Russian Journal of Physical Chemistry A

, Volume 92, Issue 4, pp 730–733 | Cite as

Solute–Solvent Interactions of Methyl Violet in Different Solvents on Spectral Data

  • Maria Ashfaq
  • Rehana Saeed
  • Summyia Masood
  • Sameera Razi Khan
  • Farzana Yasmin
Physical Chemistry of Solutions


Spectroscopic studies of Methyl violet in protic (water, methanol, ethanol, isopropanol and n-butanol) and aprotic solvents (acetone, DMF) were carried out. UV-Visible absorption spectra of Methyl violet in protic solvents showed a hypsochromic shift, as the solvent polarity was changed from less polar to more polar, while a bathochromic shift was observed for aprotic solvents. Transition energy of Methyl violet in different solvents was correlated with solvatochromic parameters to study solute–solvents interactions. The Kamlet–Taft, Catalan and unified scale models were applied to investigate interactions between Methyl violet and solvents. The best agreement is found for the Catalan model.


unified scale Kamlet–Taft model Catalan model hypsochromic effect transition energy 


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • Maria Ashfaq
    • 1
  • Rehana Saeed
    • 1
  • Summyia Masood
    • 1
  • Sameera Razi Khan
    • 2
  • Farzana Yasmin
    • 3
  1. 1.Department of ChemistryUniversity of KarachiKarachiPakistan
  2. 2.Department of ChemistryFederal Urdu University of Arts, Science and Technology, Gulshan-e-Iqbal CampusKarachiPakistan
  3. 3.Department of Biomedical EngineeringNed University of Engineering and TechnologyKarachiPakistan

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