Table 1: The most important assignments of the ligand and its complexes.
Compounds | ν(OH) free |
ν(OH) (HB) |
ν(C=N) oxime |
ν(C=N) aliph. |
ν(C=N) cyclic |
ν(M−N) | ν(M−O) | ν(HOH) |
L, C6H9N5O | 3,216 | 3,125 | 1,678 | 1,658 | 1,597 | — | — | — |
[NiLCl(H2O)]Cl·1.5H2O | 3,421 | 3,141 | 1,691 | 1,626 | 1,575 | 422 | 439 | 3,326 |
[Cd3LCl6(H2O)7] | 3,322 | 3,203 | 1,687 | 1,661 | 1,620 | 424 | 466 | 3,429(HB) |
3,281(free) | ||||||||
[Pt2LCl5(H2O)0.5(C2H5OH)0.5]3Cl | 3,313 | 3,212 | 1,699 | 1,621 | 1,535 | 434 | 470 | 3,517 |
[Cu3LCl2(H2O)5]4Cl | 3,312 | 3,193 | 1,687 | 1,622 | 1,549 | 414 | 448 | 3,440(HB) |
3,257(free) | ||||||||