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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 10 (1971), S. 472-490 
    ISSN: 0570-0833
    Keywords: Double resonance ; NMR spectroscopy ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In double resonance spectra, transitions between energy levels of a nuclear spin system are measured in the presence of two (or more) oscillating magnetic fields. Experiments of this nature form the basis of what is nowadays one of the most important techniques of NMR spectroscopy. Depending on the method selected, they can be used to unravel complex spectra, to measure hidden or weak resonances, or to determine the relative signs of coupling constants, as well as in stereochemical or kinetic studies. This wide and steadily growing range of applications of double resonance is described with the aid of specifilc examples.
    Additional Material: 29 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0749-1581
    Keywords: NMR ; 13C NMR ; 55Mn NMR ; 1J(55Mn, 13C) ; Organomanganese complexes ; Lineshape analysis ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 55Mn, 13C coupling constants of σ- and π-organomanganese pentacarbonyl, tetracarbonylphosphine and tricarbonyl complexes were determined by lineshape analysis of the 13CO and 13C(R) signals (R = alkyl, acyl or aryl) using the iterative lineshape fitting program QUADR. The 1J(55Mn, 13C) data are in the range 29-47 Hz for Mn—CO bonds and 2-28 Hz for Mn—R bonds. The 55Mn chemical shifts and linewidths are also reported.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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