Sn 
 1.0000000000000000
     5.0734119925272081    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.0734119925272090   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    2.6518328269810749
 Sn 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000 -0.0000000000000000   T   T   T
  2.5367059962636054  2.5367059962636058  1.3259164134905375   T   T   T
  0.0000000000000000  2.5367059962636058  0.6629582067452688   T   T   T
  2.5367059962636054 -0.0000000000000000  1.9888746202358061   T   T   T