ORGANIC CHEMISTRY Chapter 14 Huckel's rule ° Among planar, Fully conjugated polyenes, o Only those possessing(4n+2)T electrons where n is a whole number. will have special stability; that is, be aromatic Antibonding Nonbonding Bonding 4兀 6兀 8兀 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 14 Hückel’s Rule Among planar, Fully conjugated polyenes, Only those possessing (4n + 2) π electrons, where n is a whole number, will have special stability; that is , be aromatic. 4π 6π 8π Antibonding Nonbonding Bonding