$cell vectors
1.0
  4.9039976924631548    0.0000000000000000    0.0000000000000000
  0.0000000000000000    4.9039976924631548    0.0000000000000000
  0.0000000000000000    0.0000000000000000    4.9039976924631548
 4 6
Direct
  0.2500000000000000    0.2500000000000000    0.2500000000000000 # Ag1
  0.2500000000000000    0.7500000000000000    0.7500000000000000 # Ag2
  0.7500000000000000    0.7500000000000000    0.2500000000000000 # Ag3
  0.7500000000000000    0.2500000000000000    0.7500000000000000 # Ag4
  0.5000000000000000    0.0000000000000000    0.0000000000000000 # O1
  0.0000000000000000    0.5000000000000000    0.5000000000000000 # O2
  0.5000000000000000    0.0000000000000000    0.5000000000000000 # O3
  0.5000000000000000    0.5000000000000000    0.0000000000000000 # O4
  0.0000000000000000    0.5000000000000000    0.0000000000000000 # O5
  0.0000000000000000    0.0000000000000000    0.5000000000000000 # O6