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Keywords:

  • fluorine;
  • Lewis acids;
  • magnesium;
  • structure elucidation;
  • xenon

Abstract

Thumbnail image of graphical abstract

Noble molecule: [Mg(XeF2)(XeF4)](AsF6)2 is the first coordination compound in which XeF4 acts as a ligand to a metal center. It is also the first known compound, in which XeF2 and XeF4 are simultaneously coordinated to the same metal center (see structure; purple Xe, green F, gray Mg, yellow As).