Assignment

Wave number (cm⁻¹)

Aurein

Aurein-Quinine

Aurein-Chloroquin

Aurein-Primaquine

OH/NH

3400 - 3100

3280

3272

3271

3271

C-H

3100 - 2800

3059:2955

3067:2933

3032:2962:2877

3058

C=O

1800 - 1700

1726

1725

1730

Amide I

1700 - 1600

1646

1625

1624

1624

Amide II

1600 - 1500

1533

1534

1534

1531

Amide III

1350 - 1250

Phosphate

1260 - 1050

${\text{NH}}_4^{+}$

1000 - 700