Donor–acceptor interactions in tri(phosphonio)methanide dications [(Ph3P)2CP(X)Ph2]2+ (X = H, Me, CN, NCS, OH, Cl, OTf, F)

S. Yogendra; F. Hennersdorf; A. Bauzá; A. Frontera; R. Fischer; J. J. Weigand

doi:10.1039/C7DT03271D

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Donor–acceptor interactions in tri(phosphonio)methanide dications [(Ph₃P)₂CP(X)Ph₂]²⁺ (X = H, Me, CN, NCS, OH, Cl, OTf, F)†

S. Yogendra,

^a F. Hennersdorf,

^a A. Bauzá,

^b A. Frontera,

^b R. Fischer^c and J. J. Weigand

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Food Chemistry, TU Dresden, 01062 Dresden, Germany
E-mail: jan.weigand@tu-dresden.de

^b Department of Chemistry, Universitat de les Illes Balears, Palma de Mallorca, Spain

^c Department of Inorganic Chemistry, TU Graz, 8010 Graz, Austria

Abstract

The impact of the strongly electron donating carbodiphosphorane moiety in the series of tri(phosphonio)methanide dications as triflate salts [(Ph₃P)₂CP(X)Ph₂][OTf]₂ (X = H, Me, CN, NCS, OH, Cl, OTf, F) deriving from [(Ph₃P)₂CPPh₂][OTf] (19[OTf]) is presented. The influence of the introduced substituents X on the electronic structures of these dications is investigated by means of detailed NBO analysis, NMR spectroscopy and X-ray analysis.

This article is part of the themed collection: Philip Power at 65: an icon of organometallic chemistry

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Article information

DOI: https://doi.org/10.1039/C7DT03271D
Article type: Paper
Submitted: 04 Sep 2017
Accepted: 11 Oct 2017
First published: 01 Nov 2017

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Dalton Trans., 2017,46, 15503-15511

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Donor–acceptor interactions in tri(phosphonio)methanide dications [(Ph₃P)₂CP(X)Ph₂]²⁺ (X = H, Me, CN, NCS, OH, Cl, OTf, F)

S. Yogendra, F. Hennersdorf, A. Bauzá, A. Frontera, R. Fischer and J. J. Weigand, Dalton Trans., 2017, 46, 15503 DOI: 10.1039/C7DT03271D

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Dalton Transactions