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  • Arsonium hexafluoroantimonate, hexafluoroarsenate, stibonium hexafluoroantimonate  (1)
  • IR spectra  (1)
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  • 1
    ISSN: 0044-2313
    Keywords: Methoxy(oxy)sulfonium hexafluoroarsenate ; preparation ; IR spectra ; force field calculation ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structure, Vibrational Spectra, and Valence Force Field of Methoxy(oxy)-sulfonium Hexafluoroarsenate CH3OSO+ AsF6-Methoxy(oxy)sulfonium hexafluoroarsenate CH3OSO+ AsF6- crystallizes in the monoclinic space group P21/n with a = 547,0(4) pm, b = 1 728.1(5) pm, c = 767.8(4) pm, β = 106.69(4)°, Z = 4. The cation is planar with bond distances d(CO) = 150.2(9) pm, d(SO) = 150.5(5) pm, d(SO) = 139.7(5) pm and angles ∢ (COS) = 125.8(4)°, ∢ (OSO) = 114.9(3)°.The vibrational frequencies of the cation are discussed with correspondence to the values of 34S and 18O labelled substituted species. A force field calculation equates f(CO) = 3.75 Ncm-1, f(SO) = 6.91 Ncm-1, f(SO) = 10.81 Ncm-1.
    Notes: Methoxy(oxy)sulfonium-hexafluoroarsenat CH3OSO+ AsF6- kristallisiert in der monoklinen Raumgruppe P21/n mit a = 547,0(4) pm, b = 1 728,1(5) pm, c = 767,8(4) pm, β = 106,69(4)°, Z = 4. Das Kation ist planar mit Bindungsabständen von d(CO) = 150,2(9) pm, d(SO) = 150,5(5) pm, d(SO) = 139,7(5) pm und Winkeln ∢ (COS) = 125,8(4)°, ∢ (OSO) = 114,9(3)°.Die Schwingungsfrequenzen des Kations werden unter Einbeziehung der 34S und 18O markierten Spezies diskutiert. Eine Kraftfeldberechnung ergibt f(CO) = 3,75 Ncm-1, f(SO) = 6,91 Ncm-1, f(SO) = 10,81 Ncm-1.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 753-756 
    ISSN: 0044-2313
    Keywords: Arsonium hexafluoroantimonate, hexafluoroarsenate, stibonium hexafluoroantimonate ; vibrational, mass spectra ; general valence force field ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Preparation of Pnikogenonium Salts AsH4+SbF6-, AsH4+AsF6-, SbH4+SbF6-The preparation of the pnikogenonium salts AsH4+SbF6-, AsH4+AsF6- and SbH4+SbF6- by protonation from the hydrides AsH3, SbH3 in superacidic systems HF/SbF5 and HF/AsF5, resp. is reported. The salts are characterized by vibrational and mass spectra. A general valence force field is calculated. The following onium ions are know as hexafluoroantimonate: \documentclass{article}\pagestyle{empty}\begin{document}$$ \begin{array}{l} {\rm NH}_4 \,^ + \,\,\,\quad{\rm OH}_3 \,^ + \,\,\,\quad{\rm FH}_2 \,^ +\\ {\rm PH}_4 \,^ + \,\,\,\quad{\rm SH}_3 \,^ +\\ {\rm ASH}_4 \,^ + \quad{\rm SeH}_3 \,^ +\\ {\rm SbH}_4 \,^ +\\ \end{array} $$\end{document}
    Notes: Es wird über die Darstellung der Pnikogenoniumsalze AsH4+SbF6-, AsH4+AsF6- und SbH4+SbF6- aus AsH3 bzw. SbH3 durch Protonierung in den supersauren Systemen HF/SbF5 bzw. HF/AsF5 berichtet. Ihre Charakterisierung erfolgt schwingungsspektroskopisch und durch Massenspektren. Aus den Schwingungsfrequenzen wurden für AsH4+ und SbH4+ Kraftfelder (GVFF) berechnet. Damit sind folgende Oniumionen als Hexafluoroantimonate bekannt: \documentclass{article}\pagestyle{empty}\begin{document}$$ \begin{array}{l} {\rm NH}_4 \,^ + \,\,\,\quad{\rm OH}_3 \,^ + \,\,\,\quad{\rm FH}_2 \,^ +\\ {\rm PH}_4 \,^ + \,\,\,\quad{\rm SH}_3 \,^ +\\ {\rm ASH}_4 \,^ + \quad{\rm SeH}_3 \,^ +\\ {\rm SbH}_4 \,^ +\\ \end{array} $$\end{document}.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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