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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 436 (1977), S. 283-288 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Hydrogen-bonded Dimerisation of Several P-oxo-N-hydro-cyclophosphazenes1,3,3,5,5-Pentamethoxy-1-oxo-2-hydro-cyclotriphosphazadiene and 1,3,3,5,5,7,7-heptamethoxy-1-oxo-2-hydro-cyclo-tetraphosphazatriene are hydrogen-bonded dimers in solutions of low polarity. Partial dissoziation of these dimers occurs e. g. in chloroform. Monomeric and dimeric species may be properly quantitated by infrared spectroscopy in deuterochloroform. Equilibrium constants and dissociation enthalpies were determined.
    Notes: 1,3,3,5,5-Pentamethoxy-1-oxo-2-hydro-cyclotriphosphazadien und 1,3,3-,5,5,7,7-Heptamethoxy-1-oxo-2-hydro-cyclotetraphosphazatrien liegen in Lösungen geringer Polarität als doppelt wasserstoffverbrückte Dimere vor. In Chloroform sind diese teilweise dissoziiert. Monomeres und Dimeres können infrarotspektroskopisch in Deuterochloroform quantitativ erfaßt werden. Gleichgewichtskonstanten und Dissoziationsenthalpien wurden auf diesem Wege ermittelt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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