$cell vectors
1.0
  7.0509966822099734    0.0000000000000000    0.0000000000000000
  0.0000000000000000    9.9679953096396261    0.0000000000000000
  0.0000000000000000    0.0000000000000000    7.2849965721032000
 8 4 4 28
Direct
  0.2500000000000002    0.2502999999999999    0.0000000000000000 # Na1
  0.9980000000000000    0.4999999999999998    0.2499999999999996 # Na2
  0.7499999999999998    0.7503000000000002    0.5000000000000000 # Na3
  0.4980000000000004    0.0000000000000000    0.7499999999999997 # Na4
  0.7499999999999998    0.2497000000000000    0.0000000000000000 # Na5
  0.0020000000000000    0.0000000000000000    0.2499999999999996 # Na6
  0.2500000000000002    0.7496999999999998    0.5000000000000000 # Na7
  0.5020000000000003    0.5000000000000003    0.7499999999999997 # Na8
  0.2500000000000002    0.2506000000000000    0.5000000000000000 # Mg1
  0.7499999999999998    0.7505999999999998    0.0000000000000000 # Mg2
  0.7499999999999998    0.2494000000000003    0.5000000000000000 # Mg3
  0.2500000000000002    0.7494000000000001    0.0000000000000000 # Mg4
  0.0000000000000000    0.5000000000000003    0.7499999999999997 # Al1
  0.4999999999999996    0.0000000000000000    0.2499999999999996 # Al2
  0.0000000000000000    0.0000000000000000    0.7499999999999997 # Al3
  0.5000000000000003    0.4999999999999998    0.2499999999999996 # Al4
  0.0000000000000000    0.2500000000000002    0.3863000000000001 # F1
  0.9990000000000000    0.4147999999999999    0.9708999999999997 # F2
  0.1830000000000001    0.3858999999999999    0.6817999999999994 # F3
  0.3150000000000002    0.3888000000000000    0.3208999999999996 # F4
  0.5000000000000003    0.7500000000000000    0.8863000000000001 # F5
  0.4989999999999996    0.9148000000000003    0.4708999999999997 # F6
  0.6829999999999997    0.8858999999999998    0.1818000000000001 # F7
  0.8149999999999998    0.8888000000000004    0.8208999999999996 # F8
  0.0010000000000000    0.0851999999999999    0.9708999999999997 # F9
  0.8169999999999998    0.1140999999999999    0.6817999999999994 # F10
  0.6849999999999997    0.1111999999999998    0.3208999999999996 # F11
  0.5010000000000004    0.5851999999999997    0.4708999999999997 # F12
  0.3170000000000002    0.6141000000000002    0.1818000000000001 # F13
  0.1850000000000002    0.6112000000000002    0.8208999999999996 # F14
  0.0000000000000000    0.7500000000000000    0.1136999999999999 # F15
  0.9990000000000000    0.5851999999999997    0.5290999999999995 # F16
  0.1830000000000001    0.6141000000000002    0.8181999999999999 # F17
  0.3150000000000002    0.6112000000000002    0.1791000000000003 # F18
  0.5000000000000003    0.2500000000000002    0.6136999999999999 # F19
  0.4989999999999996    0.0851999999999999    0.0291000000000003 # F20
  0.6829999999999997    0.1140999999999999    0.3181999999999999 # F21
  0.8149999999999998    0.1111999999999998    0.6790999999999996 # F22
  0.5010000000000004    0.4147999999999999    0.0291000000000003 # F23
  0.3170000000000002    0.3858999999999999    0.3181999999999999 # F24
  0.1850000000000002    0.3888000000000000    0.6790999999999996 # F25
  0.0010000000000000    0.9148000000000003    0.5290999999999995 # F26
  0.8169999999999998    0.8858999999999998    0.8181999999999999 # F27
  0.6850000000000005    0.8888000000000004    0.1791000000000003 # F28