711.68

C-Cl

Chloride

873.69

C-H

Aromatic

1047.27

C?N stretch

Aliphatic amines

1470.62

C?H bend

Alkanes

1792.71

R-C(O)-Cl

Acyl Chlorides

2515

O-H stretch

Carboxylic Acids

2921.96

C?H stretch

Alkanes

3404.13

O?H stretch

Alcohols