High-resolution Cl 2p(-1) photoelectron (PES) and Cl 2p(-1)-->3ppi(-2) normal Auger electron spectra (AES) have been measured using different photon energies. The PES and AES have been fitted simultaneously taking vibrational and electronic lifetime-interference terms into account. Detailed results are presented for the Cl 2p(-1)-->3ppi(-2) normal Auger transitions. The equilibrium distances, vibrational energies, and anharmonicities for the (1)Sigma(+), (1)Delta, and (3)Sigma(-) final states are derived from the intensity distribution of the vibrational substates. The relative intensities for the different Cl 2p(-1)-->3ppi(-2) normal Auger transitions are also given. In addition to the Cl 2p(-1)-->3ppi(-2) transitions, some fine structures are observed that show a photon energy dependence. These structures are assigned to decays of doubly excited or shake-up/off states.
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