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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 622 (1996), S. 627-629 
    ISSN: 0044-2313
    Keywords: Ternary metal selenides ; crystal structure ; MAPLE ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation and Crystal Structure of Rb2Ni3Se4The compound Rb2Ni3Se4 was synthesized by heating a mixture of rubidium carbonate, nickel and selenium at 850°C in an atmosphere of hydrogen. The compound has a golden lustre and crystallizes with the K2Pd3S4-type structure; a = 10.555(3) Å, b = 27.588(6) Å, c = 6.031(6) Å, Z = 8, Fddd (No. 70).The structure can be described as a stacking of layers of the composition Rb2Ni3Se4 with a stacking sequence abcd. The electrostatic part of lattice energy (MAPLE) will be discussed for compounds of the compositions A2M3X4 (A K, Rb, Cs; M Ni, Pd, Pt and X S, Se).
    Notes: Die Darstellung von Rb2Ni3Se4 gelang durch Umsetzung von Rubidiumcarbonat, Nickel und Selen in einem Wasserstoffstrom bei 850°C. Die goldfarbig glänzende Verbindung kristallisiert im K2Pd3S4-Typ; a = 10,555(3) Å, b = 27,588(6) Å, c = 6,031(6) Å, Z = 8, Fddd (Nr. 70).Die Struktur läßt sich als Stapelung von Schichten der Zusammensetzung Rb2Ni3Se4 mit der Stapelfolge abcd beschreiben. Der elektrostatische Anteil der Gitterenergie (MAPLE) wird für Verbindungen des Typs A2M3X4 (mit A K, Rb, Cs; M Ni, Pd, Pt und X S, Se) diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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