Compound | ν(O-H) | ν(C=C) + ν(C-N) | ν(C N) + ν(C C) | ν(C N) + δ(C-H) | δ(C-H) + ν(C N | ν(C-N) | ν(C-OH) | ν(M-N) | ν(M-O) |
Ligand | 3699 | 1687 | 1587 | 1440 | 1384, 1300 | 1193 | 1010 | - | - |
Cu(II) | 3462 | - | 1597 | - | - | - | 1035 | 688, 628 | 568 |
Ni(II) | 3367 | 1676 | 1583 | - | 1334 | 1172 | 1040 | 624 | 545 |
Co(II) | 3446 | - | 1575 | - | - | - | 1027 | 623 | 546 |
VO(IV) | 3462 | - | - | 1432 | - | - | - | 664 | 525 |