Wave number (cm−1)

Bond source

Functional group

564.20

C-Br stretch

Alkyl halides

1115.86

C-N stretch

Aliphatic amines

1542.14

N-O asymmetric stretch

Nitro compounds

2272.22

-C ≡≡ C-stretch

Alkynes

3464.27

O-H stretch

Alcohols and phenols

3635.94

O-H stretch

Alcohols and phenols

3748.78

O-H stretch

Alcohols and phenols

3852.94

O-H stretch

Alcohols and phenols