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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.23018
|2 doi
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|a pubmed24n0726.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Yang, Hongfang
|e verfasserin
|4 aut
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|a Multi-zinc-expanded graphene patches
|b tetraradical versus diradical character
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|c 2012
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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 Completed 10.06.2013
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|a Date Revised 18.06.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2012 Wiley Periodicals, Inc.
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|a Three classes of multi-Zn-expanded graphene patches in different shapes are computationally designed through introducing a Zn chain into the corresponding middle benzenoid chain. Both density functional theory and complete active space self-consistent field calculations predict that molecules of nnn-quasi-linear and nnn-slightly bent series have the open-shell broken-symmetry (BS) singlet diradical ground states, whereas those of n(n+1)n species possess quintet tetraradical as their ground state and become open-shell BS singlet tetraradicals when they are in a higher energy state. These results offer the first theoretical attempt to introduce multi-Zn into the small graphene patches to form Zn-expanded graphene patches, leading them to polyradical structures. This work provides an executable strategy to yield molecules which have stable polyradicaloid character and enhanced electronic properties of multi-Zn-expanded graphene patches
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|a Journal Article
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|a Song, Qisheng
|e verfasserin
|4 aut
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|a Song, Xinyu
|e verfasserin
|4 aut
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|a Bu, Yuxiang
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 33(2012), 21 vom: 05. Aug., Seite 1773-80
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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|g volume:33
|g year:2012
|g number:21
|g day:05
|g month:08
|g pages:1773-80
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|u http://dx.doi.org/10.1002/jcc.23018
|3 Volltext
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