Acta Phys. -Chim. Sin. ›› 1996, Vol. 12 ›› Issue (04): 365-367.doi: 10.3866/PKU.WHXB19960416

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Investigation on Dipole-dipole Interaction(II)

Zhu Xiao-Lei,Zhou Zhi-Hua,Xu Yong-Jin,Zhou Yao-Ming   

  1. Department of Chemistry,Nanjing Normal University,Nanjing 210097
  • Received:1995-06-19 Revised:1995-09-13 Published:1996-04-15
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Abstract:

The coherent potential approximation (CPA) was used in the calculation of the vibrational spectra for absorbed 12CO/13CO mixtures on platinum. The theoretical results were compared with the surface IR-spectra of 12CO/13CO mixture absorbed on Pt-electrode. The results show that in the systems consisting of isotopic mixtures of CO on Pt(001), molecules interact mainly through their dipole fields.

Key words: Dipole-dipole interaction, Coherent potential approximation, Intensity transfer, Frequency shift