The SN2 Reaction

The following animation shows the reaction between methylthiolate and (S)-2-bromobutane:

CH3S(–) + CH3CHBrCH2CH3 ___> CH3SCH(CH3)CH2CH3 + Br(–).

The sodium cation that accompanies the anions is not shown so as to keep the diagram simple.
 Spacefill Model
 Ball&Stick Model
 Stop Motion (on/off)

This animation may be manipulated at any time by click-dragging the image.