C Si 
 1.0000000000000000
     4.2046456831514520   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.2046456831514520    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.2046456831514520
 C   Si 
   8   4
Selective dynamics
Cartesian
  1.6761820616289196  1.6761820616289196  1.6761820616289196   T   T   T
  0.4261407799468073  2.5284636215225325  3.7785049032046429   T   T   T
  2.5284636215225325  3.7785049032046429  0.4261407799468073   T   T   T
  3.7785049032046429  0.4261407799468073  2.5284636215225325   T   T   T
  2.5284636215225325  2.5284636215225325  2.5284636215225325   T   T   T
  3.7785049032046429  1.6761820616289196  0.4261407799468073   T   T   T
  1.6761820616289196  0.4261407799468073  3.7785049032046429   T   T   T
  0.4261407799468073  3.7785049032046429  1.6761820616289196   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.1023228415757269 -0.0000000000000000  2.1023228415757269   T   T   T
 -0.0000000000000000  2.1023228415757269  2.1023228415757269   T   T   T
  2.1023228415757269  2.1023228415757269  0.0000000000000000   T   T   T