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- W1998965318 abstract "Die Titelverbindung wird durch Umsetzung von Kupfer(I)chlorid mit WNCl3 in Acetonitril in Form roter feuchtigkeitsempfindlicher Kristalle gewonnen. Sie wird durch das IR-Spektrum und eine röntgenographische Strukturanalyse charakterisiert. Raumgruppe I2/a, Z = 4, 2 027 beobachtete unabhängige Reflexe, R = 4,9%. Gitterkonstanten bei -80°C: a = 2 527,0; b = 971,9; c = 2 137,5 pm; β = 106,01°. Die Verbindung besteht aus [Cu(CH3CN)4]+-Ionen, die zu Strängen angeordnet sind, und Anionen [W4N4Cl14(CH3CN)2]2−, in denen die Wolframatome an den Ecken eines Quadrats angeordnet sind und über lineare WNW-Brücken verknüpft sind. Zwei der Wolframatome haben je vier Chloratome als terminale Liganden, die beiden anderen je drei Chloratome und je ein N-Atom eines Acetonitrilmoleküls als terminale Liganden. Synthesis and Crystal Structure of the Tetrameric Nitrido Complex [Cu(CH3CN)4]2[W4N4Cl14(CH3CN)2]. The title compound has been prepared by the reaction of CuCl with WNCl3 in acetonitrile solution, forming red, moisture sensitive crystals. They were characterized by IR spectroscopy and by an X-ray structure determination. Space group I2/a, Z = 4, 2 027 observed unique reflections, R = 0.049. Lattice dimensions at -80°C: a = 2 527.0, b = 971.9, c = 2 137.5 pm, β = 106.01°. The compound consists of [Cu(CH3CN)4]+ ions, which are arranged to form strands, and of anions [W4N4Cl14(CH3CN)2]2−, in which the tungsten atoms were located at the vertices of a square and are linked with one another via linear WNW bridges. Two of the four tungsten atoms have four chlorine atoms as terminal ligands, the other two tungsten atoms have three chlorine atoms and an acetonitrile molecule as terminal ligands." @default.
- W1998965318 created "2016-06-24" @default.
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- W1998965318 date "1993-04-01" @default.
- W1998965318 modified "2023-09-23" @default.
- W1998965318 title "Synthese und Kristallstruktur des tetrameren Nitridokomplexes [Cu(CH3CN)4]2[W4N4Cl14(CH3CN)2]" @default.
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- W1998965318 doi "https://doi.org/10.1002/zaac.19936190423" @default.
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