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POSCAR£º
1.00000000000000     
    40.0000000000000000    0.0000000000000000    0.0000000000000000
     0.0000000000000000   40.0000000000000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000   40.0000000000000000
   M   C    O
    79     1     2
Direct
  0.4993046399203109  0.4992548039135158  0.4992924124318137   F F F
  0.4990485543665031  0.5438863108801399  0.5435908768283824   F F F
  0.4995033566807336  0.4546647224233595  0.4550508152545660   F F F
  
  .. (Ϊ½ÚÔ¼¿Õ¼äÊ¡ÂÔÈô¸ÉÐУ©
  0.5877448409594663  0.4996622676310523  0.4992604420477491   F F F
  0.4996940843718747  0.4109563411793573  0.4996687239395428   F F F
  0.4989078996841698  0.5876795921551263  0.4988993667433306   F F F
  0.5944357731254115  0.6390016216759307  0.5953946665121848   T T T
  0.5823633152745984  0.6624175346966013  0.5822536135436280   T T T
  0.6066869688169945  0.6157805664098532  0.6086636088716872   T T T
INCARÈçÏ£º
ISTART = 1   
ICHARG = 1
PREC = Normal
ALGO = Normal
ISYM = 0    !0-no symmetry, 2-use symmetry

NSW = 1      ! 0 ionic steps
ENCUT = 400  ! energy cutoff for planewaves, ENMAX*1.3 when high

ISPIN = 2    !1-nonspin, 2-spin
GGA = PE    ! PAW-PW91

LVDW = True   ! DFT-D
IVDW = 11     ! zero damping DFT-D3 method of Grimme

EDIFF  = 1E-03   ! Energy convergency
EDIFFG = -0.03
LREAL  = .True.
ISMEAR =    1   ! Metallic  
SIGMA  =   0.2

! frequency
POTIM = 0.02
IBRION = 5  ! frequency calculation
NFREE = 2
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