New aspects on polarity of 1-alkyl-3-methylimidazolium salts as measured by solvatochromic probes

• Autores: A. Oehlke, K. Hofmann
• Localización: New journal of chemistry, ISSN 1144-0546, Vol. 30, Nº 4, 2006, págs. 533-536
• Idioma: inglés
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• Resumen

  • Kamlet–Taft solvatochromic polarity parameters β and π* of ionic liquids with 1-alkyl-3-methylimidazolium cations are determined in two ways by the counter anion X−: the β value represents the hydrogen bond basicity and the π* value depends on the polarizability of X−.