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(英文)

Synthesis,Structure and Properties of a Supramolecular Hybrid Compound Based on Macrocyclic Assemblies

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=2.483 0(3)nm,b=1.161 8(3)nm,c=3.316 1(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。

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＋=l,4-phenylenedimethanaminium）.Compound crystallizes in the orthorhombic system,space group Pca21,with a=2.483 0（3） nm,b=l.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 crownether macrocycle through strong N（O）donor-H… Oacceptor H-bonding interactions.The （Bi2Cl9）3-cluster was composed of threeμ2-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.