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&SYSTEM
    ibrav = 0,
    celldm(1)=4.6478                    
    nat = 2,
    ntyp = 1,
ecutwfc = 100.D0 ,
CELL_PARAMETERS
1.00000000       0.00000000        0.00000000
-0.5000000       0.866025000       0.00000000
0.00000000       0.00000000        4.0000000  
ATOMIC_POSITIONS crystal
    C      0.333333333    0.66666667    0.5000000000   
C      0.666666667    0.33333333   0.5000000000
Result£º 8 Sym.Ops. (with inversion)  --ÎÊÌâËùÔÚ

&SYSTEM
      ibrav = 4,
      celldm(1) = 4.6478,
      celldm(3) = 4.0,                        
      nat = 2,
      ntyp = 1,
      ecutwfc = 100.D0 ,
ATOMIC_POSITIONS crystal
    C      0.333333333    0.66666667    0.5000000000   
  C      0.666666667    0.333333333    0.5000000000   
Result£º24 Sym.Ops. (with inversion)  ---ibrav=4ʱ¿ÉÒÔÕÒµ½£¬¶øÇÒ¶ÔÓ¦µãȺΪD6h¡£

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4Â¥: Originally posted by Dirac12345 at 2014-11-22 04:00:15
Ibrav=0ʱ£¬  celldm(1)=4.6478 ÊÇÔõôÀ´µÄÄØ£¿

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