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

Table 2

Comparison between literature values and experimental values of different vibrational modes of Rhodamine 6G.

Sample	Vibrational modes and; functional groups	Literature values; (cm^−1) [12]	Experimental values; (cm^−1)
Rhodamine 6G	C–H op bend	785	772.3
	C–H ip bend		1186.9
	Arom C–C str	1303	1313.3
	Arom C–C str	1357	1366.66
	Arom C–C str	1508	1513.3
	Arom C–C str	1647	1651.9