 O Na Nb
   1.0
     2.9636280199999998    0.0000000000000000    0.0000000000000000
    -1.4818140099999999    2.5665771600000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000   11.5442077500000000
 O Na Nb
   4   2   2
Direct
   0.3333333300000000  0.6666666700000000  0.6367196800000000
   0.6666666700000000  0.3333333300000000  0.1367196800000000
   0.3333333300000000  0.6666666700000000  0.8632803200000000
   0.6666666700000000  0.3333333300000000  0.3632803200000000
   0.0000000000000000  0.0000000000000000  0.0000000000000000
   0.0000000000000000  0.0000000000000000  0.5000000000000000
   0.3333333300000000  0.6666666700000000  0.2500000000000000
   0.6666666700000000  0.3333333300000000  0.7500000000000000