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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 101 (1970), S. 1559-1570 
    ISSN: 1434-4475
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Abstract Xenon(II)-bis(pentafluoro-orthotellurate), Xe(OTeF5)2 (M.P. 35–37°C), is formed in quantitative yield in the reaction of pentafluoro-orthotelluric acid, HOTeF5, with Xenondifluoride. HF is evolved during the reaction. Xe(OTeF5)2 is thermally stable up to 130°C. Above this temperature it mainly decomposes to bis(pentafluoro-tellurium)oxide, F5TeOTeF5, oxygen and xenon. Mass-spectroscopically, however, bis(pentafluoro-tellurium)peroxide and compounds of the general composition F5Te(OTeF4) x OTeF5 (x=1,2) have been identified as minor decomposition products. X-ray single crystal analysis proves the TeOXeOTe entity to be planar and the F5TeO groups intrans-position. Results of mass-, infrared-, laser-Raman- and19F-NMR-spectroscopy are given.
    Notes: Zusammenfassung Pentafluoro-orthotellursäure, HOTeF5, reagiert mit Xenondifluorid unter HF-Abspaltung quantitativ zu Xenon(II)-bis(pentafluoro-orthotellurat), Xe(OTeF5)2 (Schmp.: 35–37°C). Die Verbindung ist bis etwa 130°C thermisch stabil, oberhalb dieser Temperatur zerfällt sie hauptsächlich in Bis(pentafluorotellur)oxid, F5TeOTeF5, Sauerstoff und Xenon. Massenspektroskopisch konnten jedoch auch Bis(pentafluorotellur)peroxid, F5TeOOTeF5 und Verbindungen der allgemeinen Formel F5Te(OTeF4) x OTeF5 (x=1,2) als Zerfallsprodukte nachgewiesen werden. Röntgen-Einkristalluntersuchungen zeigen, daß Xe(OTeF5)2 eben (in bezug auf das TeOXeOTe-Skelett) gebaut ist und die F5TeO-Gruppen intrans-Stellung angeordnet sind. Das Massen-, Infrarot-, Laser-Raman- und19F-KMR-Spektrum werden untersucht.
    Type of Medium: Electronic Resource
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