20 ps heating step with NVT
&cntrl
	imin=0,
	ntc=2, ntf=2,
	ntb=1, ntt=3, ntp=0,
	gamma_ln=1.0,
	ig=-1,
	dt=0.002, nstlim=10000,
	tempi=0.0, temp0=300.0,
	irest=0, ntx=1,
	ntpr=100, ntwx=100,
	cut=8.0,
	ntr=1,
	restraintmask="!:WAT & !(@NA+, CL-)",
	restraint_wt=10,
/

	
