SYSTEM = Cu 2x2 4 layer O2, Pre PBE vdw-DF2 for HSE06-1/2x vdW-DF2 GGA = PE # XC functional #LHFCALC =.TRUE. # Hartree-Fock calculation #HFSCREEN = 0.2 # Screening length of the range-seperated DF 0.3=HSE03 0.2=HSE06 #AEXX = 0.5 # Fraction of exact exchange AGGAC = 0.0 # required for vdWaals-DF2 LUSE_VDW = .TRUE. # Use vdWaals ZAB_VDW = -1.8667 # This param makes it vdW-DF2 LASPH =.TRUE. # Spherical corrections PREC = Accurate # OptAlgo precision ALGO = Conjugate # Recommended when doing spin polarization due to convergence issues #ALGO = Damped # Used for Hartree-Fock calculations TIME = 0.2 # Speed with which the algorithm tries to converge ENCUT = 440 # Planewave cut-off NELM = 500 # Max N of SCF cycles NELMIN = 4 # Minkum N of SCF Cycles NELMDL =-12 # Number of 'pre cycles' for the SCF ICHARGE = 2 # Start from scratch ISPIN = 2 # Spin polarized MAGMOM = 16*0.5 2*4.0 # Initial magnetic moment, 0.5 for Cu, 4.0 for O ISYM = 0 # Symmetry = 0 = use minimal symmetry -1 = turn it off IBRION =-1 # Single point ISMEAR = 1 # Methfessel-Paxton smearing (1st order) SIGMA = 0.2 # Smearing width (eV) NSW = 0 # Maximum of ionic steps EDIFF = 1.E-9 # Convergence w.r.t. energy (eV) #EDIFF = 1.E-5 #EDIFFG =-0.005 # Convergence w.r.t. forces for Ionic Relaxation #ADDGRID =.TRUE. # Support grid for the forces LCHARGE =.TRUE. # if True Write to file, if False Don't write large files LWAVE =.TRUE. # if True Write to file, if False Don't write large files NPAR = 4 # Parallelization option, best option NPAR~=sqrt(Nr_Cores) Make sure it is a multiple of Nr_Cores KPAR = 2 # K-Point treated in Parallel, Distributes the k points over KPAR groups of KPoints, his cell and 32 cores 2 is opt LPLANE =.TRUE. # Reduce Comunication during FFT's, If True: Make duse NGZ > 3*Nr_Cores/NPAR NSIM = 4 # Nr of Bands that are optimized in parallel,