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Das Monoammoniakat des Galliumamidfluorids: Ga(NH3)(NH2)F2

✍ Scribed by Meike Roos; Gerd Meyer

Publisher
John Wiley and Sons
Year
1999
Tongue
German
Weight
105 KB
Volume
625
Category
Article
ISSN
0372-7874

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✦ Synopsis

Inhaltsu È bersicht. Durch Oxidation von elementarem Gallium mit NH 4 F (in Gegenwart von Indium) konnten bei 325 °C u. a. Einkristalle von Ga(NH 2 )F 2 ´NH 3 erhalten und die Kristallstruktur aufgekla È rt werden [monoklin, C2/m (Nr. 12), a . Es liegen Schichten aus eckenverknu È pften [Ga(NH 3 ) 2 F 4 ]-und [Ga(NH 2 ) 2 F 4 ]-Oktaedern vor. IR-Untersuchungen belegen das Vorliegen der Amidgruppe.

The Monoammoniate of Gallium Amide Fluoride, Ga(NH 3 )(NH 2 )F 2 Abstract. The oxidation of gallium metal with NH 4 F leads at 325 °C in the presence of indium to single crystals of Ga(NH 2 )F 2 ´NH 3 [monoclinic, C2/m (no. 12), a = 1053.1(1), b = 557.4(1), c = 484.2(3) pm, b = 90.04( )]. The crystal structure is built up from layers of corner-bridged [Ga(NH 3 ) 2 F 4 ] and [Ga(NH 2 ) 2 F 4 ] octahedra, respectively. The infrared spectrum proves the existence of the amide group in Ga(NH 2 )F 2 ´NH 3 .

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