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Relaxation time; dipole moment; heterocyclic compounds

The dielectric relaxation mechanism in five heterocyclic compounds in dilute solutions using microwave technique is reported. Measurements have been made at different temperatures in order to calculate dipole moments and free energies of activation for the process of dipole orientation and viscous flow. It has been observed that the relaxation time is very closely related with the molecular parameters, such as size, shape and nature of the solute molecule.

N K Mehrotra¹ S B L Misra¹ S K S Somevanshi¹

1. Physics Department, Lucknow University, Lucknow - 226 007

Published

August 1978

Manuscript received

29 August 1977

Manuscript revised

7 January 1978