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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 343 (1992), S. 483-487 
    ISSN: 1434-601X
    Keywords: 12.40.Qq ; 13.25.+m ; 14.40.Cs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A direct search for theE R =70 keV resonance in17O(p, α)14N was carried out using17O enriched Ta2O5 targets in combination with a 1 mA proton beam and suitable detectors of large solid angle. The observed upper limit for the resonance strength isωγ≤8×10−10 eV.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 1768-1776 
    ISSN: 0044-2313
    Keywords: Metallocene dichalcogenolene ; DNMR ; EPR, X-Ray ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Characterization of Metallocene Chelates of Heterocyclic 1,2-DithiolatesSynthesis and properties of metalocene dithiolene chelates Cp2ML with metal(IV) ions (M) of group IVA (Ti, Zr, Hf) and of vanadium with L = dmit (1,3-dithiole-2-thione-4,5-dithiolate), dmt (1,2-dithiole-3-thione-4,5-dithiolate), dmid (1,3-dithiole-2-one-4,5-dithiolate) and dmise (1,3-dithiole-2-selone-4,5-dithiolate) are described. The structures of these compounds were discussed using IR-, UV/VIS-, 1H-NMR-, 13C-NMR- and EPR data. The activation parameters of the chelate ring inversion of titanocene dithiolenes (Cp2TiL) and the x-ray structure of Cp2Ti(dmid) are given.
    Notes: Synthese und Eigenschaften neuer Metallocen-Dithiolen-Chelate Cp2ML der Metall(IV)-Ionen (M = Ti, Zr, Hf) sowie des Vanadiums mit L = dmit (1,3-Dithiol-2-thion-4,5-dithiolat), dmt (1,2-Dithiol-3-thion-4,5-dithiolat), dmid (1,3-Dithiol-2-on-4,5-dithiolat) und dmise (1,3-Dithiol-2-selon-4,5-dithiolat) werden beschrieben. Die Strukturen der Verbindungen werden anhand der IR-, UV/VIS-, Massen-, 1H-NMR-, 13C-NMR- bzw. EPR-Spektren diskutiert. Die durch dynamische Kernresonanzspektroskopie bestimmten Aktivierungs-parameter der Chelatringinversion der Titanocen-Dithiolene (Cp2TiL), sowie die Röntgenkristallstrukturanalyse von Cp2Ti(dmid) werden vorgestellt.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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