The synthesis, molecular structure and magnetic properties of [Cu 2L(μ-OH)CH 3CN] 2[Cu 6I 10] and [Cu 2 L(μ-Br)]Br 2, where L = 2,6-Bis( N,N′-dimethylethylenamineformimidoyl)-4-methylphenolato

The synthesis, molecular structure and magnetic properties of [Cu 2L(μ-OH)CH 3CN] 2[Cu 6I 10] and [Cu 2 L(μ-Br)]Br 2, where L = 2,6-Bis( N,N′-dimethylethylenamineformimidoyl)-4-methylphenolato

The properties of two binuclear copper(II) complexes prepared from the same binucleating ligand are reported. The binuclear units are structurally very similar, but one binuclear unit incorporates a bromine ion into a bridging position, while the other binuclear unit incorporates a hydroxide into th...

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Bibliographic Details
Published in:Inorganica Chimica Acta 1990, Vol.172 (2), p.211-220
Main Authors: Firmin, Dale A., Quilano, Estelle R., Cameron, Robert, Pant, Arun K., Stevens, Edwin D., O'Connor, Charles J., Kahn, Olivier, Mallah, Talal
Format: Article
Language:eng
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Summary:The properties of two binuclear copper(II) complexes prepared from the same binucleating ligand are reported. The binuclear units are structurally very similar, but one binuclear unit incorporates a bromine ion into a bridging position, while the other binuclear unit incorporates a hydroxide into the bridge. The intramolecular coupling parameters are 2 J=−157 cm −1 and 2 J=−478 cm −1 for the bromide and hydroxide bridging analogs, respectively. The hydroxide analog has the unusual feature of a [Cu 6I 10] 4− hetero-polyanion. Crystal data: complex A, [Cu 2(C 17H 27N 4O)(OH)(CH 3CN)] 2[Cu 6I 10], a=10.476(3), b=11.846(6), c=13.558(7) Å, α=97.77(4), β=99.62(3), γ=96.33(3)°, space group P 1 , Z=2; complex B, [C 17H 27N 4O)(Br)]Br 2, a=11.836(2), b=16.543(4), c=23.021(5) Å, space group Pbca, Z=8.
ISSN:0020-1693
1873-3255