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IJPAP Vol.43(11) [November 2005] >


Title: Ultrasonic studies on the molecular interaction of 1-chlorobenzotriazole with aromatic compounds in solution
Authors: Kannappan, V
Hemalatha, G
Keywords: Ultrasonic velocity
Molecular interactions
Acoustical parameters
Adiabatic compressibility
Free length
Relaxation time
Issue Date: Nov-2005
Publisher: CSIR
IPC CodeB01J19/10
Abstract: The ultrasonic velocities (U) and densities (r) are measured for solutions of biphenyl, thioanisole and diphenylsulphide and mixtures containing equimolar concentrations of these compounds and 1-chlorobenzotriazole (1-CBT) at 303 K in the concentration range 610-4-310-3 M. Toluene was used as solvent for the biphenyl-1-CBT system and 1,4-dioxane was used as solvent for the other two systems. The coefficient of viscosity () values are determined for the mixtures at 303 K. The acoustical parameters such as adiabatic compressibility (), free length (Lf), relaxation time () and free energy of activation (G#) values are also calculated. The trend in acoustical parameters indicate that there are molecular interactions between the components and the formation of a charge transfer complex between aromatic compound (donor) and 1-CBT (acceptor) is established.
Page(s): 849-853
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.43(11) [November 2005]

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