Volume 121, Issue 8 pp. 1435-1438
Zuschrift

The Inverted Bond in [1.1.1]Propellane is a Charge-Shift Bond

Wei Wu Prof.

Wei Wu Prof.

State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005 (P.R. China), Fax: (+86) 592-218-4708

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Junjing Gu

Junjing Gu

State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005 (P.R. China), Fax: (+86) 592-218-4708

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Jinshuai Song

Jinshuai Song

State Key Laboratory of Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005 (P.R. China), Fax: (+86) 592-218-4708

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Sason Shaik Prof.

Sason Shaik Prof.

Institute of Chemistry and The Lise Meitner-Minerva Center for Computational Quantum Chemistry, The Hebrew University, Jerusalem, 91904 (Israel), Fax: (+972) 2-658-4680

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Philippe C. Hiberty Prof.

Philippe C. Hiberty Prof.

Laboratoire de Chimie Physique, Groupe de Chimie Théorique, CNRS UMR 8000, Université de Paris-Sud, 91405 Orsay Cédex (France), Fax: (+33) 1-6941-6175

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First published: 30 January 2009
Citations: 46

The research in Xiamen is supported by the Natural Science Foundation of China (No 20533020, 20873106) and the National Basic Research Program of China (204CB719902). S.S. is supported by an ISF grant (16/06)

Abstract

Gebunden, aber wie? Eine Ab-initio-Studie von [1.1.1]Propellan spricht für eine starke σ-Bindung zwischen den beiden Brückenkopf-Kohlenstoffatomen, die aber weder klassisch kovalent noch klassisch ionisch, sondern eine Ladungsverschiebungsbindung ist, in der die Resonanzenergie zwischen kovalenten und ionischen Strukturen die Hauptrolle spielt. Insofern spiegelt die zentrale Bindung in [1.1.1]Propellan die Einfachbindung in Difluor gut wider.

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