I am looking for the information on the electron binding energy for the multi-electron atoms. Well, it is easy to find ionization energy, i. e. the binding energy of the last electron in the atom. But I need the energy which is necessary to separate all atomic electrons from the nucleus. Could anybody give me a reference or internet link on the subject? The information on the exited atomic states would be also useful (i.e. the binding energy of the first excited state for the Li3 atom). Thank you very much!