&input
  prefix='silicon'
  nrx1=2,
  nrx2=2,
  nrx3=2,
  de=0.01, 
  file_force='./fd_files/force',
  file_out='./silicon'
  innx=1
  nodispsym=.false.
  noatsym=.false.
  verbose=.true.
  hex=.false.
/
