Abstract
The reactions of GeCl4 with 2-hydroxynaphthaldehyde pyridinoylhydrazones (H2L) in methanol give complexes [Ge(L · HCl)2] · nH2O. The data of mass spectrometry, thermogravimetry, and IR and 1H NMR spectroscopy indicate that the ligand molecules are protonated at the pyridine nitrogen atom with hydrogen chloride and coordinated to germanium in the tridentate mode through the azomethine nitrogen atom and the oxyazine and oxy group oxygen atoms. The structure of the complex with isonicotinoylhydrazone (H2Inf), [Ge(Inf · HCl)2] · 5H2O has been determined by X-ray diffraction
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