Ar 
 1.0000000000000000
     3.7149555246914643    0.0000000000000001   -0.0000000000000000
    -1.8574777623457321    3.2172458583121553    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.0628589347288493
 Ar 
   2
Selective dynamics
Cartesian
 -0.0000000185747778  2.1448305829322560  1.5157147336822123   T   T   T
  1.8574777437709551  1.0724152968282055  4.5471442010466383   T   T   T