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Telluronium Ions as σ-Acceptor Ligands


  • Financial support from the Welch Foundation (A-1423), the National Science Foundation (CHE-0952912), Texas A&M University (Davidson Professorship), and the Laboratory for Molecular Simulation at Texas A&M University (software and computation resources) is gratefully acknowledged. We thank Lisa Pérez for useful discussions.


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A duel between lone pairs: A telluronium cation has been successfully installed in the coordination sphere of a palladium(II) complex. Despite the presence of a lone pair centered on the Group 16 element, the telluronium ion acts as a Z-ligand and accepts a d-electron pair from the palladium atom.

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