Hydrothermal syntheses and structures of three one-dimensional heteropolytungstates formed by Dawson or Keggin cluster units
- 11 June 2001
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 13,p. 2009-2014
- https://doi.org/10.1039/b103024h
Abstract
Single crystals of [Cu(en)2(OH2)]2[H2en][{Cu(en)2}P2CuW17O61]·5H2O 1, [Cu(en)2(OH2)]2[Cu(en)2]0.5[H2en]0.5[{Cu(en)2}P2CuW17O61]·5H2O 2 and [Co(dpa)2(OH2)2]2[Hdpa][PCoW11O39] 3 (dpa = di-2-pyridylamine) have been hydrothermally synthesized and characterized by IR, TGA and single-crystal structural analysis. Compounds 1 and 2 contain an unprecedented chain of Dawson polyoxoanions, whereas 3 has a chain structure similar to that of [NEt3H]5[XCoW11O39], (X = P or As).Keywords
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