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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.25153
|2 doi
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|a pubmed24n0931.xml
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|a eng
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|a Shil, Suranjan
|e verfasserin
|4 aut
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|a Performance of range-separated hybrid exchange-correlation functionals for the calculation of magnetic exchange coupling constants of organic diradicals
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 Wiley Periodicals, Inc.
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|a The prediction of magnetic behavior is important for the design of new magnetic materials. Kohn-Sham density functional theory is popular for this purpose, although one should be careful about choosing the right exchange-correlation functional. Here, we perform a statistical analysis to test different range-separated hybrid density functionals for the calculation of magnetic exchange coupling constants J of fourteen organic diradicals. Our analysis suggests that in absolute terms the MN12SX functional performs best among the series of twelve functionals studied here (including the popular B3LYP), followed by N12SX functionals along with Scuseria's HSE series of functionals. LC- ωPBE was found to be the least accurate, which is in contrast with its good performance for calculating J for transition metal complexes. The HSE family of functionals and B3LYP are the only functionals to reproduce the qualitative trends of the coupling constants correctly for the ferromagnetically coupled diradicals under study. © 2017 Wiley Periodicals, Inc
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|a Journal Article
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|a magnetic exchange coupling
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|a organic diradical
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|a range-separated hybrid functional
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|a Herrmann, Carmen
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 39(2018), 13 vom: 15. Mai, Seite 780-787
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
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|g volume:39
|g year:2018
|g number:13
|g day:15
|g month:05
|g pages:780-787
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|u http://dx.doi.org/10.1002/jcc.25153
|3 Volltext
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