Default POSCAR of H2O molecule
   1.00000000000000
    10.0000000000000000    0.0000000000000000    0.0000000000000000
     0.0000000000000000   10.0000000000000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000   10.0000000000000000
   H    O 
     2     1
Direct
  0.4755023497429747  0.5934488344445512  0.5000000000000000
  0.5960443268279718  0.4996816749258670  0.5000000000000000
  0.4999415770369922  0.5004893674541435  0.5000000000000000
 
  0.00000000E+00  0.00000000E+00  0.00000000E+00
  0.00000000E+00  0.00000000E+00  0.00000000E+00
  0.00000000E+00  0.00000000E+00  0.00000000E+00
