Keywords: PTCDA-3D-balls.png Ball-and-stick model of the perylene-3 4 9 10-tetracarboxylic dianhydride molecule a compound used in the development of organic semiconductors Colour code 505050 Carbon C black<br> F0F0F0 Hydrogen H white<br> F51E1E Oxygen O red<br> 2011-02-17 own DS Visualizer Jynto talk Space-filling version cc-zero PTCDA Images by Jynto |