Research Article
Synthesis, Spectroscopic Characterization and Biological Activities of Transition Metal Complexes Derived from a Tridentate Schiff Base
Table 1
Physical and analytical data of the synthesized Schiff base and its complexes.
| | Compound | Empirical formula | Yield (%) |
Colour | Found (Calcd) (%) |
Formula weight | ( M) Ohm−1cm2 | (B.M.) | | M | C | H | N | |
mol−1 × 10−3 |
| | HL | C25H24N4O3 | 64 | Brown | — | 69.97 (70.08) | 5.21 (5.64) | 12.95 (13.07) | 428.4 | — | — | | CuL2 | CuC50H46N8O6 | 58 | Dark Brown | 6.76 (6.88) | 64.89 (65.02) | 5.14 (5.02) | 12.02 (12.13) | 923.1 | 2.6 | 1.88 | | NiL2 | NiC50H46N8O6 | 56 | Brown | 6.07 (6.45) | 65.42 (65.70) | 4.87 (5.07) | 12.12 (12.26) | 913.5 | 1.6 | 2.97 | | CoL2 | CoC50H46N8O6 | 62 | Red | 6.14 (6.42) | 65.35 (65.72) | 4.75 (5.07) | 12.05 (12.26) | 913.3 | 1.9 | 4.38 | | ZnL2 | ZnC50H46N8O6 | 56 | Yellow | 7.10 (7.22) | 65.20 (65.42) | 4.99 (4.85) | 12.17 (12.31) | 920.2 | 1.8 | Diamagnetic |
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