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  • 1
    ISSN: 0044-2313
    Keywords: Intermetallic phases (ternary) ; lithium ; 4A metals ; 5B elements ; preparation ; crystal structure ; X-ray ; neutron scattering ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Ternary Intermetallic Phases of Lithium, Transition Metals of the 4th Group and Elements of the 5th Maingroup with Statistical Metal Distribution in the „Cation“-SubstructureThe results of X-ray investigations and neutron diffraction on new and in some cases already known [1, 2] ternary intermetallic phases of Lithium with transition metals of the 4th group (b) and those of the 5th main group (X = P, As, Sb, Bi) will be reported. They crystallize in a partly „filled“ antifluorite type structure with a statistical Li/B-distribution in the tetrahedral sites. The structures are obviously stabilized by small amounts of enclosed d-elements.
    Notes: Es wird über Röntgenstrukturuntersuchungen und Neutronenbeugung an neuen und einigen schon bekannten [1, 2] ternären intermetallischen Phasen des Lithiums mit Elementen der 4. Nebengruppe (B) und Elementen der 5. Hauptgruppe (X = P, As, Sb, Bi) berichtet. Sie kristallisieren in einer teilweise „aufgefüllten“ Antifluorit-Struktur mit statistischer Li/B-Besetzung der Tetraederlücken, die offenbar durch den Einbau von geringen Mengen der Übergangsmetalle stabilisiert wird.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 605 (1991), S. 157-162 
    ISSN: 0044-2313
    Keywords: TICu[CuO2] ; synthesis ; crystal structure ; lattice energy ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation and Crystal Structure of TlCu[CuO2]By reaction of Tl2O3 and Cu2O in a sealed copper-type TlCu[CuO2] was synthesized; the orthorhombically bodycentered crystallizing compound forms a new structure type, space group Imma (no. 74), with the lattice constants a = 552.5 pm, b = 605.2 pm, c = 896.4 pm. The Madelung Part of Lattice Energy, MAPLE, as well as Effective Coordination Numbers, ECoN, these via Mean Effective Ionic Radii, MEFIR, were calculated.
    Notes: Durch Umsetzung von Tl2O3 und Cu2O im verschweißten Kupfertiegel gelang die Darstellung von TlCu[CuO2]; die Verbindung kristallisiert orthorhombisch innenzentriert in einem neuen Strukturtyp, Raumgruppe Imma (Nr. 74), mit den Gitterkonstanten a = 552,5 pm, b = 605,2 pm, c = 896,4 pm. Der Madelunganteil der Gitterenergie, MAPLE, sowie Effektive Koordinationszahlen, ECoN, diese über Mittlere Effektive Ionenradien, MEFIR, wurden berechnet.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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