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    ISSN: 0044-2313
    Keywords: Dichloro(tetraisopropylcyclopentadienyl)phosphane ; Dibromo(tetraisopropylcyclopentadienyl)phosphane ; Dichloro(tetraisopropylcyclopentadienyl)arsane ; Dichloro(tetraisopropylcyclopentadienyl)stibane ; Dichloro(tetraisopropylcyclopentadienyl)bismutane ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Von der σ - zur π-Koordination: Tetraisopropylcyclopentadienyldichloride [(C5HR4)ECl2] (R = CHMe2) von Phosphor, Arsen, Antimon und Bismut[(C5HR4)PCl2] (1a), [(C5HR4)PBr2] (1 b), [(C5HR4)AsCl2] (2), und [(C5HR4)SbCl2] (3), wurden aus den entsprechenden Pnicogentrihalogeniden mit Natriumtetraisopropylcyclopentadienid hergestellt (R = CHMe2). Die Molekülstrukturen von 1, 2 und 3 sowie die verwandte Struktur von [(C5HR4)BiCl2] (4) zeigen einen zunehmenden π-Charakter der Heteroatom-Cyclopentadienyl-Bindung mit zunehmend metallischem Charakter des Heteroatoms.
    Notes: [(C5HR4)PCl2] (1a), [(C5HR4)PBr2] (1 b), [(C5HR4)AsCl2] (2), and [(C5HR4)SbCl2] (3), have been obtained from the corresponding pnicogen trihalides and sodium tetraisopropylcyclopentadienide (R = CHMe2). The molecular structures of 1, 2, and 3 as well as the related structure of [(C5HR4)BiCl2] (4) display increasing π character of hetero atom to cyclopentadienyl bonding with increasing metallic character of the hetero atom.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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