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  • Articles: DFG German National Licenses  (2)
  • Electronic Resource  (2)
  • 1990-1994  (2)
  • 1H NMR  (1)
  • 21.10  (1)
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  • Articles: DFG German National Licenses  (2)
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  • Electronic Resource  (2)
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  • 1
    ISSN: 1434-601X
    Keywords: 21.10 ; 21.60 ; 27.70 ; 27.80 ; 35.10.F
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The hyperfine structure splitting and the isotope shift in the λ=266 nm transition of Pt isotopes within the mass range 183 ≦A≦ 198 have been determined by Resonance Ionization Mass Spectroscopy (RIMS) in combination with Pulsed-Laser Induced Desorption (PLID). The Pt isotopes were obtained at the on-line isotope separator ISOLDE-3/CERN as daugthers of the primarily produced Hg isotopes. Magnetic moments, quadrupole moments, and changes in the mean-square charge radii are deduced and compared with results of a particle-triaxial rotor model and mean field calculations. Good agreement with experimental data (including nuclear level schemes and transition probabilities) can only be obtained if triaxial shape is admitted. The calculations yield a smooth transition in the shape of odd-A Pt nuclei from a slightly deformed, nearly oblate195Pt via triaxial197-187Pt to a strongly deformed nearly prolate177Pt.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 29 (1991), S. 133-136 
    ISSN: 0749-1581
    Keywords: 17β-Substituted 14α-steroids ; 7α-substituted 14α-steroids ; 1H NMR ; 13C NMR ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: γgaucheEffects of 17β- and 7α-substituted 14α-steroids were studied by 1H and 13C NMR spectroscopy. A linear correlation was found between the 1H chemical shift of H-12β and the 13C chemical shift of C-12 for C-17β-substituted steroids and between the chemical shifts of H-14α and C-14 in C-7α-substituted compounds.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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