Abstract
A new cluster [Fe 8 (μ 4 -O) 3 (teaH) 3 (tea)(IBA) 6 (H 2 O) 3 ](NO 3 ) 3 ·3H 2 O ( 1 ) (teaH 3 = triethylolamine, IBA = isobutyric acid) was synthesized and structurally characterized. The octanuclear cluster is constructed by three Fe 4 tetrahedrons via sharing the edges. Magnetic susceptibility measurement indicates that the antiferromagnetic couplings exist between adjacent Fe III centers with zero spin ground state. Cyclic voltammogram exhibit an irreversible redox process. A new cluster [Fe 8 (μ 4 -O) 3 (teaH) 3 (tea)(IBA) 6 (H 2 O) 3 ](NO 3 ) 3 ·3H 2 O ( 1 ) (teaH 3 = triethylolamine, IBA = isobutyric acid) was synthesized and structurally characterized. Magnetic susceptibility indicates that the strong antiferromagnetic couplings exist between adjacent Fe III centers with zero spin ground state. • A new Fe 8 cluster was synthesized and structurally characterized. • Magnetic susceptibility measurement indicates the antiferromagnetic coupling existing between adjacent Fe III centers with zero spin ground state. • Fe 8 cluster exhibits an irreversible redox process.
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