Functional group

2-acetoxy benzene carboxylic acid

(cm⁻¹)

Complex 2-acetoxy benzene carboxylic acid-2-HP-βCD

(cm⁻¹)

Carbonyl-OH group

2696.78

2927.38

Acetic C=O group

1749.64

1655.18

Carboxylic C=O group

1679.79

1610.20

Aromatic C=C stretches

1575.46;

1456.13;

1418.22;

1486.03;

1443.76;

1381.49

C-O (acetate ester)

1181.98

1155.30