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Issue 37, 2018
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Beryllium–beryllium double-π bonds in the octahedral cluster of Be22-X)4 (X = Li, Cu, BeF)

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Abstract

Metal–metal double-π bonding in s-block metals has not been reported until now. The octahedral clusters of Be22-X)4 only possessing degenerate Be–Be double-π bonds were first achieved by an innovative concerted electron-donating strategy from the vertical plane of the Be–Be midpoint using four s1-type electron-donating ligands. Moreover, this novel strategy is universal and independent of electronegativity. Three typical clusters were discussed herein including Be2(BeF)4, Be2Li4 and Be2Cu4. Especially, WBIBe–Be in Be2Li4 reached up to 1.96. The significant π-bonding character was confirmed by various bond analysis strategies.

Graphical abstract: Beryllium–beryllium double-π bonds in the octahedral cluster of Be2(μ2-X)4 (X = Li, Cu, BeF)

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Supplementary files

Article information


Submitted
20 Jul 2018
Accepted
20 Aug 2018
First published
22 Aug 2018

Phys. Chem. Chem. Phys., 2018,20, 23898-23902
Article type
Paper

Beryllium–beryllium double-π bonds in the octahedral cluster of Be22-X)4 (X = Li, Cu, BeF)

X. Liu, M. Zhang, S. Yu, Y. Geng, X. Zhang, Y. Ding and Z. Su, Phys. Chem. Chem. Phys., 2018, 20, 23898
DOI: 10.1039/C8CP04600J

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