Si 
 1.0000000000000000
     3.6945463401891683    0.0000000000000000   -0.0000000000000000
    -1.8472731700945841    3.1995709860626449   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.0331689099215913
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000184727325  2.1330473347070003  3.3936575118758086   T   T   T
  1.8472731516218519  1.0665236726861189  0.3770730569150119   T   T   T
  1.8472731516218519  1.0665236726861191  2.6395113980457823   T   T   T
 -0.0000000184727327  2.1330473347070007  5.6560958530065815   T   T   T