Keywords: LSD-from-xtal-and-Spartan-PM3-3D-sticks-web.png Stick model of the lysergic acid diethylamide LSD molecule C<sub>20</sub>H<sub>25</sub>N<sub>3</sub>O Colour code Carbon C grey-black Hydrogen H white Nitrogen N blue Oxygen O red Structure based on that found in the related salt LSD o-iodobenzoate monohydrate determined by X-ray crystallography in http //molpharm aspetjournals org/content/9/1/23 abstract Molecular Pharmacology 1973 9 23-32 Model manipulated in http //www crystalmaker com/ CrystalMaker 8 3 The structure of the LSD+H<sup>+</sup> cation from the above crystal structure was opened in http //www wavefun com/products/macintosh/Student/mac_student html Spartan Student 4 1 one hydrogen atom on the R<sub>3</sub>NH<sup>+</sup> group was deleted yielding the neutral LSD molecule Its structure was then refined with the PM3 semi-empirical method Image generated in http //accelrys com/products/discovery-studio/visualization/discovery-studio-visualizer html Accelrys DS Visualizer Own 2011-03-13 Ben Mills Benjah-bmm27 Images by Ben Mills Lysergic acid diethylamide |