基于大环醚和三价卤化铋阴离子的超分子杂化化合物:合成、结构及性质
Synthesis, Structure and Properties of a Supramolecular Hybrid Compound Based on Macrocyclic Assemblies
作者单位E-mail
彭艳红 湖北科技学院核技术与化学生物学院, 非动力核技术协同创新中心, 咸宁 437100 chempengyh@163.com 
孙绍发 湖北科技学院核技术与化学生物学院, 非动力核技术协同创新中心, 咸宁 437100 sunshaofa@mail.hbust.com 
杨绪红 湖北科技学院核技术与化学生物学院, 非动力核技术协同创新中心, 咸宁 437100
贵州大学绿色农药与生物工程教育部重点实验室, 贵阳 550025 
yxh502@163.com 
李艳 湖北科技学院核技术与化学生物学院, 非动力核技术协同创新中心, 咸宁 437100  
高涛 湖北科技学院核技术与化学生物学院, 非动力核技术协同创新中心, 咸宁 437100  
汪舰 湖北科技学院核技术与化学生物学院, 非动力核技术协同创新中心, 咸宁 437100  
摘要: 基于大环自组装和多卤阴离子合成了有机-无机杂化超分子化合物,[(1,4-PMNH3)·(18-crown-6)]·[(H3O)·(18-crown-6)]2·[(H2O)·(18-crown-6)]·(18-crown-6)·(Bi2Cl9)(1)。化合物属正交晶系,Pca21空间群,a=2.4830(3)nm,b=1.1618(3)nm,c=3.3161(2)nm,V=9.566(2)nm3。并通过其红外光谱、粉末衍射、热重分析和单晶结构分析对化合物进行了充分表征。在转子定子型的超分子化合物1中,大环超分子阳离子和(Bi2Cl9)3-阴离子交错堆积形成包合物结构。并在室温下对其固体荧光性质进行测试表征。通过DSC对其热稳定性进行了详细分析。
关键词: 晶体结构  荧光  五环自组装  超分子
基金项目: 湖北省教育厅基金(No.Q20142801,T201419)资助项目。
Abstract: The first pentacyclic supramolecular hybrid compound based on macrocyclic assemblies and multichloro-metal anion, [(1,4-PMNH3)·(18-crown-6)]·[(H3O)·(18-crown-6)]2·[(H2O)·(18-crown-6)]·(18-crown-6)·(Bi2Cl9)(1), has been synthesized and characterized by single crystal X-ray diffraction, XRPD, elemental analysis, UV, DSC, TGA, IR and 1H NMR (1,4-PMNH3+=1,4-phenylenedimethanaminium). Compound crystallizes in the orthorhombic system, space group Pca21, with a=2.483 0(3) nm, b=1.161 8(3) nm, c=3.316 1(2) nm and V=9.566(2) nm3. There are five 18-crown-6 macrocyclic molecules with different structural parameters to build the pentacyclic structure. And the macrocyclic assemblies ([(1,4-PMNH3)·(18-crown-6)]+, [(H3O)·(18-crown-6)]+ and [(H2O)·(18-crown-6)]) were formed by the guest molecules (1,4-PMNH3+, H3O+ and H2O) inserting into the crown-ether macrocycle through strong N(O)donor-H…Oacceptor H-bonding interactions. The (Bi2Cl9)3- cluster was composed of three μ2-Cl donors and six terminal Cl atoms. The macrocyclic assemblies and anion clusters were alternately stacked together to build the H-bonding supramolecular multi-component compound. CCDC: 917407.
Keywords: crystal structure  fluorescence  pentacyclic assembly  supramolecular
投稿时间:2013-09-21 修订日期:2014-01-28
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彭艳红,孙绍发,杨绪红,李艳,高涛,汪舰.基于大环醚和三价卤化铋阴离子的超分子杂化化合物:合成、结构及性质[J].无机化学学报,2014,30(6):1413-1420.
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