Abstract
Abstract : New classes of ionic liquids based upon the halide and nitrate salts of 1-alkyl substituted-4 amino-1,2,4-triazolium cations (n-alkyl =methyl -decyl, isopropyl, ally, and methylcylcopropyl) have been synthesized, characterized by vibrational spectra, multinuclear nmr, elemental analysis, and DSC studies. Single crystal x-ray diffraction studies were carried out on 1-isopropyl-4-amino-1,2,4-triazolium bromide, 1 -ethyl-4-amino- 1 ,2,4-triazolium bromide, 1 -n-propyl-4-amino- 1 ,2,4-triazolium bromide, 1-n- hexyl-4-amino-1 ,2,4-triazolium bromide, and 1-n-heptyl-4-amino-1,2,4-triazolium bromide, as well as 1- isopropyl-4-amino-1,2,4-triazolium nitrate and 1-methylcyclopropyl-4-amino-1,2,4-triazolium nitrate. The details of similarities, differences, and the effects of strong hydrogen bonding in the all of the structures will be discussed.
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