Keywords: Butadiene-HOMO-Spartan-3D-balls.png Space-filling model of the HOMO of butadiene Structure calculated and image produced using HF/6-31G in http //www wavefun com/products/macintosh/Student/mac_student html Spartan '04 Student Edition Energy of orbital ˆ’8 66624 eV Own 2009-01-26 Ben Mills Benjah-bmm27 Images by Ben Mills Butadiene molecular orbitals |