IR Spectroscopy values

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20 Terms

1
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-OH (alcohol)

3400 cm-1 strong & broad

2
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OH (carboxylic acid)

3100-2600 very broad

3
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NH stretch

3500 - 3100 cm-1 medium, broad —> double dip & single dip

4
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NH2 bend 

1550 - 1650 cm-1

5
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sp C-H

3300 cm-1 medium

6
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sp2 C-H (alkene)

3100 medium

7
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sp2 C-H (aldehyde) 

2750-2850 cm-1 medium

8
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sp3 C-H

2950-2800 cm-1 medium

9
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C-C triple

2200-2100 cm-1 medium - weak

10
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C=O

1800-1650 cm-1 NARROW

11
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C=C

1650- 1550 cm-1 medium

12
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C-O alcohol or ether

1050 cm-1

13
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C-O carboxylic acid

1250 cm-1 strong

14
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C=O (ald/ket)

1720 cm-1 strong

15
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C=O amides

1650 cm-1 strong

16
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C=O (ester, carboxylic acid)

1740 cm-1 strong

17
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C-C

700 cm-1

18
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C=N

1650-1690 cm-1

19
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C-N triple

2260 cm-1

20
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C-N

1200-1000 cm-1 weak