Rep:Mod:awc106 module part2

The Diels Alder Cycloaddition

A molecule of cis-butadiene was drawn in Gaussview, and optimised using the AM1 semi-empirical molecular orbital method. After completion, the molecular orbitals were available:

Table 1: Molecular Orbitals of Cis-Butadiene
Molecular Orbital	Image	Symmetry with Respect to Plane
HOMO
LUMO

https://www.ch.ic.ac.uk/wiki/images/8/87/CIS_BUTADIENE_OPT.LOG

The Diels Alder Cycloaddition

Table 1: Molecular Orbitals of Cis-Butadiene