Keywords: Lewisite-calculated-by-MP2-3D-balls.png Ball-and-stick model of the lewisite molecule C<sub>2</sub>H<sub>2</sub>AsCl<sub>3</sub> Structure calculated with MP2 using the 6-31G basis set in http //www wavefun com/products/macintosh/Student/mac_student html Spartan Student Edition version 4 1 w Hydrogen en Circle - black simple svg w Carbon en Plain Disc 80 grey svg w Arsenic en Filled-circle-violet svg w Chlorine en Disc Plain green svg Own 2009-05-22 Ben Mills Benjah-bmm27 Images by Ben Mills Lewisite |