, and $Y_{11}$ only, dissociation energy of the molecule is given by $Y_{00} + Y^{2}_{10}/(-4Y_{20})$. Kaur and Mahajan [1] have used the Dunham coefficients $Y_{10}$, $Y_{20}$, $Y_{01}$, and $Y_{11}$, for 15 vibrational states of 12 diatomic molecules ($Y_{00}$ is zero for the cases accounted for), but their dissociation energy cannot be reproduced by the expression $Y^{2}_{10}/(-4Y_{20})$. Probable reason for the discrepancy has been discussed.

    • Author Affiliations

       

      Suresh Chandra1

      1. School of Physical Sciences, S.R.T.M. University, Nanded 431 606, India

    • Dates

       
      Published
      April 2001
      Manuscript received
      19 June 2000
      Manuscript revised
      30 January 2001

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