Reaction of A 2 CO 3 (A = K, Rb) with Sn and Se in an H 2 O/CH 3 OH mixture at 115±130 °C affords the isotypic selenidostannates(IV) A 6 Sn 4 Se 11 ´x H 2 O (A = K, x = 8) 1 and 2 whose discrete [Sn 4 Se 11 ] 6± anions each contain two corner-bridged ditetrahedral [Sn 2 Se 6 ] 4± species. Similar re
✦ LIBER ✦
Efficient Syntheses of the Complete Set of Compounds [{(OC)5M}6E6]2− (M = Cr, Mo, W; E = Ge, Sn) − Structure and Redox Behaviour of the Octahedral Clusters [Ge6]2− and [Sn6]2−
✍ Scribed by Gerd Renner; Peter Kircher; Gottfried Huttner; Peter Rutsch; Katja Heinze
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 388 KB
- Volume
- 2001
- Category
- Article
- ISSN
- 1434-1948
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K 2 W 6 Br 14 (I), Rb 2 W 6 Br 14 (II), and Cs 2 W 6 Br 14 (III) were formed by reactions of W 6 Br 12 with the corresponding alkali metal bromides in evacuated silica tubes with a temperature gradient of 925 K/915 K. (I) crystallizes in the cubic space group Pn3 (no. 201), a = 13.808 A Ê , Z = 4, c