| Compound |
CH alphatic |
CH aromatic |
C=O |
C=N |
C-N |
C=C |
OH |
| L1 |
3400 |
3068 |
- |
1616 |
1598 |
1425 |
1558 |
| Cu(L1)2 |
3275 |
3115 |
2922 |
1598 |
1543 |
1357 |
1467 |
| Co(L1)2 |
3307 |
- |
- |
1597 |
1541 |
1300 |
1448 |
| L2 |
3500 |
3055 |
2995 |
1622 |
1678 |
1365 |
1463 |
| Cu(L2)2 |
3392 |
3066 |
2879 |
1614 |
1560 |
1305 |
1469 |
| Co(L2)2 |
3396 |
3070 |
2881 |
1614 |
1598 |
1390 |
1477 |
| L3 |
3450 |
3074 |
2879 |
1680 |
1570 |
1431 |
1570 |
| Cu(L3)2 |
3400 |
3018 |
2885 |
1614 |
1589 |
1398 |
1442 |
| Co(L3)2 |
3433 |
- |
2881 |
1602 |
1556 |
1409 |
1436 |