INCAR-raman

SYSTEM = opt-3
#ISTART  = 0
#ICHARG = 2
#LWAVE=F 
#LCHARG=F

#ISPIN = 2
ENCUT = 400
ISMEAR  = 0
SIGMA = 0.1

GGA = RP
#IVDW= 11  ! DFT-D3

LREAL = Auto  
EDIFF = 1e-5
#EDIFFG= -0.01
PREC = N
ALGO = F
NPAR=4

NELM = 400
NELMIN = 5
#NELMDL = -10

#NSW = 500
#POTIM = 0.4
#IBRION = 1  !low_accuracy use qn
#ISIF=2

#phonon
#! phonons
#ICHAIN = 1      ! Run the dynamical matrix code
#! IMAGES  M     ! Number of parallel images, if desired as in step 2 above; otherwise, do not add.
#NSW = 22        ! (DOF/M)+1   Number of ionic steps
#IBRION =   3    ! Tell VASP to run dynamics,
#POTIM  = 0.0    ! with a time step of zero (ie, do nothing)
#ISYM = 0        ! Make sure that symmetry is off,
#EDIFFG = -1E-12 ! and that vasp does not quit due to low forces
#NWRITE=3

LEPSILON=T
ISYM=0

#IDIPOL=3
#LDIPOL=.TRUE.


#LSOL = .TRUE.
#EB_K = 78.400000
#TAU = 0.000000
#LAMBDA_D_K = 3.000000