DL_POLY: Potassium Chloride Test Case 
UNITS eV
MOLECULES 1
Potassium Chloride
nummols 27
atoms 8
K+           39.0983       0.994    4 0 
Cl-          35.4530      -0.994    4 0
finish
VDW 3
K+      K+      buck      3796.9      0.2603      124.90
Cl-     Cl-     buck      1227.2      0.3214      124.90
K+      Cl-     buck      4117.9      0.3048      0.0000
CLOSE

