Normal modes

n (C-O)

n (C=C)

n (O-H)

n (C-H)

δ (C-H)_┴

n (C-CO)

δ (O-H)

A

Frequency

1071

1510 - 1588*

3719

3168 - 3196*

889.4

1104

1330

Intensity

103

57.2

24.2

52.4

150

57.1

41.9

B

Frequency

1048

1503 - 1608 (1535*)

3695

3180 - 3218 (3199*)

891.6

1049

1320

Intensity

90.8

133.3

21.4

32.5

173

90.8

91.9

C

Frequency

1032

1522 - 1608 (1562*)

3708

3172* - 3200

887

1067

1324

Intensity

72.0

63.9

16.8

80.6

347.8

58.0

109.2

D

Frequency

1038

1517 - 1602*

3709

3186* - 3203

905

1102

1324

Intensity

68.8

245

20.3

52.1

95.7

19.2

47.2

CNT

Frequency

-

1501 - 1598 (1529*)

-

3189 - 3207*

897

-

-

Intensity

-

281.6

-

40.4

329.2

-

-