ABSTRACT:A new parameterization for copper at the INDO/CI level is presented. Results for excitation energies, ionization potentials, and electron detachment energies are presented for selected copper clusters with up to ten atoms. The parameterization gives improved results for calculations of spectroscopic properties for systems with significant copper-copper interactions, such as clusters and model surfaces. Results for the O1s shakeup of CO attached to Cu(100) model surfaces for the new parameters are compared with experiments and with results obtained using the standard parameters.

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ABSTRACT:INDOrCI calculations were used to analyze the C1s and O1s shake-up Ž . spectra of nickel tetracarbonyl, Ni CO . The satellite structure in both cases is dominated

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