Ar 
 1.0000000000000000
     2.0618390572520395    0.0000000000000003    0.0000000000000000
    -1.0309195286260198    1.7856050020952199    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.3670362476243847
 Ar 
   2
Selective dynamics
Cartesian
 -0.0000000103091956  1.1904033406821626  0.8417590619060964   T   T   T
  1.0309195183168245  0.5952016733170900  2.5252771857182887   T   T   T