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      https://www.ias.ac.in/article/fulltext/pram/063/05/1073-1082

    • Keywords

       

      Resonance Raman study; nickel octaethyl porphyrin; distorted structure of porphyrin; resonance Raman spectra of Ni(OEP)

    • Abstract

       

      The resonance Raman (RR) spectra of nickel octaethyl porphyrin, Ni(OEP), in CH2Cl2 (solvent) at different excitations such as 514.5, 488.0, 441.6 and 406.7 nm are recorded and analysed. The results of the theory of distortion-induced RR intensity is applied to the observed spectra to determine the excited electronic state symmetry of porphyrin in Ni(OEP). It is concluded that the porphyrin molecule (D4h structure) attains a non-polar distorted structure of D2 symmetry rather than S4 symmetry in CH2Cl2 solution.

    • Author Affiliations

       

      S Tewari1 R Das2 A Chakraborty2 Ramendu Bhattacharjee2

      1. Department of Physics, National Institute of Technology, Silchar - 780 010, India
      2. Department of Physics, Assam University, Silchar - 788 011, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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