Synthesis, structures, fluorescence and magnetism of two lanthanide metal-organic frameworks with CaF 2 topology based on silicon-centered tetrahedral ligand
作者： Yang-xue Li , Ming Xue , Lin Huang , Si-ru Chen , Shi-lun Qiu
DOI: 10.1007/S40242-013-2473-4
关键词:
摘要: Two 3D multifunctional lanthanide metal-organic frameworks(MOFs), Pr(HTCPS)(H2O)·2DMF·C2H5OH·5H2O(JUC-93) and Pr3(TCPS)2(NO3)(H2O)4(DMA)2·2DMA·C2H5OH·3H2O(JUC-94)[H4TCPS=tetrakis(4-carboxyphenyl)silane, DMF=N,N′-dimethylformamide, DMA=N,N′-dimethylacetamide JUC=Jilin University China] were synthesized by the self-assembly of a rigid silicon-centered tetrahedral carboxylate ligand H4TCPS Pr(III) ions in different solvothermal reactions. X-Ray crystallography revealed that they exhibited rare CaF2 topology framework, constructed from 4-connected TCPS unit with 8-connected dinuclear praseodymium cluster trinuclear unit, respectively. In addition, luminescent magnetic properties two compounds investigated.
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