$cell vectors
1.0
  3.4516983758309689    0.0000000000000000    0.0000000000000000
  0.0000000000000000    3.4516983758309689    0.0000000000000000
  0.0000000000000000    0.0000000000000000   11.6799945040721109
 4 4
Direct
  0.0000000000000000    0.0000000000000000    0.0000000000000000 # Nb1
  0.5000000000000008    0.0000000000000000    0.7500000000000002 # Nb2
  0.5000000000000008    0.5000000000000008    0.5000000000000000 # Nb3
  0.0000000000000000    0.5000000000000008    0.2500000000000003 # Nb4
  0.0000000000000000    0.0000000000000000    0.4160000000000002 # As1
  0.5000000000000008    0.0000000000000000    0.1659999999999999 # As2
  0.5000000000000008    0.5000000000000008    0.9160000000000000 # As3
  0.0000000000000000    0.5000000000000008    0.6659999999999999 # As4