IR Spectroscopy

Alkane

C-H

2850-2960

Medium

Alkene

=C-H

3020-3100

Medium

Alkene

C=C

1640-1680

Medium

Alkyne

?C-H

3300

Strong

Alkyne

C?C

2100-2260

Medium

Alkyl Halide

C-Cl

600-800

Strong

Alkyl Halide

C-Br

500-600

Strong

Alcohol

O-H

3400-3650

Strong, Broad

Alcohol

C-O

1050-1150

Strong

Arene

C-H

3030

Weak

Arene

Aromatic Ring

1660-2000

Weak

1450-1600

Medium

Amine

N-H

3300-3500

Medium

Amine

C-N

1030-1230

Medium

Carbonyl

C=O

1670-1780

Strong

Carbonyl

Aldehyde

1730

Strong

Carbonyl

Ketone

=O

=O attached to cyclopentanes

1715

Strong

Carbonyl

Ester

1735

Strong

Carbonyl

Amide

1690

Strong

Carbonyl

Carboxylic Acid

1710

Strong

Carboxylic Acid

O-H

2500-3100

Strong, Broad

Nitrile

C?N

2210-2260

Medium

Nitro

NO2

1540

Strong

N-H

O-H

C-H

4000-2800

C?N

C?C

2800-2000

C=O

C=N

C=C

2000-1500
Fingerprint Region
1500-400

Carbonyl

Aldehydes

=O attached to C-C=

=O attached to C-aromatic ring

1705

Strong

Carbonyl

Ketone

=O attached to C-C=

=O attached to C-aromatic ring

1690

Strong

Carbonyl

Ester

=O attached to C-C=

=O attached to C-aromatic ring

1715

Strong

x

Hi!
I'm Larry

Hi there, would you like to get such a paper? How about receiving a customized one?

Check it out