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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 620 (1994), S. 1527-1531 
    ISSN: 0044-2313
    Keywords: Terbium Cluster ; [Tb10(C2)2] ; Crystal Structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cs3[Tb10(C2)2]Cl21, A New Formula and Structure Type with Isolated Dimeric ClustersCs3[Tb10(C2)2]Cl21 is obtained via the metallothermic reduction of TbCl3 with caesium in the presence of graphite as black single crystals. The crystal structure (monoclinic, C2/c, Z = 4; a = 2318.72(13); b = 1245.8(9); c = 1502.0(13) pm; β = 98.13(6)°; R = 0.089; Rw = 0.049) contains dimeric clusters that are built from two octahedra connected via one common edge and filled with C2 units. These isolated [Tb10(C2)2] clusters are surrounded by 26 chloride ligands which are then connected via i - a and a - a bridges in a way that voids for Cs+ of coordination number 10 are formed.
    Notes: Cs3[Tb10(C2)2]Cl21 entsteht bei der metallothermischen Reduktion von TbCl3 mit Caesium in Gegenwart von Graphit in Form schwarzer Einkristalle. Die Kristallstruktur (monoklin, C2/c, z = 4; a = 2318,72(13); b = 1245,8(9); c = 1502,0(13) pm; β = 98,13(6)°; R = 0,089; Rw = 0,049) enthält dimere Cluster, die aus zwei über eine gemeinsame Kante verknüpften und durch zwei C2-Hanteln aufgefüllten Oktaedern gebildet werden. Die isolierten [Tb10(C2)2]-Cluster sind von insgesamt 26 Cl- umgeben und durch i - a- bzw. a - a-Brücken so miteinander verknüpft, daß für die Cs+ Lücken der Koordinationszahl 10 verbleiben.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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