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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 369 (1969), S. 238-248 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: IR-spectra of LiCH3, Be(CH3)2, Mg(CH3)2, Li2CH2 and MgCH2 were taken and assigned. Proton magnetic resonance spectra of LiCH3, Be(CH3)2 are reported. The interpretation of both types of spectra leads to the coclusion, that with decreasing electronegativity the metal-methyl bond becomes more polar. Correspondingly, the C—H bond acquires increasing p character, which is dominating in the methylene compounds.
    Notes: Es wurden die IR-Spektren von LiCH3, Be(CH3)2, Li2CH2 und MgCH2 aufgenommen und zugeordnet. Weiterhin werden die Protonen-Resonanz-Spektren von LiCH3, Be(CH3)2 und Mg(CH3)2 mitgeteilt. Aus beiden Spektren wird abgeleitet, daß mit abnehmender Elektronegativität des Elementes die Bindung zur Methylgruppe immer polarer wird. Damit bekommt die CH-Bindung zunehmenden p-Charakter. Dies trifft weitgehend für die beiden Methylenverbindungen zu.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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