IVO and equivalent cores type calculations on the 1s shake-up spectrum of water

作者: Ulf Wahlgren

DOI: 10.1080/00268977700100961

关键词: FluorineShake upType (model theory)Spectrum (functional analysis)Atomic physicsBasis (linear algebra)Chemistry

摘要: Calculations, using the Improved Virtual Orbital technique and equivalent cores concepts, of shake-up spectrum H2O are reported, results compared with previous ΔSCF-type calculations. Both fluorine oxygen optimized basis sets have been used. The methods appear to give satisfactory results, although calculated intensities rather uncertain. A CI calculation, in which all states allowed interact, indicates fairly substantial interaction between some cases.

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