Abstract
Abstract The Tb, Dy, Ho, Er, Tm, Yb and Lu (Ln) complexes of 2,6-diacetylpyridine-dihydrazone (L) with chlorides, perchlorates and nitrates as counterions have been prepared and characterized by spectral data, thermal and elemental analysis. They are formulated as [LnL2(H2O)2)]Cl3·2H2O, [LnL2(H2O)2]·(ClO4)3·2H2O and [LnL(NO3)3(H2O)2]·2H2O. The hydrazone acts as a terdentate NNN donor ligand and the nitrates appear to coordinate in the monodentate fashion.
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