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Original Articles

Binuclear Copper(II) and Nickel(II) Complexes Containing Two N4−Macrocyclic Rings Connected with a Methylene Chain of Various Lengths

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Pages 191-207 | Received 13 Sep 1982, Accepted 05 Nov 1982, Published online: 05 Dec 2006
 

Abstract

A series of complexes, [Cu2(n-dap)] (ClO4)3X mH2O (n = 2,3,4,5, and 6; m = 1∼4; X = ClO4 or Cl), [Cu2− (n-dfp)] (ClO4)3X mH2O(n = 2,3,4,5, and 6; m = 1∼4; X = ClO4 or Cl), and [Ni2(n-dap)] (ClO4)4mH2O(n =3, m = l; n = 4, m = 0) were prepared (for the abbreviation of the ligand see Fig. 1). ESR and magnetic measurements showed that weak antiferromagnetic interaction is operating between the two copper(II) ions. The interaction decreases with increasing length of the methylene chain.

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