Journal of Pure and Applied Ultrasonics

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Thermo-acoustic studies of thiazolidin one substituted 1, 2, 4-triazole derivatives


Affiliations
1 DST-FIST sponsored, Department of Chemistry, Mahatma Gandhi Campus, Maharaja Krishna Kumar Sinhji Bhavnagar University, Bhavnagar-364022, Gujarat, India
 

The physicochemical parameters (density (ρ), viscosity (η), ultrasonic sound velocity (U), acoustical impendence (Z), isentropic compressibility (κs), intermolecular free path length (Lf), Rao's molar sound function (Rm), van der Waals constant (b), internal pressure (π), free volume (Vf) and viscous relaxation time (τ), solvation number (Sn) of binary mixture of 5-(4-nitrobenzylidene)-2-(thiophen-2-yl)-3-(4H-1,2,4-triazol-4-yl)thiazolidin- 4-one, (TZ1) and 5-(4-chlorobenzylidene)-2-(thiophen-2-yl)-3-(4H-1,2,4-triazol-4-yl) thiazolidin-4-one, (TZ2) in N,N-dimethyl formamide (DMF) and dimethyl sulfoxide (DMSO) were calculated at three temperatures viz. (298.15, 308.15 and 318.15) K at atmospheric pressure. Additionally, a comparison between experimental results of the binary mixture was studied to analyse how the change in polar aprotic solvent and the structural organisation make a change in the values of enthalpy of activation (ΔH*), Gibbs energy of activation (ΔG*) and entropy of activation (ΔS*).

Keywords

Molecular interaction; density; acoustical parameters; sound velocity; thermodynamic properties.
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  • Thermo-acoustic studies of thiazolidin one substituted 1, 2, 4-triazole derivatives

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Authors

Dinesh R Godhani
DST-FIST sponsored, Department of Chemistry, Mahatma Gandhi Campus, Maharaja Krishna Kumar Sinhji Bhavnagar University, Bhavnagar-364022, Gujarat, India
Umang P Mehta
DST-FIST sponsored, Department of Chemistry, Mahatma Gandhi Campus, Maharaja Krishna Kumar Sinhji Bhavnagar University, Bhavnagar-364022, Gujarat, India
Jignasu P Mehta
DST-FIST sponsored, Department of Chemistry, Mahatma Gandhi Campus, Maharaja Krishna Kumar Sinhji Bhavnagar University, Bhavnagar-364022, Gujarat, India

Abstract


The physicochemical parameters (density (ρ), viscosity (η), ultrasonic sound velocity (U), acoustical impendence (Z), isentropic compressibility (κs), intermolecular free path length (Lf), Rao's molar sound function (Rm), van der Waals constant (b), internal pressure (π), free volume (Vf) and viscous relaxation time (τ), solvation number (Sn) of binary mixture of 5-(4-nitrobenzylidene)-2-(thiophen-2-yl)-3-(4H-1,2,4-triazol-4-yl)thiazolidin- 4-one, (TZ1) and 5-(4-chlorobenzylidene)-2-(thiophen-2-yl)-3-(4H-1,2,4-triazol-4-yl) thiazolidin-4-one, (TZ2) in N,N-dimethyl formamide (DMF) and dimethyl sulfoxide (DMSO) were calculated at three temperatures viz. (298.15, 308.15 and 318.15) K at atmospheric pressure. Additionally, a comparison between experimental results of the binary mixture was studied to analyse how the change in polar aprotic solvent and the structural organisation make a change in the values of enthalpy of activation (ΔH*), Gibbs energy of activation (ΔG*) and entropy of activation (ΔS*).

Keywords


Molecular interaction; density; acoustical parameters; sound velocity; thermodynamic properties.

References