Planar or tetrahedral? A ternary 17-electron CBe5H4+ cluster with planar pentacoordinate carbon

A 17-electron CBe5H4+ cluster features planar pentacoordinate carbon, owing to the 2π/6σ double aromaticity. The neutral CBe5H4 cluster has a tetrahedral configuration despite its 18-electron counting. The latter species is governed by σ conjugation.

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 56; no. 59; pp. 8305 - 8308
Main Authors Guo, Jin-Chang, Feng, Lin-Yan, Barroso, Jorge, Merino, Gabriel, Zhai, Hua-Jin
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 28.07.2020
Subjects
Aromaticity
Carbon
chemical compounds
chemical reactions
Clusters
Conjugation
Electrons
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Summary:A 17-electron CBe5H4+ cluster features planar pentacoordinate carbon, owing to the 2π/6σ double aromaticity. The neutral CBe5H4 cluster has a tetrahedral configuration despite its 18-electron counting. The latter species is governed by σ conjugation.
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d0cc02973d