to LJ 
reduced units, simply substitute the appropriate term from the list 
above. E.g. x is in sigmas in LJ units. Per-mole in any of the units 
simply means for 6.023 x 10^23 atoms.</P>
<P>
</P>
<PRE>
Meaning        Variable        Units

positions      x               Angstroms
velocities     v               Angstroms / click (see below)
forces         f               Kcal / (mole - Angstrom)                
masses         mass            gram / mole
charges        q               electron units (-1 for 