Classical ion: Difference between revisions

Revision as of 18:46, 17 February 2005

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-A hyper-coordinated carbonium ion (see [[Onium Ion]]) such as the penta-coordinated norbornyl cation named non-classical by S. Winstein. The term derives from a cornerstone of the classical theory of structural chemistry since the time of Kekul???????????? in the 1860s that stated that carbon could bind at most four other atoms (tetra-coordination). Tri-coordinated carbenium ions (see [[Enium Ion]]) are consequently termed 'Classical Ions'.
+see [[Non-Classical Ion]].
-== Related Terms ==
-[[Onium Ion]]
-[[Enium Ions]]