$cell vectors
1.0
  6.4023969874033648    0.0000000000000000    0.0000000000000000
  0.0000000000000000    6.4023969874033648    0.0000000000000000
  0.0000000000000000    0.0000000000000000    4.2785979867399773
 6 4
Direct
  0.0000000000000000    0.0000000000000000    0.0000000000000000 # Cu1
  0.6470000000000000    0.8530000000000002    0.2190000000000003 # Cu2
  0.8530000000000002    0.3530000000000002    0.7809999999999997 # Cu3
  0.3530000000000002    0.1469999999999999    0.2190000000000003 # Cu4
  0.1469999999999999    0.6470000000000000    0.7809999999999997 # Cu5
  0.5000000000000000    0.5000000000000000    0.0000000000000000 # Cu6
  0.2719999999999997    0.7719999999999997    0.2640000000000002 # Se1
  0.7719999999999997    0.7279999999999996    0.7359999999999998 # Se2
  0.7279999999999996    0.2280000000000004    0.2640000000000002 # Se3
  0.2280000000000004    0.2720000000000005    0.7359999999999998 # Se4