Sample | Wavelength (cm−1) |
O − H | 3450 |
C − H | 2930 |
C ≡ C | 2050 |
Uunsaturated aldehyde or ketone | 1705 |
C = C | 1640 |
C ≡ C conjugate | 1585 |
−CH2− −C−O−H− | 1450 1080 |