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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 85th 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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