Synthesis, Structures, Fluorescence and Magnetism of Two Lanthanide Metal-organic Frameworks with CaF2 Topology Based on Silicon-centered Tetrahedral Ligand

doi:10.1007/s40242-013-2473-4

Chemical Research in Chinese Universities ›› 2013, Vol. 29 ›› Issue (4): 611-616.doi: 10.1007/s40242-013-2473-4

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Synthesis, Structures, Fluorescence and Magnetism of Two Lanthanide Metal-organic Frameworks with CaF₂ Topology Based on Silicon-centered Tetrahedral Ligand

LI Yang-xue, XUE Ming, HUANG Lin, CHEN Si-ru, QIU Shi-lun

State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, P. R. China

Received:2012-12-04 Revised:2013-01-02 Online:2013-08-01 Published:2013-07-15
Contact: XUE Ming, QIU Shi-lun E-mail:xueming@jlu.edu.cn;sqiu@jlu.edu.cn
Supported by:
Supported by the National Basic Research Program of China(Nos.2011CB808703, 2012CB821700) and the National Natural Science Foundation of China(Nos.91022030, 21101072).

Abstract

Abstract:

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 and JUC=Jilin University China] were synthesized by the self-assembly of a rigid silicon-centered tetrahedral carboxylate ligand H₄TCPS and Pr(III) ions in different solvothermal reactions. X-Ray crystallography revealed that they exhibited a rare CaF₂ topology framework, constructed from the 4-connected tetrahedral TCPS unit with the 8-connected dinuclear praseodymium cluster unit and trinuclear praseodymium cluster unit, respectively. In addition, the luminescent and magnetic properties of the two compounds were investigated.

Key words: Metal-organic framework, Tetrakis(4-carboxyphenyl)silane, CaF₂ topology, Magnetic property, Fluorescence

LI Yang-xue, XUE Ming, HUANG Lin, CHEN Si-ru, QIU Shi-lun. Synthesis, Structures, Fluorescence and Magnetism of Two Lanthanide Metal-organic Frameworks with CaF₂ Topology Based on Silicon-centered Tetrahedral Ligand[J]. Chemical Research in Chinese Universities, 2013, 29(4): 611-616.

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Synthesis, Structures, Fluorescence and Magnetism of Two Lanthanide Metal-organic Frameworks with CaF₂ Topology Based on Silicon-centered Tetrahedral Ligand

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