Si 
 1.0000000000000000
     6.7417443325815007   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.7417443325815007    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    6.7417443325815007
 Si 
  12
Selective dynamics
Cartesian
  1.6854360831453752  0.0000000000000000  3.3708721662907504   T   T   T
  5.0563082494361256  0.0000000000000000  3.3708721662907504   T   T   T
  3.3708721662907504  1.6854360831453752  0.0000000000000000   T   T   T
  3.3708721662907504  5.0563082494361256  0.0000000000000000   T   T   T
 -0.0000000000000000  3.3708721662907504  1.6854360831453754   T   T   T
 -0.0000000000000000  3.3708721662907504  5.0563082494361256   T   T   T
 -0.0000000000000000  1.6854360831453752  3.3708721662907504   T   T   T
 -0.0000000000000000  5.0563082494361256  3.3708721662907504   T   T   T
  1.6854360831453752  3.3708721662907504  0.0000000000000000   T   T   T
  5.0563082494361256  3.3708721662907504  0.0000000000000000   T   T   T
  3.3708721662907504  0.0000000000000000  5.0563082494361256   T   T   T
  3.3708721662907504  0.0000000000000000  1.6854360831453754   T   T   T