Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| wavenumber (cm–1) | functional groups | |
|---|---|---|
| 3690 |
|
|
| 3390 | phenolic −OH hydroxyl groups | |
| 2925 | aliphatic C–H bands | |
| 1575 | antisymmetric νCOO– of carboxyl salt | |
| 1380 | symmetric νCOO– of carboxyl salt | |
| 1100 | νCO (phenolic), νOH (aliphatic) | |
| 1040 | νC–N | |
| 1005 | νCO | |
| 910 | out-of-phase δCH (aromatic) |
