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    • Electronic and vibrational spectra of 2,4,6-trichloro- and 6-chloro-2,4-dimethoxypyrimidine

      S L Srivastava M Prasad Ranjeet Singh

      Physical and Theoretical Volume 97 Issue 1 July 1986 pp 83-90

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/097/01/0083-0090

    • Keywords

       

      UV and IR spectra; 2,4,6-trichloropyrimidine; 6-chloro-2,4-dimethoxypyrimidine

    • Abstract

       

      This paper presents the investigations of the electronic and vibrational spectra of 2,4,6-trichloropyrimidine and 6-chloro 2,4-dimethoxypyrimidine. The electronic spectra have been recorded in the liquid and vapour states in the region 50000-28000 cm−1. Then-π and π-π transitions are classified in each case. Infrared absorption spectra of 2,4,6-trichloropyrimidine in nujol have been recorded in the region 4000-400 cm−1. It is concluded that substituents like Cl or OCH3 do not have much influence on thesp2 electron of the nitrogen atom of the ring. From infrared studies the mass-dependent modes and the modes insensitive to substitution have been pointed out. The assignments are tentative and are based on the group frequency approach and data available for similar molecules.

    • Author Affiliations

       

      S L Srivastava1 M Prasad2 Ranjeet Singh3

      1. Department of Physics, University of Gorakhpur, Gorakhpur - 273 009, India
      2. Department of Physics, St. Andrew’s College, Gorakhpur - 273 001, India
      3. Department of Physics, Shivapati degree college, Shohratgarh, Basti - 272 205, India

    • Dates

       
      Published
      July 1986
      Manuscript received
      24 June 1985
      Manuscript revised
      16 December 1985

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