S.N.

Wave number (cm⁻¹)

Type of sample

Vibrational energy (E) (kJ·mole⁻¹)

Force constant (K) (N·m⁻¹)

Group/probable assignment

1

608.70

A

7.28

20.35

2

1364.78

A

19.55

3

621.74

A

7.43

4

613.04

A

7.33

5

521.74

A

7.33

6

608.45

A

7.27

7

610.13

A

7.29

8

3453.93

A

41.30

665.4

Amide A

9

3453.80

A

41.30

660.08

Amide A

10

3445.49

A

41.20

657.6

Amide A

11

3445.43

A

41.20

657.6

Amide A

12

3449.55

A

41.25

659.2

Amide A

13

3439.26

A

41.13

655.29

Amide A

14

3448.42

A

41.24

658.7

Amide A

15

3449.54

A

41.25

359.20

Amide A

16

3446.78

A

41.22

658.16

Amide A

17

3447.94

A

41.23

658.6

Amide A

18

3433.69

A

41.06

653.17

Amide A

19

3439.13

A

41.13

655.20

Amide A

20

1632.35

A

19.52

146.40

Amide I

21

1632.65

A

19.52

146.4

Amide I

22

1633.47

A

19.52

146.15

Amide I

23

1638.44

A

19.59

147.48

Amide I

24

1637.56

A

19.58

147.32

Amide I

25

1638.05

A

19.59

147.41

Amide I

26

1636.32

A

19.57

147.1

Amide I

27

1633.63

A

19.53

146.61

Amide I

28

1637.01

A

19.57

147022

Amide I

29

1631.71

A

19.51

146.27

Amide I

30

1632.90

A

19.52

146.4

Amide I

31

717.39

A

8.57

28.27

Amide IV

32

752.17

A

8.99

31.08

Amide IV

33

700.00

A

8.37

26.92

Amide IV

34

739.13

A

8.83

30.01

Amide IV

35

717.39

A

8.57

28.27

Amide V

36

587.37

A

18.95

7.02

Amide VI

37

704.35

A

8.42

27.25

Amide VI

38

1443.48

A

17.26

735.9

C=C

39

1439.13

A

17.21

731.5

C=C