Si 
 1.0000000000000000
     6.6564376598215818   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.6564376598215818    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.6564376598215818
 Si 
  16
Selective dynamics
Cartesian
  0.6609240420338621  0.6609240420338621  0.6609240420338621   T   T   T
  2.6672947878769282  5.9955136177877231  3.9891428719446544   T   T   T
  5.9955136177877231  3.9891428719446540  2.6672947878769286   T   T   T
  3.9891428719446544  2.6672947878769282  5.9955136177877231   T   T   T
  3.9891428719446544  3.9891428719446540  3.9891428719446544   T   T   T
  5.9955136177877231  2.6672947878769282  0.6609240420338620   T   T   T
  2.6672947878769282  0.6609240420338621  5.9955136177877231   T   T   T
  0.6609240420338621  5.9955136177877231  2.6672947878769286   T   T   T
  5.9955136177877231  5.9955136177877231  5.9955136177877231   T   T   T
  3.9891428719446544  0.6609240420338620  2.6672947878769286   T   T   T
  0.6609240420338621  2.6672947878769282  3.9891428719446544   T   T   T
  2.6672947878769282  3.9891428719446540  0.6609240420338620   T   T   T
  2.6672947878769282  2.6672947878769282  2.6672947878769286   T   T   T
  0.6609240420338621  3.9891428719446540  5.9955136177877231   T   T   T
  3.9891428719446544  5.9955136177877231  0.6609240420338620   T   T   T
  5.9955136177877231  0.6609240420338621  3.9891428719446544   T   T   T