Magnetic and spectral properties of binuclear nickel(II) nitrato and acetato complexes of tridentate schiff bases derived from salicylaldehydes and N-substituted trimethylenediamines.

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概要

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• A new series of binuclear Ni(II) complexes with the empirical formula Ni(5-Y-sal·pr·NRR′)X has been prepared by the reaction of the parent complexes, Ni(5-Y-sal·pr·NRR′)<SUB>2</SUB> with metal salts NiX<SUB>2</SUB>, where 5-Y-sal·pr·NRR′= Schiff base ligand derived from 5-substituted salicylaldehyde and <I>N</I>-substituted trimethylenediamine, R=H or CH<SUB>3</SUB>, R′=CH<SUB>3</SUB>, Y=H or Cl and X=NO<SUB>3</SUB> or CH<SUB>3</SUB>COO. The nature of the complexes has been confirmed to be dimeric on the basis of the results of molecular weight, magnetic and spectral measurements. The values of exchange integral, <I>J</I>=−10–−15 cm<SUP>−1</SUP>, have been evaluated for the Ni(II) complexes from their temperature dependences of magnetic susceptibilities. The antiferromagnetic property has been discussed in terms of structural considerations. For comparison, the corresponding Cu(II) complexes Cu(5-Y-sal·pr·NRR′)X have been prepared and investigated.

• 公益社団法人 日本化学会の論文

著者

• Tokii Tadashi

  Department Of Chemistry And Applied Chemistry Facukty Of Science And Engineering Saga University

• Muto Yoneichiro

  Department Of Chemistry Faculty Of Science And Engineering Saga University

• Emori Shuji

  Department Of Chemistry And Applied Chemistry Faculty Of Science And Engineering Saga University

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