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Planar pentacoordinate silicon and germanium atoms

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Abstract

The global minimum of XMg4Y (X = Si, Ge; Y = In, Tl) and SiMg3In2 contains a planar pentacoordinate atom of group 14 other than carbon. Its design is based on the “localization” approach, replacing one or two peripheral atoms in XMg52− by more electronegative ones. This change diminishes the repulsion and leads to stronger covalent X–Y bonds, stabilizing the planar pentacoordinate atom species.

Graphical abstract: Planar pentacoordinate silicon and germanium atoms

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Article information


Submitted
11 Sep 2020
Accepted
08 Oct 2020
First published
08 Oct 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Planar pentacoordinate silicon and germanium atoms

M. Wang, X. Dong, Z. Cui, M. Orozco-Ic, Y. Ding, J. Barroso and G. Merino, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC06107G

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