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Articles by Xiaoxia Liu
Total Records ( 2 ) for Xiaoxia Liu
  Xinxin Xu , Xiaoxia Liu , Ting Sun , Xia Zhang and Enbo Wang
  We have synthesized four coordination polymers with two different nitrogen containing organic ligands and different lanthanide metal ions, under hydrothermal condition. [lcubLn2(bpdc)3(H2O)2rcub]n (Ln = Dy (1), Sm (2)) (bpdc = 2,2-bipyridine-3,3-dicarboxylic acid) are isostructural, with 2-D supramolecular layer structure composed from 1-D chains. Like 1 and 2, [lcubLn(pzda)2(H2O)2rcub · 4H2O]n (Ln = Dy (3), Nd (4)) (pzda = pyrazine-2,6-dicarboxylic acid) are also isostructural with 1-D chain-like structures. The photoluminescence of 2 is studied.
  Xinxin Xu , Xiaoxia Liu , Xia Zhang and Ting Sun
  Five new coordination polymers synthesized from d10 metal ions, aliphatic carboxylic acids, and bidentate nitrogen ligands have been characterized with single crystallographic X-ray analysis, IR, and TG. Compound 1 has a twofold 3-D network. During the synthesis of 1, fumaric acid reacts with water giving malic acid, which coordinates Cd forming 2. If we use Zn instead of Cd, 1-D chain-like 3 is formed. With hydrogen bonds and π-π interactions, the 1-D covalent chains form a 3-D supramolecular network. The 3-D supramolecular networks connect together and form a twofold interpenetration structure. Compound 4 shows a 2-D layer structure. Compound 5 exhibits 1-D double-chain structure composed by hydrogen bonds. We studied the fluorescence of 1, 2, 3, and 5.
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