$cell vectors
1.0
  3.6399982872279524    0.0000000000000000    0.0000000000000000
  0.0000000000000000    3.6399982872279524    0.0000000000000000
  0.0000000000000000    0.0000000000000000    5.2699975202448686
 2 4
Direct
  0.0000000000000000    0.0000000000000000    0.0000000000000000 # Zr1
  0.5000000000000000    0.5000000000000000    0.4999999999999995 # Zr2
  0.0000000000000000    0.5000000000000000    0.1879999999999995 # O1
  0.5000000000000000    0.0000000000000000    0.3119999999999999 # O2
  0.5000000000000000    0.0000000000000000    0.8119999999999994 # O3
  0.0000000000000000    0.5000000000000000    0.6879999999999999 # O4