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  • 1980-1984  (1)
  • 1905-1909
  • 1880-1889
  • Inorganic Chemistry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 501 (1983), S. 146-152 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Structure of BenzazarsoleBenzazarsole crystallizes in the space group Pna21 with a = 8.283, b = 5.560, c = 14.647 Å and with 4 formula units per units cell. The structure was determined by X-ray structure analysis and refined to a final R value of R = 0.04. The arsenic atom has the coordination number 2 with significantly different bond lengths to the adjacent carbon atoms (1.82 and 1.92 Å). The estimated bond lengths and the strict planarity confirm the conclusion of benzazarsole being an aromatic molecule. The structure of benzazarsole is compared with the structures of benzimidazole and benzazaphosphole.
    Notes: Benzazarsol kristallisiert in der Raumgruppe Pna21 mit den Gitterkonstanten a = 8,283, b = 5,560, c = 14,647 Å und 4 Formeleinheiten pro Elementarzelle. Die Struktur wurde mittels Röntgenkristallstrukturanalyse bestimmt und bis zu einem R-Wert von R = 0,04 verfeinert. Das Arsenatom ist zweifach koordiniert und zeigt zu den benachbarten Kohlenstoffatomen signifikant unterschiedliche Bindungslängen (1,82 und 1,92 Å). Die gefundenen Bindungslängen und die strenge Planarität stützen die Vermutung, daß Benzazarsol ein aromatisches Molekül ist. Die Struktur des Benzazarsols wird mit den Struktur en von Benzimidazol und Benzazaphosphol verglichen.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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