Multiconfigurational spin tensor electron propagator electron affinities for F, BO, CN, OH, and NH2

Danny L. Yeager, Jeffrey A. Nichols, Joseph T. Golab

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

We applied the multiconfigurational spin tensor electron propagator method (MCSTEP) to the systems F, OH, NH2, BO, and CN for the determination of vertical and adiabatic electron affinities (EAs). These are the first MCSTEP EA calculations for systems that are not pseudo two-electron systems and the first time MCSTEP is used for EAs of molecules. Using standard Dunning core-valence basis sets supplemented with diffuse functions and with relatively small complete active spaces, MCSTEP results are in very good to excellent agreement with experiment. Comparisons with EAs determined by other methods using exactly the same basis sets show that MCSTEP is generally more consistent and reliable.

Original languageEnglish
Pages (from-to)8441-8448
Number of pages8
JournalJournal of Chemical Physics
Volume97
Issue number11
DOIs
StatePublished - 1992
Externally publishedYes

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