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Table 3 FTIR Interpretation of compounds of leaf chloroform extract of A. salviifolium

From: GCMS-based phytochemical profiling and in vitro pharmacological activities of plant Alangium salviifolium (L.f) Wang

Sl. no.

Frequency

Functional group

Bond strength

Nature of bond

1

2916.92

Alkane

C–H Stretching

Covalent bond

2

2849.04

Alkane

C–H Stretching

Covalent bond

3

2360.24

Carbon-di-oxide

O=C=O stretching

Covalent bond

4

1735.51

Aldehyde

C=O stretching

Neutral

5

1667.49

Conjugated ketone

C=O stretching

Neutral

6

1545.36

Nitro compound

N–O stretching

Covalent bond

7

1510.94

Nitro compound

N–O stretching

Covalent bond

8

1451.37

Alkane (methyl group)

C–H bending

Covalent bond

9

1375.46

Alcohol

O–H bending

Covalent bond

10

1157.46

Amine

C–N stretching

Basic

11

1121.29

Amine

C–N stretching

Basic

12

1036.56

Amine

C–N stretching

Basic

13

916.96

Alkene

C=C bending

Nonpolar

14

838.03

Halo compound

C–Cl stretching

Polar

15

796.52

Alkene

C=C bending

Nonpolar

16

731.49

Alkene

C=C bending

Nonpolar

17

669.30

Alkene

C=C bending

Nonpolar

18

595.74

Halo compound

C–Br stretching

Polar covalent bond

19

565.05

Halo compound

C–I stretching

Nonpolar

20

522.19

Halo compound

C–I stretching

Nonpolar