short md, nve ensemble
 &cntrl
   ntx=1, irest=0,
   ntc=2, ntf=2, tol=0.0000001, 
   nstlim=500, ntt=0, 
   ntpr=100, ntwr=10000, 
   dt=0.001, vlimit=10.0,
   tempi=300., temp0 = 300.,
   cut=9.,
 &end
 &ewald
  a=62.23, b=62.23, c=62.23,
  nfft1=64,nfft2=64,nfft3=64,
  skinnb=2.,
 &end