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Stannylene or Metallastanna(IV)ocane: A Matter of Formalism


  • J.W. acknowledges support by the German Academic Exchange Service (DAAD).


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Pushmi-pullyu with palladium: Although created by σ donation from SnCl2 to a PdII complex, the Sn[BOND]Pd bonds in the compounds depicted exhibit formal σ donation in the opposite direction. Computational and spectroscopic data support stannylpalladium (PdI[BOND]SnIII) and palladastanna(IV)ocane (Pd0→SnIV) descriptions over stannylene coordination.