           29
   Defect perfec
   Si    0.000000    0.000000    0.000000
   C     1.073832    1.073832    1.073832
   Si    2.147665    2.147665    0.000000
   Si    0.000000    2.147665    2.147665
   Si    2.147665    0.000000    2.147665
   C     1.073832    1.073832   -3.221497
   Si    0.000000    2.147665   -2.147665
   C     1.073832    3.221497   -1.073832
   Si    2.147665    0.000000   -2.147665
   C     3.221497    1.073832   -1.073832
   C     1.073832   -3.221497    1.073832
   Si    2.147665   -2.147665    0.000000
   C     3.221497   -1.073832    1.073832
   Si    0.000000   -2.147665    2.147665
   C     1.073832   -1.073832    3.221497
   Si    0.000000   -2.147665   -2.147665
   C     1.073832   -1.073832   -1.073832
   C    -3.221497    1.073832    1.073832
   Si   -2.147665    2.147665    0.000000
   C    -1.073832    3.221497    1.073832
   Si   -2.147665    0.000000    2.147665
   C    -1.073832    1.073832    3.221497
   Si   -2.147665    0.000000   -2.147665
   C    -1.073832    1.073832   -1.073832
   Si   -2.147665   -2.147665    0.000000
   C    -1.073832   -1.073832    1.073832
   C    -1.073832   -1.073832   -3.221497
   C    -3.221497   -1.073832   -1.073832
   C    -1.073832   -3.221497   -1.073832
