C Si 
 1.0000000000000000
     4.5379290495879703    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.5379290495879703    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5379290495879703
 C   Si 
   8   4
Selective dynamics
Cartesian
  1.8307270196460095  1.8307270196460095  1.8307270196460095   T   T   T
  0.4382375051479752  2.7072020299419588  4.0996915444399962   T   T   T
  2.7072020299419588  4.0996915444399962  0.4382375051479752   T   T   T
  4.0996915444399962  0.4382375051479752  2.7072020299419588   T   T   T
  2.7072020299419588  2.7072020299419588  2.7072020299419588   T   T   T
  4.0996915444399962  1.8307270196460095  0.4382375051479752   T   T   T
  1.8307270196460095  0.4382375051479752  4.0996915444399962   T   T   T
  0.4382375051479752  4.0996915444399953  1.8307270196460095   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.2689645247939851  0.0000000000000000  2.2689645247939851   T   T   T
 -0.0000000000000000  2.2689645247939851  2.2689645247939851   T   T   T
  2.2689645247939851  2.2689645247939851  0.0000000000000000   T   T   T