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Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
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Published on: March 4, 2021

Does aurophilicity exist beyond the solid state?

Yury V Vishnevskiy1,2, Felix Müller1, Ivan Y Kurochkin3

  • 1Lehrstuhl für Anorganische Chemie und Strukturchemie (ACS), Fakultät für Chemie, Universität Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany. VishnevskiyYV@my.msu.ru.

Chemical Communications (Cambridge, England)
|July 1, 2026
PubMed
Summary
This summary is machine-generated.

The first gas-phase structure of a gold(I) dimer reveals shorter gold-gold bonds, confirming aurophilic attraction in molecular systems. Relativistic calculations support these experimental findings.

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High Resolution Physical Characterization of Single Metallic Nanoparticles
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High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

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Last Updated: Jul 2, 2026

Microscopic Visualization of Porous Nanographenes Synthesized through a Combination of Solution and On-Surface Chemistry
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High Resolution Physical Characterization of Single Metallic Nanoparticles
09:56

High Resolution Physical Characterization of Single Metallic Nanoparticles

Published on: June 28, 2019

Area of Science:

  • Inorganic Chemistry
  • Organometallic Chemistry
  • Physical Chemistry

Background:

  • Aurophilic interactions, attractive forces between gold(I) centers, are crucial in understanding gold complex behavior.
  • Previous evidence for these interactions primarily came from crystal structures, leaving their behavior in the gas phase unconfirmed.

Purpose of the Study:

  • To experimentally determine the gas-phase structure of a ligand-supported gold(I) dimer.
  • To provide direct evidence for aurophilic interactions in the gas phase.
  • To validate computational methods for predicting these interactions.

Main Methods:

  • Gas-phase electron diffraction was used to determine the molecular structure.
  • High-level relativistic coupled-cluster calculations were performed for theoretical validation.

Main Results:

  • The first experimental gas-phase structure of a gold(I) dimer exhibiting aurophilic Au(I)···Au(I) interactions was determined.
  • The determined Au···Au contact in the gas phase was found to be shorter than in its corresponding crystal structure.
  • Relativistic coupled-cluster calculations accurately reproduced the experimental gas-phase structural parameters.

Conclusions:

  • Direct experimental evidence for aurophilic attraction in a ligand-supported molecular system was established in the gas phase.
  • The study highlights the importance of considering gas-phase behavior for a comprehensive understanding of gold complex interactions.
  • Accurate theoretical modeling can reliably predict gas-phase aurophilic interactions.