Acetonitrile - 2-Methyl-Propan-1-ol and Acetonitrile - 2-Methyl-Propan-2-ol Binary Mixtures and their Physicochemical Properties

Authors: Kinart C.M.¹; Kinart W.J.²; C´wikliN´ska A.¹; Ch Eogon ciN´ska D.¹; Dzikowski T.³

Source: Physics and Chemistry of Liquids, Volume 41, Number 2, 2003 , pp. 197-210(14)

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Abstract:

The ¹H-NMR spectra of liquid binary mixtures of acetonitrile with 2-methyl-propan-1-ol (i-BtOH) and 2-methyl-propan-2-ol (t-BtOH), were recorded at 298 K over almost the whole range of mixed solvent compositions. From these data the values of spectral parameters, Delta

(ACN-i-BtOH) and Delta

(ACN-t-BtOH) were found. The relative permittivities ( epsi

₁₂) and the densities (d₁₂) of the mixed solvents were measured at 288.15 K, 293.15 K, 298.15 K, 303.15 K and 308.15 K. The experimental data were used to test some empirical equations of the type: y₁₂ = y₁₂(t) and y₁₂ = y₁₂(X₁) [where: y₁₂ = d₁₂ or epsi

₁₂]. From all these data, the deviations from ideality molar volumes $ (V_{12}ˆE) $, temperature coefficients of relative permittivities ( alpha

₁₂) and the excess extrathermodynamic parameters $ varepsilon _{12}ˆE $ were calculated. The values of these structural parameters are discussed in terms of interactions of acetonitrile with both alcohols.

Keywords: Intermolecular interactions; Internal structure; Physicochemical properties; Liquid binary mixtures

Document Type: Research article

Affiliations: 1: Department of Chemistry, University of Lstrok ódz´, Pomorska 163, 90-236 Lstrok ódz´, Poland ódz´, Pomorska 163, 90-236 Lstrok ódz´, Poland "> 2: Department of Organic Chemistry, University of Lstrok ódz´, Narutowicza 68, 90-136 Lstrok ódz´, Poland ódz´, Narutowicza 68, 90-136 Lstrok ódz´, Poland "> 3: Department of Physics, University of Lstrok ódz´, Pomorska 163, 90-236 Lstrok ódz´, Polandódz´, Pomorska 163, 90-236 Lstrok ódz´, Poland">