Cu2O (Pn-3m, No. 224), cuprite; the Ag2O cell of test_POSCARs/224_PPOSCAR_Ag2O with a = 4.2696 A
   1.0
     4.2696000000000000    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.2696000000000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.2696000000000000
Cu O
   4    2
Direct
  0.2500000000000000  0.2500000000000000  0.7500000000000000
  0.7500000000000000  0.2500000000000000  0.2500000000000000
  0.2500000000000000  0.7500000000000000  0.2500000000000000
  0.7500000000000000  0.7500000000000000  0.7500000000000000
  0.0000000000000000  0.0000000000000000  0.0000000000000000
  0.5000000000000000  0.5000000000000000  0.5000000000000000
