Theoretical determination of the ionization potentials of ScF, YF, LaF and AcF
Abstract
We present a comprehensive theoretical study of the ionization potentials of the MF (M = Sc, Y, La, Ac) molecules using the state-of-the-art relativistic coupled cluster approach with single, double, and perturbative triple excitations (CCSD(T)). We have further corrected our results for higherorder excitations (up to full triples), the QED self-energy and vacuum-polarization contributions. We have extensively investigated the effect of the various computational parameters on the calculated ionization potentials, allowing us to assign realistic uncertainties to our predictions.
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