IR spectroscopy wavenumbers
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20 Terms
1
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O-H
3600-3200 (strong, broad)
2
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Carboxylic acid O-H
2200-3600 (very broad)
3
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Primary N-H
3300-3500 (2 signals)
4
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Secondary N-H
3300-3500 (1 signal)
5
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Alkyne C-H (sp)
3300 (strong)
6
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Alkene C-H (sp2)
3000-3100
7
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Alkane C-H (sp3)
2850-3000
8
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Carbonyl C-H
2750 and 2850 (2 signals)
9
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Carbonyl carbon (C=O)
1650-1820 (strong)
10
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C=C
1600-1700
11
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Aromatic
1450-1600, 1650-2000
12
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C-C triple bond
2100-2200
13
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C-N triple bond
2200-2300
14
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Anhydride C=O
1820 and 1760
15
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Acid chloride C=O
1790
16
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Ester C=O
1735
17
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Aldehyde C=O
1730
18
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Ketone C=O
1720
19
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Carboxylic acid C=O
1715
20
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Amide C=O
1650
Note 
Flashcards (53)