Na 
 1.0000000000000000
     4.2905998468320092    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.2905998468320092   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.2905998468320092
 Na 
   2
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.1452999234160051  2.1452999234160051  2.1452999234160051   T   T   T