3 years ago

Solvent scales comparison by using α-nitrocyclohexanone as probe in ionic liquids, organic solvents and CH3CN/CHCl3 mixtures

Solvent scales comparison by using α-nitrocyclohexanone as probe in ionic liquids, organic solvents and CH3CN/CHCl3 mixtures
The UV–vis spectra of α-nitrocyclohexanone were determined at 25 °C in a series of solvents, including room-temperature ionic liquids, water and CH3CN/CHCl3 binary mixtures. A multiple linear regression analysis was performed by applying the Catalán empirical multiparameter solvent approach. Polarizability plays the major role in the solute-solvent interactions, as demonstrated by the quantification of the single solvent contributions, while an excellent linear correlation was found between the experimental and calculated solvent-dependent maxima adsorption bands. The solvatochromic trend of α-nitrocyclohexanone in the investigated media was confirmed by applying the Spange empirical solvent parameters for the ionic liquids in the Kamlet–Taft scale.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017303903

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