Re: resonance

Zigoteau wrote:

> I know that resonance theory is widely accepted and used by many
> organic chemists. However it often gives qualitatively wrong answers to
> questions. The organikers of my acquaintance can quote lists of
> counterexamples and exceptions. Of course, they're used to it, and if
> there were no alternative, this would be fine. However with a little
> bit of effort they could switch to Dewar's PMO theory, which is not
> much more difficult, but which has significantly better predictive
> strength.


Whenever you find a fact that can be explained in terms of MO theory but not
in terms of VB or vice versa, its worth looking into the literature, as
probably the conflict has long ago been resolved. If not, you have to work
it out yourself and write a paper.
.

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