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Keywords:

  • gallium;
  • Group 13 ligands;
  • metalloid clusters;
  • tin
Thumbnail image of graphical abstract

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.