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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 498 (1983), S. 121-127 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: (PPh4)2[OsCl3(NO) (SnCl3)2]; Preparation, I.R. Spectrum, and Crystal Structure(P(C6H5)4)2[OsCl3(NO)(SnCl3)2] yields from the reaction of OsCl3(NO) with PPh4-[SnCl3] in dichloro methane forming red crystals. The complex crystallizes monoclinic in the space group C2/c with four formula units per unit cell. The crystal structure was determined by aid of X-ray diffraction data (2261 independent, observed reflexions, R = 4.9%). The cell parameters are a = 1369, b = 1989, c = 2088 pm, β = 99.54°. The structure consists of tetraphenyl phosphonium cations and [OsCl3(NO)(SnCl3)2]2⊖-anions. In the anion the osmium is coordinated octahedrally by three chlorine atoms (mean bond length r Os—Cl 238 pm), two SnCl3 groups in transposition to each other (r Os—Sn 265 pm) and the N-atom of the covalently bonded nitrosyl ligand (r Os—N 173 pm). The i.r. spectrum of the anion is reported and assigned.
    Notes: (P(C6H5)4)2[OsCl3(NO)(SnCl3)2] entsteht aus OsCl3(NO) und PPh4[SnCl3] in Dichlormethan in Form roter Kristalle. Der Komplex kristallisiert monoklin in der Raumgruppe C2/c mit vier Formeleinheiten pro Elementarzelle. Die Kristallstruktur wurde mit Hilfe von Röntgenbeugungsdaten ermittelt (2 261 unabhängige, beobachtete Reflexe, R = 4,9%). Die Gitterkonstanten sind a = 1369, b = 1989, c = 2088 pm, β = 99,54°. Die Struktur besteht aus Tetraphenylphosphoniumkationen und [OsCl3(NO)(SnCl3)2]2⊖-Anionen. In diesen ist das Osmium oktaedrisch von zwei zueinander transständigen SnCl3-Gruppen (r Os—Sn = 265 pm), von drei Chloratomen (r Os—Cl im Mittel 238 pm) und von dem N-Atom des kovalent gebundenen Nitrosylliganden (r Os—N 173 pm) umgeben. Das IR-Spektrum des Anions wird mitgeteilt und zugeordnet.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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