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Synthesis and Crystal Structure of Tricesium Undecaphosphide-Ammonia(1/3) Cs

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Darstellung und Strukturaufkl¨arung von Tric¨asiumundecaphosphid- Ammoniakat(1/3) Cs

3

P

11

· 3 NH

3

Synthesis and Crystal Structure of Tricesium Undecaphosphide-Ammonia(1/3) Cs

3

P

11

3 NH

3

Doris Knettel, Markus Reil und Nikolaus Korber

Institut f¨ur Anorganische Chemie der Universit¨at Regensburg D-93040 Regensburg Sonderdruckanforderungen an Prof. Dr. N. Korber. Fax:+49 (0)941 9431812.

E-mail:nikolaus.korber@chemie.uni-regensburg.de

Z. Naturforsch.56 b,965–969 (2001); eingegangen am 27. Juni 2001

Polyphosphides, Liquid Ammonia, Tricesium-undecaphosphide-ammonia(1/3) Cs3P113 NH3 Cs3P113 NH3was obtained from a solution of Cs3P11in liquid ammonia. Its structure consists of P113 -cage anions, which coordinate the cesium cations together with ammonia molecules, resulting in a three-dimensional network. The compound completes a family of structures that are derived from the binary phosphide Cs3P11through the stepwise expanding and dismantling of the three-dimensional network of ions by ammonia molecules of coordination or through the exchange of the cesium cations for voluminous molecular cations.

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