Keywords: Hexaoxotricyclobutabenzene-Spartan-HF-6-31Gstar-3D-vdW.png Space-filling model of the hexaoxotricyclobutabenzene molecule C<sub>12</sub>O<sub>6</sub> Structure calculated with HF using the 6-31G basis set in http //www wavefun com/products/macintosh/Student/mac_student html Spartan Student Edition version 4 1 Image generated in http //accelrys com/products/discovery-studio/visualization/discovery-studio-visualizer html Accelrys DS Visualizer Own 2009-06-29 Ben Mills Benjah-bmm27 Images by Ben Mills Hexaoxotricyclobutabenzene |