Keywords: Ethylene-LUMO-Spartan-3D-balls.png Space-filling model of the LUMO of ethylene Structure calculated and image produced using HF/6-31G in http //www wavefun com/products/macintosh/Student/mac_student html Spartan '04 Student Edition Own 2009-01-27 Ben Mills Benjah-bmm27 Images by Ben Mills Ethylene molecular orbitals |