Synthesis and Crystal Structures of New Mixed-Metal 1-D Coordination Polymers including a Copper-Iodide Cluster Unit

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  • ヨウ化銅クラスターを骨格に含む新規混合金属一次元配位高分子の合成と結晶構造
  • ヨウカ ドウ クラスター オ コッカク ニ フクム シンキ コンゴウ キンゾク イチジゲン ハイイ コウブンシ ノ ゴウセイ ト ケッショウ コウゾウ

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Novel mixed-metal Cu(I)-Ni(Ⅱ) coordination polymers having an infinite one-dimensional (1D) structure, {[CuI5NiIⅡ5(Pip-dtc)2(C2H5CN)]・CHCl3}n (1) and {[CuI5CuⅡI5(Hm-dtc)2(C2H5CN)]・CHCl3}n (2) (Pip-dtc- = piperidine dithiocarbamate and Hm-dtc- = hexamethylene dithiocarbamate), have been prepared and structurally characterized via X-ray diffraction. These complexes comprised a mononuclear Ni(Ⅱ) unit, CuⅡL2, and a pentanuclear Cu(I) cluster unit, CuI5I5(C2H5CN)2. The energy states of these coordination polymers were investigated via photoelectron spectroscopy and diffuse reflectance spectroscopy, which indicated the formation of the narrow bands based on the weak orbital’s overlap between the mononuclear Ni(Ⅱ) unit and the pentanuclear Cu(I) cluster unit.

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