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Keywords:

  • density functional calculations;
  • ligand design;
  • ligand substitution;
  • platinum;
  • two-photon absorption
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Two photons are better than one: A square-planar PtII complex with derivatized pyridine ligands was synthesized (see scheme), which undergoes two-photon-induced ligand substitution with 600–740 nm light. Linear and quadratic density functional response theory allowed identification of the electronic transitions involved.