The 4,5,6-triphospha[3]radialene dianion: a phosphorus analogue of the deltate dianion. A NICS(0)πzz examination of their aromaticity

Hideaki Miyake; Takahiro Sasamori; Judy I-Chia Wu; Paul v. R. Schleyer; Norihiro Tokitoh

doi:10.1039/C2CC35978B

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The 4,5,6-triphospha[3]radialene dianion: a phosphorus analogue of the deltate dianion. A NICS(0)_πzz examination of their aromaticity†‡

Hideaki Miyake,^a Takahiro Sasamori,*^a Judy I-Chia Wu,^b Paul v. R. Schleyer^b and Norihiro Tokitoh*^a

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* Corresponding authors

^a Institute for Chemical Research, Kyoto University, Gokasho, Kyoto, Uji, Japan
E-mail: sasamori@boc.kuicr.kyoto-u.ac.jp, tokitoh@boc.kuicr.kyoto-u.ac.jp
Fax: +81-774-38-3209
Tel: +81-774-38-3200

^b Center for Computational Chemistry, Department of Chemistry, University of Georgia, Athens, USA

Abstract

Reduction of a 4,5,6-triphospha[3]radialene gave the corresponding isolable dianionic species. Despite having two deltate dianion-like π-electrons delocalized over the central framework, its small NICS(0)_πzz value (only –2.2 ppm) indicates only limited aromaticity.

This article is part of the themed collection: Aromaticity

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Article information

DOI: https://doi.org/10.1039/C2CC35978B
Article type: Communication
Submitted: 17 Aug 2012
Accepted: 09 Oct 2012
First published: 09 Oct 2012

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Chem. Commun., 2012,48, 11440-11442

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The 4,5,6-triphospha[3]radialene dianion: a phosphorus analogue of the deltate dianion. A NICS(0)_πzz examination of their aromaticity

H. Miyake, T. Sasamori, J. I. Wu, P. v. R. Schleyer and N. Tokitoh, Chem. Commun., 2012, 48, 11440 DOI: 10.1039/C2CC35978B

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