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Updated: Jun 18, 2026

Synthesis and Characterization of Amphiphilic Gold Nanoparticles
10:09

Synthesis and Characterization of Amphiphilic Gold Nanoparticles

Published on: July 2, 2019

AM1* parameters for gold.

Hakan Kayi1

  • 1Computer-Chemie-Centrum and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nägelsbachstrasse 25, 91052, Erlangen, Germany. Hakan.Kayi@chemie.uni-erlangen.de

Journal of Molecular Modeling
|November 14, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces the AM1* parameterization for gold, expanding its applicability to a wider range of elements. The new parameters improve computational chemistry methods for gold-containing systems.

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Area of Science:

  • Computational Chemistry
  • Quantum Chemistry
  • Materials Science

Background:

  • The Austin Model 1 (AM1) is a semi-empirical quantum mechanical method widely used in computational chemistry.
  • Parameterization of existing methods is crucial for extending their applicability to new elements and systems.
  • Accurate computational models are essential for predicting molecular properties and reaction pathways.

Purpose of the Study:

  • To report the development and validation of AM1* parameters specifically for gold (Au).
  • To extend the utility of the AM1* method to include gold in computational studies.
  • To provide a basis set for gold comprising s-, p-, and d-orbitals.

Main Methods:

  • Parameterization of the AM1* Hamiltonian for gold.
  • Inclusion of gold parameters alongside existing parameters for H, C, N, O, F, Al, Si, P, S, Cl, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Br, Zr, Mo, and I.
  • Evaluation of the performance and typical errors of the new AM1* parameters for gold.

Main Results:

  • Successful parameterization of AM1* for gold has been achieved.
  • The basis set for gold includes one set each of s-, p-, and d-orbitals.
  • AM1* parameters are now available for an expanded list of elements, including gold.

Conclusions:

  • The AM1* method is now equipped with parameters for gold, enhancing its utility in computational chemistry.
  • This development allows for more accurate theoretical investigations of systems containing gold.
  • Further discussion on the performance and limitations of AM1* for gold is provided.