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1990 (1)
1982 (1)
1981 (1)
1Author    G. C. Papavassiliou, D. LayekRequires cookie*
 Title    Resonance Raman and Electronic Spectra of Mixed Valence Compounds with Ni(II) ---X-Ni(rV) and Ni(II)—X-Pt(IY) Chains (X = C1 or Br)  
 Abstract    The resonance Raman and electronic spectra of compounds Ni(en)2X3, Ni(dapn)2X3 etc. and of compounds [Ni(en)2Pt(en)2X2](C104)4 (where X = Cl or Br) show that these are mixed valence compounds with a metal halide chain (en = 1,2-diaminoethane, dapn = 1,2-diaminopropane). 
  Reference    Z. Naturforsch. 37b, 1406—1409 (1982); received July 7 1982 
  Published    1982 
  Keywords    Resonance Raman Spectra, Electronic Spectra, Mixed Valence Compounds 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-1406.pdf 
 Identifier    ZNB-1982-37b-1406 
 Volume    37 
2Author    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 
3Author    Horst Grünewald, Heiner HomborgRequires cookie*
 Title    Darstellung und spektroskopische Charakterisierung von Nitridophthalocyaninatomangan(V) Preparation and Spectroscopical Characterization of Nitridophthalocyaninatom anganese(V)  
 Abstract    Nitridophthalocyaninatomanganese(V), M nN Pc(2-), has been prepared by oxidation of [Mn(OH):Pc(2-)]~ with chlorine in the presence of excess ammonia in dichloromethane as a chemically very stable, diamagnetic microcrystalline blue powder. The band at 1053 cm 1 in the infrared and resonance Raman spectra is assigned to v(Mn=N). The strong resonance en­ hancement of v(Mn=N) coincides with an electronic transition at 461 nm assigned to (N —> Mn) electron transfer. The UV-VIS spectrum in 1-chloronaphthalene is compared with that of the M nN Pc(2-)-H -,S04 adduct and the phthalocyanine-7r-cation radical [MnNPc(l -) ] +. 
  Reference    Z. Naturforsch. 45b, 483—489 (1990); eingegangen am 30. November 1989 
  Published    1990 
  Keywords    Nitridophthalocyaninatomanganese(V), IR Spectra, Resonance Raman Spectra, UV-VIS Spectra 
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 TEI-XML for    default:Reihe_B/45/ZNB-1990-45b-0483.pdf 
 Identifier    ZNB-1990-45b-0483 
 Volume    45