Si 
 1.0000000000000000
     2.9389464825331149    0.0000000000000001   -0.0000000000000000
    -1.4694732412665574    2.5452023142365960    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.7694166826387905
 Si 
   2
Selective dynamics
Cartesian
 -0.0000000146947332  1.6968015513084052  1.1923541706596976   T   T   T
  1.4694732265718256  0.8484007798962065  3.5770625119790926   T   T   T