Si 
 1.0000000000000000
     6.6172464356554892   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.6172464356554892    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.6172464356554892
 Si 
  16
Selective dynamics
Cartesian
  0.6696204971927249  0.6696204971927249  0.6696204971927249   T   T   T
  2.6390027206350184  5.9476259384627639  3.9782437150204690   T   T   T
  5.9476259384627639  3.9782437150204690  2.6390027206350184   T   T   T
  3.9782437150204690  2.6390027206350184  5.9476259384627639   T   T   T
  3.9782437150204690  3.9782437150204690  3.9782437150204690   T   T   T
  5.9476259384627639  2.6390027206350184  0.6696204971927248   T   T   T
  2.6390027206350184  0.6696204971927249  5.9476259384627639   T   T   T
  0.6696204971927249  5.9476259384627639  2.6390027206350184   T   T   T
  5.9476259384627639  5.9476259384627639  5.9476259384627639   T   T   T
  3.9782437150204690  0.6696204971927248  2.6390027206350184   T   T   T
  0.6696204971927249  2.6390027206350184  3.9782437150204690   T   T   T
  2.6390027206350184  3.9782437150204690  0.6696204971927248   T   T   T
  2.6390027206350184  2.6390027206350184  2.6390027206350184   T   T   T
  0.6696204971927249  3.9782437150204690  5.9476259384627639   T   T   T
  3.9782437150204690  5.9476259384627639  0.6696204971927248   T   T   T
  5.9476259384627639  0.6696204971927249  3.9782437150204690   T   T   T