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Zeitschrift für Naturforschung B Contents Vol. 68b (2013)

Z. Naturforsch. 2013, 68b, 732 – 734

doi:10.5560/ZNB.2013-3087

First Incorporation of the Tetrahedral [Sn₄]⁴⁻ Cluster into a Discrete Solvate Na₄[Sn₄]·(NH₃)₁₃ from Solutions of Na₄Sn₄ in Liquid Ammonia

Markus Waibel and Thomas F. Fässler

Department Chemie, Technische Universität München, Lichtenbergstraße 4, D-85747 Garching, Germany

Reprint requests to Prof. Dr. T. F. Fässler. Tel: (+49) 89-289-13131. Fax: (+49) 89-289-13186. E-mail: thomas.faessler@lrz.tum.de

Received March 1, 2013 / published online Juli 2, 2013

Dedicated to Professor Heinrich Nöth on the occasion of his 85^th birthday

Treatment of solutions of Na₄Sn₄ in liquid ammonia with CuMes (Mes = mesityl) and 18-crown-6 afforded crystals of the composition Na₄[Sn₄]·(NH₃)₁₃. The structure features anionic units {Na₇[Sn₄]₂} and separate Na cations, both fully solvated by ammonia molecules.

Key words: Cluster Compounds, Zintl Anions, X-Ray Diffraction, Solubility, Tetrahedral Zintl Clusters, Tin Clusters

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