Issue 16, 2021

Is a transition metal–silicon quadruple bond viable?

Abstract

Quadruple bonding in heavier main group elements is not known albeit having four valence orbitals accessible for bonding. Here we report the unprecedented quadruple bonding between a silicon atom and a transition metal fragment in the 1A1 electronic ground state of C3v symmetric SiRu(CO)3 based on high level theoretical calculations. Various bonding analyses reveal the nature of the Si[quadruple bond, length as m-dash]Ru quadruple bonding interaction, which involves one usual Si–Ru σ bond, two usual Si–Ru π bonds and one additional Si → Ru dative σ bond.

Graphical abstract: Is a transition metal–silicon quadruple bond viable?

Supplementary files

Article information

Article type
Communication
Submitted
08 ⴱⵕⴰ 2021
Accepted
29 ⵎⴰⵕ 2021
First published
30 ⵎⴰⵕ 2021

Phys. Chem. Chem. Phys., 2021,23, 9660-9662

Is a transition metal–silicon quadruple bond viable?

A. J. Kalita, S. S. Rohman, C. Kashyap, S. S. Ullah, I. Baruah, L. J. Mazumder, P. P. Sahu and A. K. Guha, Phys. Chem. Chem. Phys., 2021, 23, 9660 DOI: 10.1039/D1CP00598G

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