 Na Nb O
   1.0
     3.8075876300000000    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.8296656999999996    0.0000000000000000
     0.0000000000000000    0.0000000000000000   10.3474751200000004
 Na Nb O
   2   6  16
Direct
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   0.0000000000000000  0.5000000000000000  0.0681728100000000
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