Binuclear Mo(VI) and W(VI) complexes of nicotinamide, [M204L(OH)4] (where M = Mo (vI) or W(VI) and L = nicotinamide) have been synthesized in acidic medium and characterized. The i.r. studies indicate that the coordination occurs through the pyridine ring Nand N of the primary amide group. But since the complexes are binuclear, the ligand is possibly bridging in nature. Bridging also occurs through the M-O-M groups, and the complexes, have a binuclear octahedral structure.
R SINGH ,A K SEXENA ,M N SRIVASTAVA ,
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