A quantum chemical study of the quintuple bond between two chromium centers in [PhCrCrPh]: trans-Bent versus linear geometry

Marcin Brynda; Laura Gagliardi; Per Olof Widmark; Philip P. Power; Björn O. Roos

doi:10.1002/anie.200600110

A quantum chemical study of the quintuple bond between two chromium centers in [PhCrCrPh]: trans-Bent versus linear geometry

Marcin Brynda
, Laura Gagliardi
, Per Olof Widmark
, Philip P. Power
, Björn O. Roos

Chemistry (Twin Cities)

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

294 Scopus citations

Abstract

(Figure Presented) High five: Multiconfigurational quantum chemical methods show that a quintuple bond is present between the two Cr^I units in the model complex [PhCrCrPh]. The Cr-Cr (1.75 Å) and Cr-Ph (2.02 Å) bonds are shorter than those in the recently reported compound [Ar′CrCrAr′] (Ar′ = 2,6-(2,6-iPr₂C ₆H₃)₂C₆H₃; 1.83 and 2.15 Å, respectively). This difference is attributed to the additional Cr-Ar′ interactions.

Original language	English (US)
Pages (from-to)	3804-3807
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	45
Issue number	23
DOIs	https://doi.org/10.1002/anie.200600110
State	Published - Jun 2 2006

Bibliographical note

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

Ab initio calculations
Chromium
Density functional calculations
Metal-metal interactions
Multiple bonds

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10.1002/anie.200600110

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abstract = "(Figure Presented) High five: Multiconfigurational quantum chemical methods show that a quintuple bond is present between the two CrI units in the model complex [PhCrCrPh]. The Cr-Cr (1.75 {\AA}) and Cr-Ph (2.02 {\AA}) bonds are shorter than those in the recently reported compound [Ar′CrCrAr′] (Ar′ = 2,6-(2,6-iPr2C 6H3)2C6H3; 1.83 and 2.15 {\AA}, respectively). This difference is attributed to the additional Cr-Ar′ interactions.",

keywords = "Ab initio calculations, Chromium, Density functional calculations, Metal-metal interactions, Multiple bonds",

author = "Marcin Brynda and Laura Gagliardi and Widmark, \{Per Olof\} and Power, \{Philip P.\} and Roos, \{Bj{\"o}rn O.\}",

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T1 - A quantum chemical study of the quintuple bond between two chromium centers in [PhCrCrPh]

T2 - trans-Bent versus linear geometry

AU - Brynda, Marcin

AU - Gagliardi, Laura

AU - Widmark, Per Olof

AU - Power, Philip P.

AU - Roos, Björn O.

PY - 2006/6/2

Y1 - 2006/6/2

N2 - (Figure Presented) High five: Multiconfigurational quantum chemical methods show that a quintuple bond is present between the two CrI units in the model complex [PhCrCrPh]. The Cr-Cr (1.75 Å) and Cr-Ph (2.02 Å) bonds are shorter than those in the recently reported compound [Ar′CrCrAr′] (Ar′ = 2,6-(2,6-iPr2C 6H3)2C6H3; 1.83 and 2.15 Å, respectively). This difference is attributed to the additional Cr-Ar′ interactions.

AB - (Figure Presented) High five: Multiconfigurational quantum chemical methods show that a quintuple bond is present between the two CrI units in the model complex [PhCrCrPh]. The Cr-Cr (1.75 Å) and Cr-Ph (2.02 Å) bonds are shorter than those in the recently reported compound [Ar′CrCrAr′] (Ar′ = 2,6-(2,6-iPr2C 6H3)2C6H3; 1.83 and 2.15 Å, respectively). This difference is attributed to the additional Cr-Ar′ interactions.

KW - Ab initio calculations

KW - Chromium

KW - Density functional calculations

KW - Metal-metal interactions

KW - Multiple bonds

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JO - Angewandte Chemie - International Edition

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IS - 23

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A quantum chemical study of the quintuple bond between two chromium centers in [PhCrCrPh]: trans-Bent versus linear geometry

Abstract

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