SYSTEM = N2 + W(110) . vdW-DF2 . 2x2 . 5 L              

 ISTART = 0
 ICHARG = 2
 LWAVE  =.FALSE.
 LCHARG =.FALSE.
 ISYM   = 0
 ISMEAR =-1
 SIGMA  = 0.1
 PREC   = Accurate

 KPAR   = 2
 NPAR   = 2

#Optimization
 IBRION = 3           ! if used with IPOT, it disables the standard opt algorithm 
 IOPT   = 7           ! FIRE opt algorithm      
 POTIM  = 0           ! 1st step lenght  
 ALGO   = F   
 ADDGRID=.TRUE.

 ENCUT  = 450
 EDIFF  = 1.0E-7
 EDIFFG =-0.020       ! eV/A force threshold for images
 NSW    = 600
 SPRING =-7

#Functional
 GGA      = ML          ! Use the rPW86 exchange
 LUSE_VDW =.TRUE.       ! Use the vdW correlation
 Zab_vdw  =-1.8867      ! Use vdwDF2 instead of vdwDF
 AGGAC    = 0.0000      ! Don't use the std GGA correlation

#NEB
 IMAGES   = 4
 LCLIMB   =.TRUE.