Alkane C-H
2850-2960cm-1
Alkene. =C-H
3020-3100cm-1
Alkene C=C
1640-1680cm-1
Alkyne IIIC-H
3300cm-1
Alkyne. C III C
2100-2260cm-1
Alkyl Halide. C-Cl
600-800cm-1
Alkyl Halide. C-Br
500-600cm-1
Alcohol. O-H
3400-3650cm-1
Alcohol C-O
1050-1150cm-1
Arene. C-H
3030cm-1
Aromatic ring.
1660-2000. Weak
1450-1600. Medium