Journal of Chemistry

Journal of Chemistry / 2009 / Article

Open Access

Volume 6 |Article ID 489153 | 8 pages | https://doi.org/10.1155/2009/489153

Linnett Double Quartet Theory, Challenging the Pairing Electrons

Received28 May 2008
Accepted20 Jul 2008

Abstract

Linnett proposed his theory 45 years after Lewis's supposition. During these years Pauling, Mulliken and Hund made different molecular structure models based on valance bond and molecular orbital theory. Their theories were seemed to fit many experiences but had some inabilities. Linnett's double quartet theory could solved some important problems about stability of radicals, paramagnetism / diamagnetism in molecular systems, electronic structure in transition states and finally challenge of resonance and aromaticity. In this article we review some basic ideas and concepts concerning different models and then we give a detailed discussion of the LDQ and use it in diverse branches of chemistry.

Copyright © 2009 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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