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  • Inorganic Chemistry  (1)
  • 1965-1969  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 345 (1966), S. 69-78 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A hypothesis is presented on the formation of stable covalent metal boron bonds in molecular compounds, and the synthesis of X2B—Mn(CO)4P(C6H5)3 and XB[Mn(CO)4P(C6H5)3]2 (X = C6H5, C4H9, Cl, NR2, OCH3) is described. These compounds are more stable than the corresponding Mn(CO)5-derivatives. This is attributed to differences in the electron density at the manganese atom. 11B - NMR studies are interpreted in terms of back-donation of metal d-electrons to the tervalent boron atom.
    Notes: Nach kurzer Erörterung einiger Leitgedanken, die dem Aufbau kovalenter Bor - Metall Bindungen in molekularen Verbindungen zugrunde liegen, wird die Synthese von X2B—Mn(CO)4P(C6H5)3 und XB[Mn(CO)4P(C6H5)3]2 (X = C6H5, C4H9, Cl, NR2, OCH3) beschrieben. Diese Verbindungen sind stabiler als die entsprechenden Mn(CO)5-Derivate, was wahrscheinlich auf Unterschieden in der Elektronendichte an den Manganatomen beruht. 11B-kernresonanzspektroskopische Untersuchungen weisen auf eine Beteiligung der Metall-d-Elektronen an der Mangan--Bor-Bindung hin.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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