Functional groups
Wave number (cm-1)
C-O stretching
1155 cm
-1
1187 cm
-1
C=O Stretching
1752 cm
-1
N+-H Stretching
2500-2550 cm
-1
C-H Stretching
3121 cm
-1
O-H Stretching
3300 cm
-1
Table 9:
IR values for the prominent peaks in the finger print region.
