Example QMMM MD Script for Sander 9
 &cntrl
  imin=1, maxcyc=500,
  ntb=0,
  cut=20., 
  ifqnt=1
 /
 &qmmm
  qmmask='@668-678,1394-1399,2935-2939,3668-3675'
  qmcharge=-1, 
  qmtheory=1, 
  qmcut=20.0
 /