generated by phonopy
   1.0
     0.0000000000000000    2.7337250000000002    2.7337250000000002
     2.7337250000000002    0.0000000000000000    2.7337250000000002
     2.7337250000000002    2.7337250000000002    0.0000000000000000
Ce O
   1    2
Direct
  0.0000000000000000  0.0000000000000000  0.0000000000000000
  0.7500000000000000  0.7500000000000000  0.7500000000000000
  0.2500000000000000  0.2500000000000000  0.2500000000000000
