generated by phonopy
   1.0
     0.0000000000000000    2.7343639999999998    2.7343639999999998
     2.7343639999999998    0.0000000000000000    2.7343639999999998
     2.7343639999999998    2.7343639999999998    0.0000000000000000
Si
   2
Direct
  0.7800000000000000  0.7700000000000000  0.7300000000000000
  0.6000000000000000  0.3000000000000000  0.4000000000000000
