Table 2.
Vibration | Frequency in H2O (cm−1) | Frequency in D2O (cm−1) |
---|---|---|
Amide I β-sheet | 1679 | 1678 |
v(C=NH+) of imine | 1658 | 1641 |
vas(CO2−) coupled to v(O=C-C=C-NH-) |
1629 | 1612 (sh) |
v(O=C-C=C-NH-) of trans-enamine |
1596 | 1580 |
Artifact | 1500 (br) | - |
vs(CO2−) | 1372 | 1378 |
triazolyl | 1288 | 1291 |
-NH-deformation of ligand and/or protein |
1238 | - |
trans HC=CH wag | 969 | 930 |