Thiacalix[4]arene-Supported Kite-Like Heterometallic Tetranuclear ZnIILnIII3 (Ln = Gd, Tb, Dy, Ho) Complexes

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• 作者：Kongzhao Su ; Feilong Jiang ; Jinjie Qian ; Mingyan Wu ; Kecai Xiong ; Yanli Gai ; Maochun Hong
• 刊名：Inorganic Chemistry
• 出版年：2013
• 出版时间：April 1, 2013
• 年：2013
• 卷：52
• 期：7
• 页码：3780-3786
• 全文大小：360K
• 年卷期：v.52,no.7(April 1, 2013)
• ISSN：1520-510X

文摘

Four kite-like tetranuclear Zn^IILn^III₃ (Ln= Gd 1, Tb 2, Dy 3, Ho 4) clusters supported by p-tert-butylthiacalix[4]arene (H₄BTC4A) have been prepared under solvothermal conditions and structurally characterized by single crystal X-ray diffraction and powder X-ray diffraction (PXRD). In the structures of these four complexes, each of them is capped by two tail-to-tail p-tert-butylthiacalix[4]arene molecules to form a bent sandwich-like unit. The photoluminescent analyses reveal that the H₄BTC4A is an efficient sensitizer for Tb³⁺ ions in 2. The magnetic properties of complexes 1鈥?b>4 are also investigated, in which complex 3 exhibits slow magnetization relaxation typical for single molecule magnets.