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'Resonance Raman Effect' in keywords Facet   Publication Year 1979  [X]
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1979[X]
1Author    W. Preetz, G. Peters, L. RudzikRequires cookie*
 Title    Resonanz-Raman-Spektrum von Tetrabutylammoniiimoktaiododirhenat(III), [(7i-C4H9)4N]2[Re2I8] Resonance Raman Spectrum of Tetrabutylammoniumoctaiododirhenate(III), [(n-C4H9)4N]2[Re2l8]  
 Abstract    Irradiation of [(n-C4Hg)4N]2[Re2l8] at 80 K with exciting laser lines, which approxi-mately coincide with the electronic band maximum at 520 nm, exhibits resonance Raman spectra. Overtone progressions of i>i(Re-Re) and v2(Re-I), both Aig, and many combination tones are observed. The spectroscopic constants are calculated to be a>i — 258,5 cm -1 , xn = —0,42 cm-1 ; co2 -153,0 cm" 1 , x12 = —0,32 cm" 1 . 
  Reference    Z. Naturforsch. 34b, 1240—1242 (1979); eingegangen am 28. Mai 1979 
  Published    1979 
  Keywords    Octaiododirhenate(III), Preparation, Resonance Raman Effect, UVS 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1240.pdf 
 Identifier    ZNB-1979-34b-1240 
 Volume    34 
2Author    G. Peters, W. PreetzRequires cookie*
 Title    Synthese und Eigenschaften des Oktafluorodirhenat(III) -anions, [Re2F8] 2 - Synthesis and Properties of the Octafluorodirhenate(III) Anion, [Re2F8] 2 ~  
 Abstract    The reaction of [Re2Cl8] 2_ and F~, both dis-solved as ion pairs with [(n-CiH9)4N] + in nearly anhydrous CH2CI2 gives elder-coloured [(n-C4H9)4N]2[Re2F8] • 4H2O. On Laser irradia-tion of the solid complex at 80 K resonance Raman spectra are observed, exhibiting up to five overtones of vi = 320 cm -1 (Re-Re, Aig) and combination tones with v2 = 625 cm -1 (Re-F, Aig). The spectroscopic constants are u>i = 319,6 ± 0.6 cm -1 , and xn = —0,45 ± 0,05 cm-1 . The Re-Re bond energy is estimated to be 162 ± 20 kcal/mol. 
  Reference    Z. Naturforsch. 34b, 1767—1768 (1979); eingegangen am 15. August 1979 
  Published    1979 
  Keywords    Octafluorodirhenate(III), Synthesis, Resonance-Raman Effect 
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 TEI-XML for    default:Reihe_B/34/ZNB-1979-34b-1767_n.pdf 
 Identifier    ZNB-1979-34b-1767_n 
 Volume    34