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  • 1970-1974  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 405 (1974), S. 176-182 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Lattice Vibration Spectra. IX. Pyrite Structure. FIR Spectra and Normal Coordinate Analysis of MnS2, FeS2, and NiS2The FIR absorption spectra of MnS2, FeS2, and NiS2, are recorded in the range of 600 to 30 cm-1. The absorption maxima are assigned to the five IR active optical phonons of the pyrite lattice (k = 0) predicted on the basis of the factor group. Symmetry coordinates and tentative vibration forms of the lattice vibrations are communicated. The large shifting of the absorption maxima of MnS2 (to 220 cm-1) to lower wave numbers are discussed in connection with the strength of the metal sulphur bond.
    Notes: Die FIR-Spektren von MnS2, FeS2 und NiS2 werden im Bereich von 600 bis 30 cm-1 analysiert und den fünf IR-aktiven Translationsschwingungen des Pyritgitters zugeordnet. Die Symmetriekoordinaten der Gitterschwingungen und angenäherte Schwingungsformen konnten aus der Faktorgruppe abgeleitet werden. Die große bathochrome Verschiebung (bis 220 cm-1) der Absorptionsmaxima des MnS2 gegenüber FeS2 wird im Zusammenhang mit der Stärke der Metall-Schwefel-Bindung diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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