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A briefing on aurophilicity.

Hubert Schmidbaur1, Annette Schier

  • 1Department Chemie, Technische Universität München, 85747, Garching, Germany.

Chemical Society Reviews
|September 3, 2008
PubMed
Summary
This summary is machine-generated.

Compelling evidence shows aurophilic interactions, a novel gold(I) bonding, significantly influences molecular structure. This "super van der Waals bonding" is stronger than hydrogen bonds, impacting gold chemistry.

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Area of Science:

  • Inorganic Chemistry
  • Physical Chemistry
  • Computational Chemistry

Background:

  • Conventional valence theory did not predict intra- and intermolecular bonding between gold(I) centers.
  • Gold(I) centers possess a closed-shell 5d10 electron configuration.

Purpose of the Study:

  • To present compelling experimental evidence for aurophilic interactions.
  • To highlight the significance of aurophilic interactions in gold chemistry.
  • To rationalize the nature of aurophilic bonding.

Main Methods:

  • Experimental evidence compilation.
  • High-level theoretical treatments.
  • Analysis of binding energies.

Main Results:

  • Experimental evidence confirms specific intra- and intermolecular bonding between gold(I) centers.
  • Aurophilic interactions exhibit binding energies potentially exceeding those of strong hydrogen bonds.
  • These interactions significantly co-determine molecular structure and dynamics in gold compounds.

Conclusions:

  • Aurophilic interactions are a fundamental aspect of gold chemistry.
  • The attraction is rationalized as a "super van der Waals bonding" driven by relativistic, dispersion, and correlation effects.
  • This bonding plays a crucial role in molecular structure and dynamics.