Si 
 1.0000000000000000
     2.7891490191178607    0.0000000000000000   -0.0000000000000000
    -1.3945745095589304    2.4154739054965164   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.3987681561044676
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000139457454  1.6103159450492570  1.0996920390261167   T   T   T
  1.3945744956131856  0.8051579765504185  3.2990761170783496   T   T   T