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'Compressed CunCl4 N H 3 2 Centres' in keywords
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1992 (1)
1Author    (. N., G. Cl, U. Steffen3, M.A H Kaschuba3, D. Itchm Anb, Reinen3Requires cookie*
 Title    Über die Natur der Cu2+-Zentren im N H 4C1 - die spektroskopische Untersuchung von Cu2+-dotiertem H g(N H 3)2Cl2 The N ature of the Cu2+ Centres in N H 4C1 - a Spectroscopic Investigation of Cu2+ Doped  
 Abstract    The preparation o f H g(N H 3)2Cl2 doped with a small amount o f Cu2+ is reported. The EPR and ligand field reflectance spectra indicate the presence o f "CuC14(N H 3)2" polyhedra with a compressed tetragonal geometry and confirm, that the centres in Cu2+ doped N H 4C1 possess the same geometry -as postulated earlier. The Cu2+ centres in H g(N H 3),C l2 are less com ­ pressed than those in N H 4C1, however, as could be deduced from the copper(II) hyperfine values, which are strongly influenced by the quite different admixture o f the metal 4 s orbital into the A lg (d,?) ground state in the two cases, and from the comparable energies o f the d -d transitions. 
  Reference    Z. Naturforsch. 47b, 465 (1992); eingegangen am 12. September 1991 
  Published    1992 
  Keywords    Compressed CunCl4(N H 3)2 Centres, Vibronic Jahn-Teller Coupling, EPR Spectra 
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 TEI-XML for    default:Reihe_B/47/ZNB-1992-47b-0465.pdf 
 Identifier    ZNB-1992-47b-0465 
 Volume    47