Na1 Cl1
1.0
   0.0000000000000005    2.8137259999987272    2.8137259999987272
   2.8137259999987272    0.0000000000000000    2.8137259999987272
   2.8137259999987276    2.8137259999987272    0.0000000000000003
Na Cl
1 1
direct
   0.5000000000000000    0.4999999999999999    0.5000000000000001 Na
   0.0000000000000000    0.0000000000000000    0.0000000000000000 Cl
