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The coherent potential approximation (CPA) was used in the calculation of the vibrational spectra for absorbed 12CO/13CO thextures 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 Anxtures of CO on Pt(001), molecules interact mainly through their dipole fields.
The coherent potential approximation (CPA) was used in the calculation of the vibrational spectra for absorbed 12CO / 13CO thextures 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 Anxtures of CO on Pt (001), molecules interact mainly through their dipole fields.