Theoretical and Experimental Studies of 1-Butyl-3-methylimidazolium Methanesulfonate Ionic Liquid

Table 2

1H NMR of IL [C₄mim][CH₃SO₃] with its chemical shift and proton environment.

Chemical shift (ppm)	Proton environment
0.90	(Medium)-CH3
1.25	(Small)-CH2
1.76	(Small)-NCH2CH2
2.33	(Broad)-SO3CH3
3.86	(Medium)-NCH3
4.17	(Small)-NCH2
7.71, 7.78, 9.16	(Small)-ArH