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  • 1
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Transition Metal Chalkogen Compounds. Preparation, I.R. spectra, Raman Spectra, and X-Ray Investigations on Compounds of the Type A3(MeOS3)CI and A2 MeOS3(A = K, Rb; Me = Mo, W)The preparation, vibrational spectra, and x-ray data of compounds of the type A3(MeOS3)Cl and A2MeOS3 (A = K, Rb; Me = Mo, W) are reported. K3(MoOS3)Cl, K3(WOS3)Cl, and Rb3(WOS3)Cl are novel salts which can be prepared by passing H2S through strong alcaline aqueous MoO42- and WO42- solutions containing KCl or RbCl. The salts crystallize in space group Pca21—C2v5 (No. 29) (Z = 4) with discrete MeOS32- tetrahedrons. The compounds A2MeOS3 (A = K, Rb; Ne = Mo, W) which are in part precipitable only by addition of organic solvents crystallize in space group Pnma—D2h16 (No. 62) with four formula units per unit cell.
    Notes: Es wird über die Darstellung, Schwingungsspektren und röntgenkristallographischen Daten von Verbindungen des Typs A3(MeOS3)Cl und A2MeOS3 (A = K, Rb; Me = Mo, W) berichtet. K3(MoOS3)Cl, K3(WOS3)Cl und Rb3(WOS3)Cl sind neuartige Doppelsalze, die beim Einleiten von H2S in wäßrige stark alkalische MoO42-- bzw. WO42--Lösungen in Gegenwart von KCl bzw. RbCl ausfallen. Die Salze kristallisieren in der Raumgruppe Pca21—C2v5 (Nr. 29) (Z = 4) mit isolierten MeOS32--Tetraedern. Die Chalkogenometallate A2MeOS3, die man z. T. lediglich durch Zugabe organischer Lösungsmittel ausfällen kann, kristallisieren in der Raumgruppe Pnma—D2h16 (Nr. 62) mit Z = 4.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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