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Synthese und Struktur von Ag7M6F31 (M = Zr, Hf, Ce)

✍ Scribed by D. Koller; B. G. Müller

Publisher
John Wiley and Sons
Year
2000
Tongue
German
Weight
74 KB
Volume
626
Category
Article
ISSN
0372-7874

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✦ Synopsis

Inhaltsu È bersicht. Durch Tempern von AgF und ZrF 4 im verschweiûten Goldrohr (T = 450 °C, t ~2 d) wurden farblose Einkristalle von Ag 7 Zr 6 F 31 erhalten. Die Verbindung kristallisiert trigonal in der Raumgruppe R3-C 2 3i (Nr. 148) mit a = 1400,9(3) pm, c = 979,0(2) pm, Z = 3. Ebenfalls dargestellt wurden die isotypen Verbindungen Ag 7 Hf 6 F 31 und Ag 7 Ce 6 F 31 mit a = 1393,8(2) pm, c = 978,7(2) pm, bzw. a = 1469,8(1) pm, c = 998,5(1) pm. Synthesis and Structure of Ag 7 M 6 F 31 (M = Zr, Hf, Ce) Abstract. Colorless single crystals of Ag 7 Zr 6 F 31 have been obtainend by heating up a mixture of AgF and ZrF 4 in a closed goldtube (T = 450 °C, t ~2 d). The compound crystallizes trigonal, space group R3-C 2 3i (No. 148) with a = 1400,9(3) pm, c = 979,0(2) pm, Z = 3. Also prepared were the isotypic compounds Ag 7 Hf 6 F 31 with a = 1393,8(2) pm, c = 978,7(2) pm, and Ag 7 Ce 6 F 31 with a = 1469,8(1) pm, c = 998,5(1) pm.

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