About the structure of CH5        + and structural variations in related systems

Zoltan Varga

doi:10.1007/s11224-016-0850-6

About the structure of CH₅ ⁺ and structural variations in related systems

Zoltan Varga

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

The carbocation CH₅ ⁺ has a unique structure of C_s symmetry with three 2-center-2-electron bonds and one 3-center-2-electron bond. This ground-state geometry is different from the prediction by the VSEPR model. We have investigated this carbocation along with related systems, among them, BH₅, BLi₅, CLi₅ ⁺, NH₅ ²⁺, NLi₅ ²⁺, to seek possible trends and regularities in the variations of their ground-state geometries.

Original language	English (US)
Pages (from-to)	297-301
Number of pages	5
Journal	Structural Chemistry
Volume	28
Issue number	2
DOIs	https://doi.org/10.1007/s11224-016-0850-6
State	Published - Apr 1 2017

Keywords

Carbocation CH
Five-coordinated systems of first- and second-row elements
Structural variations
VSEPR model

Publisher link

10.1007/s11224-016-0850-6

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title = "About the structure of CH5 + and structural variations in related systems",

abstract = "The carbocation CH5 + has a unique structure of Cs symmetry with three 2-center-2-electron bonds and one 3-center-2-electron bond. This ground-state geometry is different from the prediction by the VSEPR model. We have investigated this carbocation along with related systems, among them, BH5, BLi5, CLi5 +, NH5 2+, NLi5 2+, to seek possible trends and regularities in the variations of their ground-state geometries.",

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AB - The carbocation CH5 + has a unique structure of Cs symmetry with three 2-center-2-electron bonds and one 3-center-2-electron bond. This ground-state geometry is different from the prediction by the VSEPR model. We have investigated this carbocation along with related systems, among them, BH5, BLi5, CLi5 +, NH5 2+, NLi5 2+, to seek possible trends and regularities in the variations of their ground-state geometries.

KW - Carbocation CH

KW - Five-coordinated systems of first- and second-row elements

KW - Structural variations

KW - VSEPR model

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