Chemistry - Hückel's Rule (4n+2 rule): In order to be aromatic, a molecule must have a certain number of pi electrons (electrons with pi bonds, or lone pairs within p orbitals) within
![The ring systems having the following characteristics are aromatic:(i) Planar ring containing conjugated pi bonds.(ii) Complete delocalization of the pi electrons in ring system i.e., each atom in the ring has unhybridised The ring systems having the following characteristics are aromatic:(i) Planar ring containing conjugated pi bonds.(ii) Complete delocalization of the pi electrons in ring system i.e., each atom in the ring has unhybridised](https://d1hj4to4g9ba46.cloudfront.net/questions/1794809_583d0f7d5e9140888c0090ae524e083a.png)
The ring systems having the following characteristics are aromatic:(i) Planar ring containing conjugated pi bonds.(ii) Complete delocalization of the pi electrons in ring system i.e., each atom in the ring has unhybridised
![Classics Illustrated: Clar's Sextet and Hückel's (4n + 2) π-Electron Rules | The Journal of Physical Chemistry C Classics Illustrated: Clar's Sextet and Hückel's (4n + 2) π-Electron Rules | The Journal of Physical Chemistry C](https://pubs.acs.org/cms/10.1021/acs.jpcc.8b05020/asset/images/medium/jp-2018-05020p_0007.gif)
Classics Illustrated: Clar's Sextet and Hückel's (4n + 2) π-Electron Rules | The Journal of Physical Chemistry C
![A Disrotatory 4n+2 electron anti-aromatic Möbius transition state for a thermal electrocyclic reaction. | Henry Rzepa's Blog A Disrotatory 4n+2 electron anti-aromatic Möbius transition state for a thermal electrocyclic reaction. | Henry Rzepa's Blog](http://www.ch.ic.ac.uk/rzepa/blog/wp-content/uploads/2009/04/p322.jpg)
A Disrotatory 4n+2 electron anti-aromatic Möbius transition state for a thermal electrocyclic reaction. | Henry Rzepa's Blog
![SOLVED: Why is the following compound not aromatic? It isntt planar and the TT electron system is not continuous (i.e: it is not conjuagated): It isn't planar: It has 4n electrons It SOLVED: Why is the following compound not aromatic? It isntt planar and the TT electron system is not continuous (i.e: it is not conjuagated): It isn't planar: It has 4n electrons It](https://cdn.numerade.com/ask_images/638e344b930c40c7bfd3a6485e7e2364.jpg)