cif to poscar ['C']
   1.0
     0.0  1.783455  1.783455
     1.783455  0.0  1.783455
     1.783455  1.783455  0.0
   C
   2
Selective dynamics
Direct
  0.0  0.0  0.0	T  T  T	! C1
  0.25  0.25  0.25	T  T  T	! C1
