| Action | Windows | Macintosh |
| MENU | Right | Hold Down |
| Rotate X,Y | Left | Unmodified |
| Translate X,Y | Ctrl-Right# | Command* |
| Rotate Z | Shift-Right | Shift-Command* |
| Zoom | Shift-Left | Shift |
| Slab Plane | Ctrl-Left | Ctrl |
*On some Macs, the Option (Alt) key has the same effect on RasMol as the Command key.
#Simply Right in RasWin. This is the only mouse control which differs between Chime and RasWin.