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Hydrothermal Syntheses, Crystal Structures and Luminescence of Two Novel Metal‐organic Frameworks
Author(s) -
Chen XiaoLi,
Wang JiJiang,
Hu HuaiMing,
Fu Feng,
Shu HuiMing,
Yang MengLin,
Xue GangLin,
Du ChuanQin,
Yao YueJuan
Publication year - 2007
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200700073
Subject(s) - pentagonal bipyramidal molecular geometry , luminescence , crystallography , ligand (biochemistry) , hydrothermal circulation , photoluminescence , crystal structure , metal organic framework , metal , hydrothermal synthesis , zigzag , chemistry , trigonal bipyramidal molecular geometry , polymer , coordination polymer , chelation , single crystal , materials science , polyhedron , cadmium , inorganic chemistry , organic chemistry , geometry , biochemistry , receptor , optoelectronics , mathematics , adsorption , seismology , geology
Two novel metal–organic coordination polymers, [Cd(bqdc)(phen) 2 ] n ( 1 ), [Cd(bqdc)(phen)] n ( 2 ), (H 2 bqdc = 2,2′‐biquinoline‐4,4′‐dicarboxylic acid, phen = 1,10‐phenanthroline) were obtained with different metal/ligand ratios through hydrothermal method. Their structures were determined by single‐crystal X‐ray diffraction. In two complexes, central Cd 2+ ions and (bqdc) 2− ligands display completely different coordination modes. 1 is a 1‐D zigzag chain, two phen ligands chelate to one cadmium atom, which is rare in similar polymers. 2 is a 3‐D framework, exhibits an unusual eight‐coordinate structure (CdN 2 O 6 ) and the coordination polyhedron can be described as distorted monocapped pentagonal bipyramid. 1 and 2 are stable in air, and show blue photoluminescence at room temperature.
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