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'UV spectra' in keywords Facet   Publication Year 1981  [X]
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1Author    G. Peters, W. PreetzRequires cookie*
 Title    Darstellung und Charakterisierung von Tetrabutylammonium-Tetraiodooxotechnetat(V), (TBA) [TcOI4] Preparation and Characterization of Tetrabutylammonium Tetraiodooxotechnetate(V), (TBA)[TcOI4]  
 Abstract    Pure (TBA)[TcOIi] is prepared from (TBA)[TcOCl4] by ligand exchange reaction with Nal in acetone. The vibrational spectra indicate C4v symmetry for the complex ion. On excitation with the 514.5 nm line of an Ar-laser a resonance Raman spectrum is obtained showing v(TcO) = 996 cm -1 and four of its overtones, symmetrically surrounded by groups of bands arising as well from the sums as from the differences of frequencies with the other fundamentals. In contrast to the ligand exchange reaction the reduction of Tc04 _ with conc. HI yields products always contaminated with polyiodides. The extremely strong Raman scatterer (TBA)l3 is detected by a characteristic doublet at 111 and 116 cm -1 and even small amounts of it cover the Raman spectrum of (TBA)[TcOI4]. 
  Reference    Z. Naturforsch. 36b, 138—140 (1981); eingegangen am 17. November 1980 
  Published    1981 
  Keywords    Tetraiodooxotechnetate(V), Resonance Raman Spectra, IR Spectra, UV Spectra 
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 TEI-XML for    default:Reihe_B/36/ZNB-1981-36b-0138.pdf 
 Identifier    ZNB-1981-36b-0138 
 Volume    36