Computational study of electronic resonances is still a very challenging topic, with the phenomenon of dissociative electron attachment (DEA) being one of the multiple features worth investigating. Recently, we extended the charge stabilization method from energies to properties of conceptual density functional theory and applied this to metastable anionic states of ethene and chlorinated ethene derivatives to study the DEA mechanism present in these compounds. We now present an extension to spatial functions, namely, the electronic Fukui function and the electron localization function. The results of our analysis show that extrapolated spatial functions are relevant and useful for more precise localization of the unbound electron. Furthermore, we report for the first time the combination of the electron localization function with Berlin’s binding function for these challenging electronic states. This promising methodology allows for accurate predictions of when and where DEA will happen in the molecules studied and provides more insight into the process.
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14 February 2024
Research Article|
February 14 2024
Combining extrapolated electron localization functions and Berlin’s binding functions for the prediction of dissociative electron attachment
Special Collection:
John Perdew Festschrift
Charlotte Titeca
;
Charlotte Titeca
a)
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Visualization, Writing – original draft, Writing – review & editing)
1
Division of Quantum Chemistry and Physical Chemistry, Department of Chemistry, KU Leuven
, Leuven, Belgium
2
Research Group of General Chemistry (ALGC), Vrije Universiteit Brussel
, Brussel, Belgium
a)Author to whom correspondence should be addressed: charlotte.titeca@kuleuven.be
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Thomas-C. Jagau
;
Thomas-C. Jagau
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Supervision, Writing – review & editing)
1
Division of Quantum Chemistry and Physical Chemistry, Department of Chemistry, KU Leuven
, Leuven, Belgium
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Frank De Proft
Frank De Proft
(Conceptualization, Formal analysis, Funding acquisition, Investigation, Supervision, Writing – review & editing)
2
Research Group of General Chemistry (ALGC), Vrije Universiteit Brussel
, Brussel, Belgium
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a)Author to whom correspondence should be addressed: charlotte.titeca@kuleuven.be
J. Chem. Phys. 160, 064115 (2024)
Article history
Received:
October 06 2023
Accepted:
January 22 2024
Citation
Charlotte Titeca, Thomas-C. Jagau, Frank De Proft; Combining extrapolated electron localization functions and Berlin’s binding functions for the prediction of dissociative electron attachment. J. Chem. Phys. 14 February 2024; 160 (6): 064115. https://doi.org/10.1063/5.0180011
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