Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic Criterion

The consideration of the disposition of minima of electron density and electrostatic potential along the line between non-covalently bound atoms in systems with Hal−···CH3–Y (Hal− = Cl, Br; Y = N, O) fragments allowed to prove that the c...

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Main Authors: Ekaterina Bartashevich, Yury Matveychuk, Vladimir Tsirelson
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/24/6/1083
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author Ekaterina Bartashevich
Yury Matveychuk
Vladimir Tsirelson
author_facet Ekaterina Bartashevich
Yury Matveychuk
Vladimir Tsirelson
author_sort Ekaterina Bartashevich
collection DOAJ
description The consideration of the disposition of minima of electron density and electrostatic potential along the line between non-covalently bound atoms in systems with Hal−···CH3–Y (Hal− = Cl, Br; Y = N, O) fragments allowed to prove that the carbon atom in methyl group serves as an electrophilic site provider. These interactions between halide anion and carbon in methyl group can be categorized as the typical tetrel bonds. Statistics of geometrical parameters for such tetrel bonds in CSD is analyzed. It is established that the binding energy in molecular complexes with tetrel bonds correlate with the potential acting on an electron in molecule (PAEM). The PAEM barriers for tetrel bonds show a similar behavior for both sets of complexes with Br− and Cl− electron donors.
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spelling doaj.art-e93ce7df40e04ec58914720298a17daf2022-12-21T18:58:24ZengMDPI AGMolecules1420-30492019-03-01246108310.3390/molecules24061083molecules24061083Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic CriterionEkaterina Bartashevich0Yury Matveychuk1Vladimir Tsirelson2Research Laboratory of Multiscale Modelling of Multicomponent Functional Materials, REC Nanotechnology, South Ural State University, 454080 Chelyabinsk, RussiaResearch Laboratory of Multiscale Modelling of Multicomponent Functional Materials, REC Nanotechnology, South Ural State University, 454080 Chelyabinsk, RussiaResearch Laboratory of Multiscale Modelling of Multicomponent Functional Materials, REC Nanotechnology, South Ural State University, 454080 Chelyabinsk, RussiaThe consideration of the disposition of minima of electron density and electrostatic potential along the line between non-covalently bound atoms in systems with Hal−···CH3–Y (Hal− = Cl, Br; Y = N, O) fragments allowed to prove that the carbon atom in methyl group serves as an electrophilic site provider. These interactions between halide anion and carbon in methyl group can be categorized as the typical tetrel bonds. Statistics of geometrical parameters for such tetrel bonds in CSD is analyzed. It is established that the binding energy in molecular complexes with tetrel bonds correlate with the potential acting on an electron in molecule (PAEM). The PAEM barriers for tetrel bonds show a similar behavior for both sets of complexes with Br− and Cl− electron donors.http://www.mdpi.com/1420-3049/24/6/1083tetrel bondelectron densityelectrostatic potentialpotential acting on an electron in molecule
spellingShingle Ekaterina Bartashevich
Yury Matveychuk
Vladimir Tsirelson
Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic Criterion
Molecules
tetrel bond
electron density
electrostatic potential
potential acting on an electron in molecule
title Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic Criterion
title_full Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic Criterion
title_fullStr Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic Criterion
title_full_unstemmed Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic Criterion
title_short Identification of the Tetrel Bonds between Halide Anions and Carbon Atom of Methyl Groups Using Electronic Criterion
title_sort identification of the tetrel bonds between halide anions and carbon atom of methyl groups using electronic criterion
topic tetrel bond
electron density
electrostatic potential
potential acting on an electron in molecule
url http://www.mdpi.com/1420-3049/24/6/1083
work_keys_str_mv AT ekaterinabartashevich identificationofthetetrelbondsbetweenhalideanionsandcarbonatomofmethylgroupsusingelectroniccriterion
AT yurymatveychuk identificationofthetetrelbondsbetweenhalideanionsandcarbonatomofmethylgroupsusingelectroniccriterion
AT vladimirtsirelson identificationofthetetrelbondsbetweenhalideanionsandcarbonatomofmethylgroupsusingelectroniccriterion