Synthesis and Crystal Structure of a 1D Alternate Chain Polymer [Zn2(NBA)2(4,4′-bipy)]n |
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作者姓名: | WANG Ke-Wei YIN Pei-Xiu SHEN Yi-Cheng LI Zhao-Ji QIN Ye-Yan YAO Yuan-Gen |
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作者单位: | State Key Laboratory of Structural Chemistry, Fujian Institute of Research on theStructure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China |
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基金项目: | This work was supported by the State Key Basic Research and Development Plan of China (001CB 108906), the Knowledge Innovation Program of the Chinese Academy of Sciences, the NSF (2006J0015) and the Major Special Foundation of Fujian Province (2005HZ1027, 2005HZ01-1 ) |
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摘 要: | A one-dimensional zinc-containing coordination polymer, [Zn2(NBA)2(4,4′-bipy)]n (NBA = 3-nitrobenzoic acid, 4,4′-bipy = 4,4′-bipyrindine), has been solvothermally synthesized and characterized by single-crystal X-ray diffraction, IR and elemental analysis. The crystal structure is of monoclinic, space group C2/c with a = 24.6478(2), b = 14.0964(3), c = 11.4275(2)A, β=108.7870(10)°, V = 3758.89(11) ,A^3, C38H20N6O16Zn2, Mr = 947.34, Z = 4, De = 1.674 g/cm^3 μ= 1.363 mml, F(000) = 1912, R = 0.0720 and wR = 0.2277 for 2841 observed reflections (I 〉 2σ(I). In this compound, NBA in syn-syn coordination mode bridges zinc centers into dimericzinctetracarboxylate [Zn2(COO)4] secondary building units (SBUs) which are linked through μ-4,4′-bpy affording 1D alternating chains. These adjacent chains are further stacked through intermolecular π...π interactions to form a 3D framework.
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关 键 词: | 合成 晶体结构 3D结构 锌聚合体 |
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