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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 479-482 
    ISSN: 0044-2313
    Keywords: System lithium amide/lithium bromide ; crystal structure of Li2Br(NH2) ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Li2Br(NH2): The First Ternary Alkali Metal Amide HalideThe pseudobinary system LiNH2/LiBr was investigated by X-ray methods. The crystal structure of the compound Li2Br(NH2) was solved by single crystal data:Li2Br(NH2): Pnma, Z = 8, a = 12.484(2) Å, b = 7.959(1) Å, c = 6.385(1) Å, Z(Fo) with (Fo)2 ≧ 3σ(Fo)2 = 348, Z (parameter) = 51, R/Rw = 0.019/0.021Li2Br(NH2) crystallizes in a new type of structure. To one another isolated chains of ∞1[Li2Li4/2(NH2)22+] show the motif of closest rod packing. They are connected via bromide ions in a distorted cubic primitive arrangement.
    Notes: Das pseudobinäre System LiNH2/LiBr wurde röntgenographisch untersucht. Die Struktur einer Verbindung, Li2Br(NH2), wurde mittels Einkristallröntgenstrukturanalyse aufgeklärt:Li2Br(NH2): Pnma, Z = 8, a = 12,484(2) Å, b = 7,959(1) Å, c = 6,385(1) Å, Z(Fo) mit (Fo)2 ≧ 3σ(Fo)2 = 348, Z (Parameter) = 51, R/Rw = 0,019/0,021Die Verbindung kristallisiert in einem eigenen Strukturtyp. Von ihresgleichen isolierte Stränge aus ∞1[Li2Li4/2(NH2)22+] bilden eine dem Motiv nach dichteste Stabpackung. Bromidionen verknüpfen die Stäbe in verzerrt kubisch primitiver Anordnung.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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