[Co2(ppca)2(H2O)(V4O12)0.5]:: A framework material exhibiting reversible shrinkage and expansion through a single-crystal-to-single-crystal transformation involving a change in the cobalt coordination environment

被引:189
作者
Chen, CL
Goforth, AM
Smith, MD
Su, CY
zur Loye, HC [1 ]
机构
[1] Univ S Carolina, Dept Chem & Biochem, Columbia, SC 29208 USA
[2] Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Peoples R China
关键词
cobalt; dynamic structural changes; ligand design; microporous materials; vanadium;
D O I
10.1002/anie.200502309
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Figure Presented) Shrinkage factor: The ligand ppca (4-(pyridin-4-yl) pyridine-2-carboxylic acid) has enabled the synthesis of a new 3D framework material, [{[Co2(ppca)2(H2O)(V 4O12)0.5]·3.62 H2O} n], which exhibits so-called dynamic structural changes". Temperature changes lead to the reversible removal of guest molecules and/or ligands (e.g. H2O) bound to the framework with a concomitant reversible structure change (see scheme). © 2005 Wiley-VCH Verlag GmbH & Co. KGaA."
引用
收藏
页码:6673 / 6677
页数:5
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