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New [2 × 2] cyclic framework that induces distortions from square planar to tetrahedral around the copper(II) centers

2007; Elsevier BV; Volume: 10; Issue: 11 Linguagem: Inglês

10.1016/j.inoche.2007.07.030

1879-0259

Mitsuru Kondo, Yuhki Shibuya, K. Nabari, Makoto Miyazawa, Sachie Yasue, Kenji Maeda, Fumio Uchida,

Magnetism in coordination complexes

Abstract A new tetracopper(II) complex [Cu4(bsbd)4] (bsbd = bis(N-salicylidene)benzene-1,4-diamine) has been prepared and structurally characterized. The complex constructs a [2 × 2] cyclic coordination framework, which inhibits formation of square planar copper(II) centers, and induces distortion to a tetrahedral structure. The effects of the distortions on the absorption spectra are characterized.