$cell vectors
1.0
  7.7799963391850193    0.0000000000000000    0.0000000000000000
  0.0000000000000000    5.4899974167256769    0.0000000000000000
  0.0000000000000000    0.0000000000000000    7.6399964050608666
 8 12
Direct
  0.2500000000000003    0.0000000000000000    0.0000000000000000 # Pb1
  0.2500000000000003    0.0000000000000000    0.5000000000000003 # Pb2
  0.0000000000000000    0.4999999999999995    0.2499999999999999 # Pb3
  0.7500000000000003    0.0000000000000000    0.0000000000000000 # Pb4
  0.7500000000000003    0.0000000000000000    0.5000000000000003 # Pb5
  0.4999999999999999    0.5000000000000006    0.7500000000000002 # Pb6
  0.0000000000000000    0.5000000000000006    0.7500000000000002 # Pb7
  0.4999999999999999    0.4999999999999995    0.2499999999999999 # Pb8
  0.0000000000000000    0.2499999999999998    0.0000000000000000 # O1
  0.0000000000000000    0.7500000000000004    0.5000000000000003 # O2
  0.2500000000000003    0.2499999999999998    0.2499999999999999 # O3
  0.2500000000000003    0.7500000000000004    0.2499999999999999 # O4
  0.4999999999999999    0.7500000000000004    0.0000000000000000 # O5
  0.4999999999999999    0.2499999999999998    0.5000000000000003 # O6
  0.7500000000000003    0.7500000000000004    0.7500000000000002 # O7
  0.7500000000000003    0.2499999999999998    0.7500000000000002 # O8
  0.2500000000000003    0.2499999999999998    0.7500000000000002 # O9
  0.2500000000000003    0.7500000000000004    0.7500000000000002 # O10
  0.7500000000000003    0.7500000000000004    0.2499999999999999 # O11
  0.7500000000000003    0.2499999999999998    0.2499999999999999 # O12