Dielectric and Thermodynamic Studies on the Hydrogen Bonded Binary System of Isopropyl Alcohol and Aniline |
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Authors: | T Vijaya Krishna S Sreehari Sastry |
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Institution: | 1.Department of Physics,Vasireddy Venkatadri Institute of Technology,Nambur,India;2.Department of Physics,Acharya Nagarjuna University,Nagarjunanagar,India |
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Abstract: | The molecular interactions between the polar systems isopropyl alcohol (IPA) and aniline for various mole fractions at different
temperatures were studied by determining the dielectric permittivity using an HP-LF impedance analyzer at radio frequencies,
the plunger method in the microwave frequency range and Abbe’s refractometer in optical region. Kirkwood effective correlation
factors, corrective Kirkwood correlation factors, excess permittivities, Bruggeman parameters, excess Helmholtz free energy,
relaxation time, dipole moment and excessive dipole moment were calculated using the experimental data. Optimized geometries
were calculated using Spartan Modeling software for both pure and equimolar systems of isopropyl alcohol and aniline for Hamiltonian
quantum mechanical calculations. Conformational analysis of the formation of hydrogen bond between the two systems is supported
by the FT-IR spectra. |
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