Syntheses, Structures, and Structural Transformations of Mixed Na(I) and Zn(II) Metal鈥揙rganic Frameworks with 1,3,5-Benzenetricarboxylate Ligands

详细信息    查看全文

• 作者：Ying Fu ; Jie Su ; Sihai Yang ; Zhibo Zou ; Guobao Li ; Fuhui Liao ; Ming Xiong ; Jianhua Lin
• 刊名：Crystal Growth & Design
• 出版年：2011
• 出版时间：June 1, 2011
• 年：2011
• 卷：11
• 期：6
• 页码：2243-2249
• 全文大小：986K
• 年卷期：v.11,no.6(June 1, 2011)
• ISSN：1528-7505

文摘

Three new compounds, [ZnNa(BTC)(H₂O)₂]路H₂O (1), [Zn₃Na₂(BTC)₂(HCOO)₂(H₂O)₈] (2), and [Zn₃Na(BTC)₂(HCOO)(H₂O)₃]路2H₂O (3) (H₃BTC = 1,3,5-benzenetricarboxylate acid), were synthesized under hydrothermal conditions and were characterized by the single crystal and powder X-ray diffraction, IR spectra, elemental analyses, ICP measurements, and coupled TG-MS analyses. 1, 2, and 3 crystallize in the space groups P1̅, C2/c, and P1, respectively. They are three-dimensional (3D) frameworks, consisting of zigzag chains ((Na₂Zn₂O₁₄)_n for 1, (Na₂Zn₃O₁₈)_n for 2, or (NaZn₃O₁₄)_n for 3) and bridging BTC ligands. Powder X-ray diffraction studies reveal that 1 and 2 exhibit reversible dehydration鈥搑ehydration behaviors with a crystal-to-crystal transformation observed for 2.