Table 3.
Important characteristic IR bands of the ligands and complexes, cm−1.
| Compound | Absorption frequencies, cm−1 | ||||||
|---|---|---|---|---|---|---|---|
| ν(O-H) | ν(N-H) | ν(C-H) | ν(C-N) | ν(C=C) | ν(C=N) | ν(C=O) | |
| 1,10-Phenanthroline monohydrate | 3439 (s, b) | — | 3045 (w) | 1290 (w) | 1623 (s) | 1587 (s) | — |
| Guanine | — | 3335, 3112 (d) | 2992 | 1256 (w) | 1692 | 1563 (w) | 1710 (s) |
| [Ru(Phen)2(Cl)2]Cl·2H2O | 3416 (s, b) | — | 2925 (w) | 1208 (w) | 1633 (w) | 1540 (w) | — |
| [Ru(Phen)2(G)(Cl)]Cl·H2O | 3431 | 3340 (s) | 2912 (w) | 1270 | 1670 | 1429 | 1697 |
s: strong, b: broad, w: weak, and d: doublet.