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Synthesis and Crystal Structure of Rb6Pb5Cl16

✍ Scribed by Horst P. Beck; Manfred Schramm; Robert Haberkorn; Robert Dinnebier; Peter W. Stephens

Publisher: John Wiley and Sons
Year: 1998
Tongue: German
Weight: 173 KB
Volume: 624
Category: Article
ISSN: 0372-7874
DOI: 10.1002/(sici)1521-3749(199803)624:3<393::aid-zaac393>3.0.co;2-v

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✦ Synopsis

The synthesis of a hitherto unknown 6 : 5 phase in the quasi-binary system RbCl/PbCl 2 and its structure determination is reported. The compound Rb 6 Pb 5 Cl 16 crystallizes in the tetragonal space group P4/mbm with a large variety of different coordination polyhedra for the cations. Special feature of the structure is a statistical distribution of Rb and Pb at one of the cation sites with a ratio of 1 : 3 as defined by electroneutrality. There is no evidence for symmetry reduction by ordering.

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