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The relationship of Au55(PPh3)12Cl6 to colloidal gold

  • Optical Properties
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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

The electronic (UV-visible) spectrum of the molecular cluster Au55(PPh3)12Cl6 shows features corresponding to the 520 nm plasma resonance and the shorter-wavelength interband transition of colloidal gold. These absorptions differ qualitatively from the simpler one-electron transitions of lower-nuclearity cluster molecules. Differential scanning calorimetry has been used to measure the enthalpy of decomposition of Au55(PPh3)12Cl6. The Au-Au bonding appears to be substantially stronger than in bulk gold.

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Authors and Affiliations

  1. Chemical Laboratory, University of Kent, CT2 7NH, Canterbury, UK

    R. E. Benfield, J. A. Creighton & D. G. Eadon

  2. Institut für Anorganische Chemie der Universität Essen, Universitätsstrasse 5-7, D-4300, Essen 1, Federal Republic of Germany

    G. Schmid

Authors
  1. R. E. Benfield
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  2. J. A. Creighton
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  3. D. G. Eadon
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  4. G. Schmid
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Benfield, R.E., Creighton, J.A., Eadon, D.G. et al. The relationship of Au55(PPh3)12Cl6 to colloidal gold. Z Phys D - Atoms, Molecules and Clusters 12, 533–536 (1989). https://doi.org/10.1007/BF01427012

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  • DOI: https://doi.org/10.1007/BF01427012

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