Loos, Pierre-Francois; Assfeld, Xavier
We report the calculation of core-ionized states of small organic compounds and macromolecular systems in the framework of a new method based on the local self-consistent field (LSCF). This new theoretical scheme avoids the variational collapse of the empty core orbital (CO) of the core-excited states and ensures the orthogonality between the ground state and the excited states. Compared to experimental data and other theoretical methods, accurate carbon 1s ionization energies using the...[Show more]
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