Document Type

Article

Journal/Book Title

Chemical Physics Letters

Publication Date

7-5-2019

Publisher

Elsevier BV

Volume

731

First Page

1

Creative Commons License

Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Last Page

11

Abstract

The interaction between glycine and F2CO/F2SiO occurs through the formation of a π-tetrel bond between the C/Si atom and a carboxyl O atom. The interaction energy is some 20 kJ/mol for the C···O tetrel bond, but exceeds 300 kJ/mol for Si···O. As part of the latter complexation process, the proton engaged in the intramolecular OH··N H-bond is transferred across to the N, forming a zwitterion. This Si···O tetrel bond is more effective at inducing this proton transfer than is placement of the glycine in an aqueous medium, complexation with an anionic BH4-, or adding an electron to the glycine.

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