Effective core potentials for the cadmium and mercury atoms

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Abstract
Ab initio effective core potentials have been obtained for the cadmium and mercury atoms by the methods of Kahn et al., [J. Chem. Phys. 65, 3826 (1976)]. Both two and twelve valence electron representations of Cd and Hg were tested for various atom state‐configurations by comparison with all‐electron calculations. The generated potentials were used to obtain the equilibrium bond distances and molecular binding energies for the dichloride and dimethyl compounds of both atoms from single and optimum‐double configuration self‐consistent field calculations.