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IR/NMR
| 3500-3200 | OH |
|---|---|
| 3500-3100 | NH |
| 3000-2850 | CH |
| 2250-2100 | C triple bond C |
| 1750-1700 | C double bond O |
| 1680-1600 | C double bond C |
| 0.5-2.0 | H attached to sp3 C - other sp3 C - alkane region |
| 2.0-2.5 | alcohol, broad singlet |
| 2.5-3.0 | H sp3 C - sp2 C alkene, carbonyl, benzene |
| 3.5-4.0 | H on C attached to O |
| 5.5-6.5 | H on sp2 C (alkene) |
| 7-9 | aromatic region |
| 10 | aldehyde |
| 11-12 | carboxylic acids |