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International Letters of Chemistry, Physics and Astronomy
ILCPA Volume 53
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ILCPA > ILCPA Volume 53 > Density, Viscosity and Ultrasonic Speed Based...
Density, Viscosity and Ultrasonic Speed Based Acoustical Studies of Structural Properties of 1,1’-Bis(4-Amino Phenyl) Cyclohexane Symmetric Double Schiff Bases in THF Solutions at 303.15, 308.15 and 313.15K
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Density, Viscosity and Ultrasonic Speed Based Acoustical Studies of Structural Properties of 1,1’-Bis(4-Amino Phenyl) Cyclohexane Symmetric Double Schiff Bases in THF Solutions at 303.15, 308.15 and 313.15K

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Abstract:

The density (ρ), viscosity (η) and ultrasonic speed (U) (2MHz) of THF solutions of symmetric double Schiff bases (SDSB-1,SDSB-2 and SDSB-3) were determined at 303.15, 308.15 and 313.15 K. Various acoustical parameters such as specific acoustical impedance (Z), isentropic compressibility (ks), Rao’s molar sound function (Rm), Van der Waals constant (b), internal pressure (π), free volume (Vf), intermolecular free path length (Lf), viscous relaxation time (τ) and classical absorption coefficient (α/f2)Cl), were determined using ρ, η and U data. The results are interpreted in terms of molecular interactions occurring in the solutions at different temperatures and concentrations. Linear increase of ρ, η U, Z, Rm, b, (α/f2)Cl and τ with increasing C, linear decrease of КS, Lf and π with increasing T, Vf increased linearly with C and T except SDSB-3 supported existence of strong molecular interactions in the solutions and confirming solvophilic nature of the Schiff bases. The structure, nature and size of the solutes and solvent, concentration and temperature affected molecular interactions.

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 53)
Pages:
19-30
DOI:
https://doi.org/10.18052/www.scipress.com/ILCPA.53.19
Citation:
B. J. Gangani and P. H. Parsania, "Density, Viscosity and Ultrasonic Speed Based Acoustical Studies of Structural Properties of 1,1’-Bis(4-Amino Phenyl) Cyclohexane Symmetric Double Schiff Bases in THF Solutions at 303.15, 308.15 and 313.15K", International Letters of Chemistry, Physics and Astronomy, Vol. 53, pp. 19-30, 2015
Online since:
July 2015
Authors:
Bhavesh J. Gangani, Parsotam H. Parsania
Keywords:
Density, Molecular Interactions, Solvation Number, Symmetric Double Schiff Bases, Ultrasonic Speed, Viscosity
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Open Access

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