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


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 thesp 2 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.


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


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Copyright information

© Indian Academy of Sciences 1986

Authors and Affiliations

  • S L Srivastava
    • 1
  • M Prasad
    • 2
  • Ranjeet Singh
    • 3
  1. 1.Department of PhysicsUniversity of GorakhpurGorakhpurIndia
  2. 2.Department of PhysicsSt. Andrew’s CollegeGorakhpurIndia
  3. 3.Department of PhysicsShivapati degree collegeBastiIndia

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