Na 
 1.0000000000000000
     4.3229744639491603   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.3229744639491603    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.3229744639491603
 Na 
   2
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.1614872319745801  2.1614872319745801  2.1614872319745801   T   T   T