Si 
 1.0000000000000000
     4.8463307366511206    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.8463307366511215    0.0000000000000000
     0.0000000000000000    0.0000000000000000    2.6914375819579450
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.4231653683255598  2.4231653683255607  1.3457187909789725   T   T   T
 -0.0000000000000000  2.4231653683255607  0.6728593954894863   T   T   T
  2.4231653683255598  0.0000000000000000  2.0185781864684587   T   T   T