Synthesis and Structures of Two Ba(II) Metal–Organic Frameworks Based on Pyridine-2,6-Dicarboxylic Acid N-Oxide

  • Li-Li Wen
  • Fang-Ming Wang
  • Xiao-Ke Leng
  • Miao-Miao Wang
  • Qing-Jin Meng
  • Hui-Zhen Zhu


Hydrothermal and solution reactions of pyridine-2,6-dicarboxylic acid N-oxide (2,6-PDCO) and BaCl2·2H2O yield two metal–organic frameworks; namely [Ba(2,6-PDCO)] n (1) and [Ba(2,6-PDCO)·H2O] n (2), respectively. Single-crystal X-ray analyses reveal that compound 1 is a dense framework whereas compound 2 is a porous one, though both compounds have an infinite two-dimensional (2D) layer structure. Compounds 1 and 2 are the first examples of pyridine dicarboxylic acid N-oxide introduced into the alkaline earth metal–organic framework.


Barium(II)-metal–organic frameworks Crystal structure 



This work was financially supported by the National Nature Science Foundation of China (Grant 20771056 and 20801021), China Postdoctoral Science Foundation (20070420985), and Jiangsu Planned Projects for Postdoctoral Research Funds (0702021C).


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© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Coordination Chemistry Institute, State Key Laboratory of Coordination ChemistryNanjing UniversityNanjingPeople’s Republic of China
  2. 2.Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, College of ChemistryCentral China Normal UniversityWuhanPeople’s Republic of China

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