IR spectroscopy

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12 Terms

1
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Aromatic C-C bond

2 Peaks from 1500-1600cm^-1

2
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C=C

1650cm^-1

3
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C=O

1720cm^-1 (1735cm^-1 for esters)

4
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C≡C

2100-2300cm^-1

5
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C≡N

2100-2300cm^-1 (slightly higher than C≡C)

6
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C-H (aldehyde)

2 peaks at 2710cm^-1 and 2810cm^-1

7
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C-H (sp3)

Less than 3000cm^-1

8
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C-H (sp2)

more than 3000cm^-1

9
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C-H (sp)

3300cm^-1

10
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N-H

3300cm^-1 (1 peak for NH, 2 peaks for NH2)

11
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O-H (alcohol)

3400cm^-1 (broad and smooth peak)

12
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O-H (acid)

2500-3500cm^-1 (very broad and ugly not smooth peak)