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<p>The nickel(II) and copper(II) complexes of 2-substituted-1-phenyl-1,3-butanedione (2-R-bzacH, R=Cl, NO2) and their 2,2′-bipyridine (bipy) and 1,10-phenanthroline (phen) adducts have been synthesized and characterized by microanalysis, conductance, magnetic and spectral measurements. The conductivity measurements in nitromethane indicate that the complexes are non-electrolytes while all the adducts are electrolytes except Ni(NO2-bzac)2bipy and Cu(NO2-bzac)2phen which are non-electrolytes. The room temperature magnetic moments suggest that the Cu(NO2-bzac)2 is a dimer while the visible absorption spectra of the compounds suggest plausible 4-, 5- and 6-coordinate geometry for these compounds. The infrared spectra of the complexes showed that lower frequency shifts of varying magnitudes were observed in the carbonyl stretching frequencies on complexation.</p

international journal of chemistry

Synthesis and Physicochemical Studies of Some 2-substituted-1-phenyl-1,3-butanedionato Nickel(II) and Copper(II) Complexes And Their 2,2?-Bipyridine and 1,10-Phenanthroline Adducts