Synthesis and Characterization of Potassium α-and βTrivanadononatungstogermanate

Chem. J. Chinese Universities ›› 1993, Vol. 14 ›› Issue (4): 458.

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Synthesis and Characterization of Potassium α-and βTrivanadononatungstogermanate

CHEN Ya-Guang, QU Lun-Yu, PENG Jun, YU Ming

Department of Chemistry, Northeast Normal Uaitvrsity, Changchnn, 130024

Received:1992-08-14 Revised:1992-10-29 Online:1993-04-24 Published:1993-04-24

Abstract

Abstract: Potassium α-and β-trivanadononatungstogermanates were prepared and characterized by elementary analysis, IR, UV, ⁵¹Vand ¹⁸³W NMRspectra, polarography, TG-DTAthermal analysis, and single crystal X-ray diffraction analysis.The results show that these new compounds have Keggin anion structures, in which three Vatoms belong to three different M₃O₁₃ units and link to each other by sharing a oxygen atom.The α-isomer is A-type structure and has a little stronger oxidation ability than the β-isomer.In comparison with GeW₁₂, the thermal stabilities of substituted heteropoly compounds GeW₉V₃decrease and their oxidation abilities increase greatly.

Key words: Trisubsttuted heteropoly compound, Trivanadononatungstogermanate, Synthesis, Characterization

TrendMD:

CHEN Ya-Guang, QU Lun-Yu, PENG Jun, YU Ming . Synthesis and Characterization of Potassium α-and βTrivanadononatungstogermanate[J]. Chem. J. Chinese Universities, 1993, 14(4): 458.

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Synthesis and Characterization of Potassium α-and βTrivanadononatungstogermanate

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