1. Laboratorio CNR dei Composti del Carbonio contenenti eteroatomi, Ozzano E., Bologna, Italy 2. Department of Chemistry, University of Toronto, Ontario, Canada 3. Department of Chemistry, Queen's University, Kingston, Ontario, Canada
Abstract:
The correlation energy (Ecorr) is found to be inversely proportional to the product of the electron pair size (2>) and the square of the effective nuclear charge (Zeff) for the helium-like ions.