A revised Rydberg formula for two-electron systems: I. (core)ns2
- 14 November 1986
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 19 (21) , 3401-3410
- https://doi.org/10.1088/0022-3700/19/21/008
Abstract
An empirically fitted Rydberg-like formula for two-electron systems is described. The resultant revised Rydberg formula (RRF) contains two parameters: the screening constant sigma and the correction to the effective quantum number mu . They can concisely correlate a large number of (core)n/sub /il2 binding energies. Both are simple functions of the core charge Z, the core configuration and l. The accuracy of the RRF in calculating the two-electron binding energies of over 50 (core)n/sub /is2 species is demonstrated and the physical interpretations of sigma s and mu s are discussed.Keywords
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