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'Crystal Field Splitting Pattern' in keywords
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1976 (2)
1Author    H.-D Amberger, R. D. Fischer, G. G. RosenbauerRequires cookie*
 Title    Zur Elektronenstruktur hochsymmetrischer Komplexe der Lanthaniden und Actinoiden, I Magnetismus und Schwingungsspektren von Tris(tetraäthylammonium)-hexaisocyanato-ytterbium(III) The Electronic Structure of Highly-Symmetrical Lanthanide and Actinide Complexes, I Magnetism and Vibrational Spectra of Tris(tetraethylammonium)-hexaisocyanate-ytterbium(III)  
  Reference    (Z. Naturforsch. 31b, 1—11 [1976]; eingegangen am 7. Mai 1975) 
  Published    1976 
  Keywords    Tris(tetraethylammonium)-hexaisocyanate-ytterbium(III), Vibrational Spectra, Susceptibility, Crystal Field Splitting Pattern 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0001.pdf 
 Identifier    ZNB-1976-31b-0001 
 Volume    31 
2Author    H.-D Amberger, R. D. Fischer, B. KanellakopulosRequires cookie*
 Title    of Uranium(rV) -tetracyclopentadienide  
 Abstract    Some significant features of the low-energy part of the crystal field (=CF) splitting pattern of the organometallic 5f 2 -system (^ 5 -C5Hs)4U(IV) can be deduced from the tem-perature dependence of the magnetic susceptibility which has been measured on poly-crystalline samples between 1.1 and 298 K. The results of model calculations performed independently on the basis of three different semi-empirical approaches are compatible with the deductions from the experiments and allow estimates of the sign and order of magnitude of quantities like the CF-splitting parameters B4 0 and Bö 0 viz. the (averaged) angular overlap parameters ea and e" and of the valence state ionisation potential of the 5f-electrons. Anticipating a rather weakly perturbed tetrahedral CF, the observed magnetic properties may be satisfactorily simulated if the six lowest-lying first-order CF-states and one common scaling factor are accounted for. 
  Reference    (Z. Naturforsch. 31b, 12—21 [1976]; received July 17 1975) 
  Published    1976 
  Keywords    Uranium-tetracyclopentadienide, Susceptibility, Model Calculations, Crystal Field Splitting Pattern, Electronic Structure 
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 TEI-XML for    default:Reihe_B/31/ZNB-1976-31b-0012.pdf 
 Identifier    ZNB-1976-31b-0012 
 Volume    31