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Magnetic criteria of aromaticity in a benzene cation and anion: how does the Jahn-Teller effect influence the aromaticity?

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2012
Authors
Anđelković, Ljubica
Perić, Marko
Zlatar, Matija
Grubišić, Sonja
Gruden-Pavlović, Maja
Article (Published version)
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Abstract
The aromatic/antiaromatic behavior of the Jahn-Teller UT) active benzene cation and anion has been investigated using Density Functional Theory (DFT) calculations of Nuclear Independent Chemical Shifts (NICS) and magnetic susceptibility. NICS parameters have been scanned along the Intrinsic Distortion Path (IDP) for the benzene cation showing antiaromaticity which decreases with increasing deviation from D-6h to D-2h symmetry. Changes in NICS values along the IDP from D-6h to C-2v in the benzene anion revealed non-aromatic character.
Keywords:
DFT / Aromaticity / Jahn-Teller effect / Intrinsic Distortion Path
Source:
Tetrahedron Letters, 2012, 53, 7, 794-799
Publisher:
  • Pergamon-Elsevier Science Ltd, Oxford
Projects:
  • Rational design and synthesis of biologically active and coordination compounds and functional materials, relevant for (bio)nanotechnology (RS-172035)
  • Swiss National Science Foundation

DOI: 10.1016/j.tetlet.2011.12.008

ISSN: 0040-4039

WoS: 000300518900018

Scopus: 2-s2.0-84855837871
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/996
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