O-H (water)
3700-3100 cm-1 strong, broad
O-H (alcohols and phenols)
3650-3200 cm-1, strong
O-H (carboxylic acid)
3300-2500 strong, very broad
N-H
3500-3300 cm-1
(Triple bond)C-H
3300 cm-1
0
3100 cm-1, weak
-C-H (aldehyde)
2900-2800 cm-1, variable
C triple bond N (nitrile)
2250 - 2200 cm-1
C=O aldehyde & ester
1740-1720 cm-1
C=C
1650 cm-1
C=O anhydride
1840-1800 or 1780-1740 cm-1
C=O ketone
1745-1715 cm-1
C=O amide
1700-1500 cm-1
C triple bond C
2200-2100 cm-1
C-O-C
1100 cm-1, several
benzine ring
~1600 cm-1
C-H of carboxylic acid
2200-3600 cm-1
triple bond C-H
3300 cm-1
NO2 stretch
1600-1500 & 1400-1300 cm-1
C-F
1400-1000 cm-1
C-Cl
800-600