Si 
 1.0000000000000000
    10.6181800949651759    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000   10.6181800949651777   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.7460426260200448
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
  5.3090900474825897  5.3090900474825924  2.8730213130100197   T   T   T
  0.0000000000000000  5.3090900474825924  1.4365106565050099   T   T   T
  5.3090900474825897 -0.0000000000000000  4.3095319695150289   T   T   T