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Investigations on Binary Mixtures of Propan-2-ol with Methyl Benzoate and Ethyl Benzoate

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Abstract

The molecular interactions between the polar systems propan-2-ol with alkyl benzoates (methyl benzoate and ethyl benzoate), for various mole fractions and different temperatures, were studied by determining the dielectric permittivity using a LF impedance analyzer and Abbe’s refractometer in the static and optical frequency regions, respectively. The effective Kirkwood correlation factor, corrective Kirkwood correlation factor, dipole moment, excess dipole moment, and excess Helmholtz free energy were calculated using the experimental data. Hamiltonian quantum mechanical calculations (ab initio and semiempirical) were performed using PC Spartan and Argus lab Modeling software for both pure and equimolar binary systems of propan-2-ol with alkyl benzoates.

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Acknowledgements

The authors gratefully acknowledge the Project No. ERIP/ER/0703688/M/01/1134, dated 31-03-2010 of DRDO, and UGC DRS LEVEL III program No. F.530/1/DRS/2009 (SAP-I), dated 09-02-2009 New Delhi, and to the Department of Physics for providing financial assistance.

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Authors and Affiliations

  1. Department of Physics, Hindu College Techno Campus, Guntur, 522002, India

    T. Madhu Mohan

  2. Department of Physics, Acharya Nagarjuna University, Nagarjunanagar, 522510, India

    S. Sreehari Sastry

  3. Department of Physics, Indian Institute of Technology, Chennai, 600036, India

    V. R. K. Murthy

Authors
  1. T. Madhu Mohan
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  2. S. Sreehari Sastry
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  3. V. R. K. Murthy
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Correspondence to S. Sreehari Sastry.

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Madhu Mohan, T., Sreehari Sastry, S. & Murthy, V.R.K. Investigations on Binary Mixtures of Propan-2-ol with Methyl Benzoate and Ethyl Benzoate. J Solution Chem 40, 1847–1862 (2011). https://doi.org/10.1007/s10953-011-9763-6

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  • DOI: https://doi.org/10.1007/s10953-011-9763-6

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