C Si 
 1.0000000000000000
     4.7160787700695632   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.7160787700695632    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.7160787700695632
 C   Si 
   8   4
Selective dynamics
Cartesian
  1.9352878981766388  1.9352878981766388  1.9352878981766388   T   T   T
  0.4227514868581431  2.7807908718929260  4.2933272832114202   T   T   T
  2.7807908718929260  4.2933272832114202  0.4227514868581431   T   T   T
  4.2933272832114202  0.4227514868581431  2.7807908718929260   T   T   T
  2.7807908718929260  2.7807908718929260  2.7807908718929260   T   T   T
  4.2933272832114202  1.9352878981766388  0.4227514868581431   T   T   T
  1.9352878981766388  0.4227514868581431  4.2933272832114202   T   T   T
  0.4227514868581431  4.2933272832114202  1.9352878981766388   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.3580393850347816 -0.0000000000000000  2.3580393850347816   T   T   T
  0.0000000000000000  2.3580393850347816  2.3580393850347816   T   T   T
  2.3580393850347816  2.3580393850347816  0.0000000000000000   T   T   T