• Temperature dependence of chlorine NQR in 2-chloro 5-nitrobenzoic acid and 4-chloro 3-nitrobenzoic acid

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      https://www.ias.ac.in/article/fulltext/pram/007/03/0146-0151

    • Keywords

       

      NQR; temperature dependence; internal motions

    • Abstract

       

      Temperature dependence of chlorine nuclear quadrupole resonance in 2-chloro 5-nitrobenzoic acid and 4-chloro 3-nitrobenzoic acid has been investigated in the region 77° K to room temperature. No phase transition has been observed. The results are analysed to obtain the torsional frequencies and their temperature dependence. A nonlinear temperature dependence is obtained for the torsional frequencies.

    • Author Affiliations

       

      V S S Sastry1 J Ramakrishna1

      1. Department of Physics, Indian Institute of Science, Bangalore - 560012
    • Dates

       
  • Pramana – Journal of Physics | News

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