generated by phonopy
   1.0
     0.0000000000000000    2.7330994218873927    2.7330994218873927
     2.7330994218873927    0.0000000000000000    2.7330994218873927
     2.7330994218873927    2.7330994218873927    0.0000000000000000
Si
   2
Direct
  0.8750000000000000  0.8750000000000000  0.8750000000000000
  0.1250000000000000  0.1250000000000000  0.1250000000000000
