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Investigations of Molecular Interactions in Binary Mixtures of the Ionic Liquid [Emim][BF4] and N-Methylaniline at Temperatures from 293.15 to 323.15 K

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Abstract

Density (ρ) and speed of sound (u) values were measured for the binary mixture of 1-ethyl-3-methylimidazolium tetrafluoroborate ([Emim][BF4]) and N-methylaniline over the entire range of mole fractions at temperatures from 293.15 to 323.15 K under atmospheric pressure. Using the basic experimental data, various acoustic and thermodynamic parameters were calculated and are discussed with regard to the molecular interactions in the binary systems. The partial molar volumes and partial molar isentropic compressibilities at infinite dilution have also been calculated. The excess values were fitted to Redlich–Kister polynomial equation to estimate the binary coefficients and standard deviation between the experimental and calculated values. Further, the molecular interactions in the binary mixture system are analyzed using the experimental FT-IR spectra recorded at room temperature.

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Acknowledgements

The authors are thankful to the Management of Vasireddy Venkatadri Institute of Technology, Guntur for encouraging research. The authors are thankful to Dr. N. Prakash Prabhu, Department of Bio-Technology, University of Hyderabad and M/s. Anton Paar, Hyderabad for providing the research facilities. One of the authors (V. Srinivasa Rao) is also thankful to the Principal, Government. City College (Autonomous), Hyderabad for the moral support in all aspects of the research work.

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Authors and Affiliations

  1. Department of Physics, Jawaharlal Nehru Technological University, Kakinada, India

    V. Srinivasa Rao

  2. Department of Physics, Vasireddy Venkatadri Institute of Technology, Nambur, Guntur, Andhra Pradesh, India

    T. Vijaya Krishna & T. Madhu Mohan

  3. Department of Physics, JNTUH College of Engineering, Kukatpally, Hyderabad, India

    P. Madhusudana Rao

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  1. V. Srinivasa Rao
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Correspondence to T. Vijaya Krishna.

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Rao, V.S., Krishna, T.V., Mohan, T.M. et al. Investigations of Molecular Interactions in Binary Mixtures of the Ionic Liquid [Emim][BF4] and N-Methylaniline at Temperatures from 293.15 to 323.15 K. J Solution Chem 46, 281–304 (2017). https://doi.org/10.1007/s10953-017-0578-y

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