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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/124/01/0065-0073

    • Keywords

       

      Quantum reaction dynamics; wave packet; MCTDH.

    • Abstract

       

      Exact wave packet calculations are carried out to investigate the effect of vibrational excitation of the reagent bonds on the dynamics of the CN + H2 → HCN + H process using the multiconfiguration time-dependent Hartree algorithm. The results are compared to the approximate theoretical and the available experimental results. The differences between the results of the theoretical studies are discussed from the point of view of an approximate or exact kinetic energy operator used in the quantum mechanical studies. Deviations between exact theoretical and experimental results points to the inaccuracies of the potential energy surface used.

    • Author Affiliations

       

      S Bhattacharya1 A Kirwai1 Aditya N Panda1 2 H-D Meyer3

      1. Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781 039, India
      2. Department of Chemistry, École Normale Supérieure, Paris, 24 rue Lhomond, 75231 Paris CEDEX 05, France
      3. Theoretische Chemie, Universität Heidelberg, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany

    • Dates

       
      Published
      January 2012

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