Electron Affinity of Element 114, with Comparison to Sn and Pb

Knowledge of the electronic structure and properties of element 114 is important for its chemical identification. By comparing its behaviour with that of the lighter group 14 homologues, its position in the periodic table can be confirmed. In this work, we investigate the electron affinity (EA) of element 114, together with its lighter homologues in group 14, Sn and Pb [1]. Electron affinity is important for calculations of chemical potential, μ, and electronegativity, χ, which, in turn, reflect chemical reactivity of the element under study. The calculations were performed in the framework of the projected Dirac-Coulomb-Breit Hamiltonian,