Table 2.
Some characteristic IR spectral data of [MoO2{ON=C(CH3)Ar}2] and [MoO2{OC(R)CHC(R’)=NC6H5}2].
| S. No. | Complex | υ (C=N) in cm−1 | υ (C = X; aromatic ring) or υ (C=C; β-diketone) in cm−1 | υ (Mo=O) in cm−1 |
|---|---|---|---|---|
| 1 | [MoO2{ON=C(CH3)C4H3S}2] | 1515 (m) | 1390 (w) | 900 (s) 920 (s) |
| 2 | [MoO2{ON=C(CH3)C4H3O}2] | 1500 (m) | 1410 (w) | 905 (s) 920 (s) |
| 3 | [MoO2{ON=C(CH3)C5H4N}2] | 1490 (m) | 1450 (w) | 890 (s) 910 (s) |
| 4 | [MoO2{OC(CH3)CHC(CH3)=NC6H5}2] | 1620 (s) | 1400 (m) | 915 (s) 925 (s) |
| 5 | [MoO2{OC(CH3)CHC(C6H5)=NC6H5}2] | 1610 (s) | 1380 (m) | 900 (s) 925 (s) |
| 6 | [MoO2{OC(C6H5)CHC(C6H5)=NC6H5}2] | 1605 (s) | 1370 (m) | 890 (s) 910 (s) |