Ar 
 1.0000000000000000
     5.2441729152579608    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    5.2441729152579608    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.2441729152579608
 Ar 
   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.6220864576289808  2.6220864576289808   T   T   T
  2.6220864576289808  0.0000000000000000  2.6220864576289808   T   T   T
  2.6220864576289808  2.6220864576289808  0.0000000000000000   T   T   T