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Hydrothermal synthesis and structural characterization of three one-dimensional heteropolytungstates formed by mono-copperII-substituted dawson or Keggin cluster units

  • Bing Li
  • , Dan Zhao
  • , Guo Yu Yang*
  • *此作品的通讯作者
  • CAS - Fujian Institute of Research on the Structure of Matter
  • Zhejiang Agriculture and Forestry University
  • Fujian Normal University

科研成果: 期刊稿件文章同行评审

摘要

Reactions of monovacant Dawson-/Keggin-polyoxoanions, formed in situ from trivacant Dawson-/Keggin-precursors, with copper complexes under hydrothermal conditions lead to three inorganic-organic hybrid polyoxotungstates [Cu(en)2(H2O)]2{[Cu(en)2(H2O)]2[Cu(en)2]4[Cu(en)2][α2-P2W17CuO61]2}·(OH)2·12H2O (1), [Cu(dap)2][Cu(dap)2(H2O)]2[α-PW11CuO39]·(OH)·2H2O (2) and (H2en)2[α-PW11CuO39][Cu(en)2(H2O)2]0.5·1.5H2O (3) (en = ethylenediamine and dap = 1,2-diaminopropane). X-ray structural analyses demonstrate that 1 exhibits the first zigzag 1-D chain arrangement constructed from mono-copperII-substituted Dawson dimeric polyoxoanions [α2-P2W17CuO61]216-linked by [Cu(en)2]2+ bridges, whereas 2 and 3 display 1-D linear chain architectures made up of mono-copperII-substituted Keggin polyoxoanions [α-PCuW11O39]5- linked together via corner-sharing MO6 octahedra (M = Cu or W).

源语言英语
页(从-至)629-639
页数11
期刊Journal of Cluster Science
20
3
DOI
出版状态已出版 - 2009
已对外发布

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