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Keywords:

  • C[BOND]H bond activation;
  • cluster compounds;
  • cyclopentadienyl ligand;
  • lanthanides;
  • metal–metal bond
Thumbnail image of graphical abstract

Multiple C[BOND]H bond activations give molecular lanthanoid–transition-metal clusters from heterobimetallic organometallic complexes. In their Communication on page 7695 ff. F. R. Wagner, R. Kempe, and co-workers show there is an increase in the delocalization of the metal–metal bonding electrons suggesting a possible transition sequence from the bimetallic complex to the intermetallic phase. (Background: photomontage (by Jana Kempe) of the Festspielhaus (Bayreuth) and the Semperoper (Dresden).)