Issue 89, 2020

Planar pentacoordinate silicon and germanium atoms

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

Supplementary files

Article information

Article type
Communication
Submitted
11 Ndz 2020
Accepted
08 Nhl 2020
First published
08 Nhl 2020

Chem. Commun., 2020,56, 13772-13775

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, 56, 13772 DOI: 10.1039/D0CC06107G

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