NDLI: Synthesis and spectral characterization of zinc(II), copper(II), nickel(II) and manganese(II) complexes derived from bis(2-hydroxy-1-naphthaldehyde) malonoyldihydrazone

Content Provider	SpringerLink
Author	Lal, Ram A. Basumatary, Debajani De, Arjun K. Kumar, Arvind
Copyright Year	2007
Abstract	The present study shows that the reaction of different salts of the same metal with sterically crowded dihydrazone bis(2-hydroxy-1-naphthaldehyde)malonoyldihydrazone (CH$_{2}$LH$_{4}$) in ethanol/aqueous media gives complexes of different stereochemistry. While the reaction of zinc(II) and copper(II) sulphate with dihydrazone yields tetrahedral complexes, the zinc(II) and copper(II) chlorides give square pyramidal and distorted octahedral complexes, respectively. On the other hand, nickel(II) sulphate and chloride, both give high-spin octahedral complexes with dihydrazone, manganese sulphate gives low-spin octahedral and manganese(II) chloride gives high-spin octahedral complexes. The reaction of these complexes with KF has been investigated. All of the products have been characterized by analytical, magnetic moment and molar conductivity data. The structures of the complexes have been established by spectroscopic studies.
Starting Page	481
Ending Page	493
Page Count	13
File Format	PDF
ISSN	03404285
Journal	Transition Metal Chemistry
Volume Number	32
Issue Number	4
e-ISSN	1572901X
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2007-05-02
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Catalysis Physical Chemistry Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry Materials Chemistry Metals and Alloys

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Synthesis and spectral characterization of zinc(II), copper(II), nickel(II) and manganese(II) complexes derived from bis(2-hydroxy-1-naphthaldehyde) malonoyldihydrazone