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  • 1
    ISSN: 1434-1948
    Keywords: Arsonium salts ; Superacidic systems ; Structure elicidation ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The reaction of trimethylarsane in the superacidic systems hydrogen/fluoride antimony pentafluoride and hydrogen fluoride/arsenic pentafluoride leads to trimethylarsonium fluorometallates. These salts are stable up to 60 °C and 5 °C, respectively. Structures were successfully elucidated in the cases of trimethylarsonium undecafluorodiarsenate and trimethylarsonium hexafluoroantimonate. (CH3)3AsH+As2F11- crystallizes in the monoclinic space group P21/n with four formula units per unit cell with the dimensions a = 7.362(1), b = 12.589(1), c = 13.598(1) Å and β = 95.37(1)°. (CH3)3AsH+SbF6- crystallizes in the monoclinic space group P21/m with four formula units per unit cell with the dimensions a = 8.313(1), b = 8.855(1), c = 13.285(1) Å and β = 94.358(1)°.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0044-2313
    Keywords: N,N-Dichloromethylsulfonammonium salts ; crystal structure of CH3S(O)2NCl2 ; vibrational spectra ; 1H ; 13C ; 19F NMR ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: New N,N-Dichloromethylsulfonammonium Salts CH3S(O)2NCl2X+MF6- (X = CH3, Cl, F; M = As, Sb) and Crystal Structure of CH3S(O)2NCl2The preparations of new dichlorammonium salts CH3S(O)2NCl2X+MF6- (X = CH3, Cl, F; M = As, Sb) and of CH3S(O)2NCl2 by oxidative halogenation respectively methylation are reported. The thermolabil compounds are characterized by IR, Raman, 1H, 13C, 19F NMR spectroscopy. N,N-Dichlormethylsulfonamid CH3S(O)2NCl2 crystallizes at 173(1) K in the orthorhombic space group Pnma with a = 615.1(3) pm, b = 937.3(5) pm, c = 970.3(5) pm and Z = 4.
    Notes: Die Darstellung einer Reihe von Dichlor ammoniumsalzen des Typs CH3S(O)2NCl2X+MF6- (X = CH3, Cl, F; M = As, Sb) wird angegeben. Die Salze werden durch oxidative Halogenierung bzw. Methylierung von CH3S(O)2NCl2 erhalten. Die Charakterisierung der thermolabilen Verbindungen erfolgte mittels IR-, Raman-sowie Multikern-NMR-Spektroskopie. Die Einkristallröntgenstrukturanalyse von N,N-Dichlormethylsulfonamid CH3S(O)2NCl2 bei 173(1) K ergab: orthorhombische Raum gruppe Pnma mit a = 615,1(3) pm, b = 937,3(5) pm, c = 970,3(5) pm und Z = 4.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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