Si 
 1.0000000000000000
     2.7766216066963456   -0.0000000000000000    0.0000000000000000
    -1.3883108033481728    2.4046248480957995   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.6002685073604672
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000138831084  1.6030832400792829  1.1500671268401168   T   T   T
  1.3883107894650650  0.8015416240473497  3.4502013805203502   T   T   T