Structure of 1, 3-Butadiene EsS Most stable conformation is planar Single bond is shorter than 1. A Electrons are delocalized over molecule small amount of overlap partial double bond H H 1.34A H 分—Cm H H H 1.48A1.34A H H Chaper 15Chaper 15 5 Structure of 1,3-Butadiene • Most stable conformation is planar. • Single bond is shorter than 1.54 Å. • Electrons are delocalized over molecule. =>