IR spectroscopy values

Stretching and bending vibrations for IR spectroscopy OChem module 3
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eeds
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Last updated: October 3, 2024
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First submittedOctober 3, 2024
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Average score73.3%
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Range (cm-1)
Functional Group
2850-3000 (strong)
Alkanes
3400-3500 (weak)
1° Amine
3300-3400 (weak)
2° Amine
3020-3100 (medium, sharp)
Alkenes
1600-1680
Alkenes
1720-1740 (strong)
aldehyde C=O
1710-1720 (strong)
ketone
3300 (strong, sharp)
Alkynes
2100-2250
Alkyne C:::C
3030
Arenes C-H
1600 & 1500 (weak)
Arenes C=C
2240-2260 (medium, sharp)
Nitriles
3580-3650
Alcohol free OH
3200-3550 (broad)
Alcohol OH
970-1250
Alcohol (C-O)
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