|
Absorption Bands |
CG cm-1 | CB cm-1 | CN cm-1 | CK cm-1 |
|---|---|---|---|---|
| CH3 and CH2, C-H Anti symm. stretching (νas) | 2975-2960 | 2975-2953 | 2925.6 | 2927.6 |
| CH3 and CH2, C-H Symm. Stretching (νs) | 2850-2840 | 2855-2840 | 2855.1 | 2855.7 |
| >C=O stretching | - | - | 1727.6 | 1736.0 |
| COO-, C-O Antisymm. Stretching | 1590 | 1590 | 1592.8 | 1609.3 |
| CH3, C-H sym. Bending (δs) | - | - | 1377 | 1377.3 |
| CH2, C-H Bending (δ) (twisting and wagging) | 1295 | 1310 | 1340 | 1345 |
| =C-H, out-of-plane bending of C-H (strong) | - | - | 761.3 | 759.1 |
| CH2, C-H rocking | 730 | 730 | 670.2 | 669.2 |
| Cu-O stretching | 665 | 670 | 480 | 480 |