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[Sn17{GaCl(ddp)}4]: A High-Nuclearity Metalloid Tin Cluster Trapped by Electrophilic Gallium Ligands

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  • Organo Group 13 Complexes of d-Block Elements, Part 51. Part 50: reference [10a]. This work was supported by the Alexander von Humboldt Foundation (Scholarship for G.P.). A.K. is grateful for a research fellowship by the Fonds der Chemischen Industrie (Germany). ddp=HC(CMeNC6H3-2,6-iPr2)2.

Abstract

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The reduction of SnCl2 by the low-valent gallium(I) β-diketiminate GaI(ddp) gives the title complex, which is best described as a Zintl-type anionic [Sn17]4− cluster stabilized by an electrophilic shell of gallium ligands. This reaction could represent a new concept for the synthesis of metalloid main-group clusters. ddp=HC(CMeNC6H3-2,6-iPr2)2.

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