Spectroscopy Measurements

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Last updated 6:01 PM on 4/19/26
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33 Terms

1
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Fingerprint Region

1600-1000

2
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C-H Bending

1000-600

3
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C-H stretching

2850-2960

4
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CF stretch

1000-1100

5
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CF3

1300-1360

6
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-CH=CH2, (terminal vinyl) stretch

1640

7
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methylene vinyl stretch

1655

8
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substituted internal alkene stretch

1660-1675 (sometimes absent)

9
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=CH2 (SP2 Stretching)

3000-3100

10
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-CH2=CH2 bends

910, 990 (two absorptions)

11
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methylene vinyl bends

890

12
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trans alkene bend

960-980

13
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cis alkene

675-730

14
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trisubstitued alkene bends

800-840

15
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O-H stretch (Not H bond)

3600

16
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OH stretch (h bond)

3200-3400

17
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C-O stretch

1050-1200

18
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Alkyne stretch

2100-2200

19
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Terminal Alkyine =_ C - H stretch

3300

20
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Benzene

1500 to 1600

21
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C=O Stretch

1700

22
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Aldehyde =C-H stretch

2700

23
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carboxlyic OH stretch

2400 to 3600

24
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benozic acid c=o stretch

1680

25
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Esters C=O stretch

1735-1745

26
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Nitriles C triple bond N

2200-2250

27
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Anhydrides

Two C=O stretches, 1760, 1820

28
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acid chloride

1800

29
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amide c=O

1650-1675

30
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Amide (general)

can differentiate between primary, secondary and tertiary by looking at N-H stretch

31
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N-H Stretch

3200-3400

32
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N-H bend

1640

33
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N-H stretch amines

3200-3375