Laser Raman Spectroscopy with Different Excitation Sources and Extension to Surface Enhanced Raman Spectroscopy

Table 1

Raman shift of benzene, aniline, chlorobenzene, and nitrobenzene with their corresponding vibrational bands and Literature values.

Aniline; (cm^−1)		Chlorobenzene; (cm^−1)		Nitrobenzene; (cm^−1)		Benzene; (cm^−1)		Band
Measured value	Literature value	Measured value	Literature value	Measured value	Literature value	Measured value	Literature value
531.8	531							(C–C)
618.7	619.5	610.4	609	614.7		608	609.17	(C–C)
996.8	996	1002.7	1001			992	993.19	(C–C)
				1021.5				(C–H)
1150.5	1150	1156.2	1156	1160.2	1159	1178	1176.5	(C–H)
1604.4	1603	1581.9	1580	1587.9	1590	1588	1587.1	(C–C)
3057.2	3056	3068	3068	3081.1	3080	3061	3061.1	(C–H)