Na1 Cl1
1.0
   0.0000000000000005    2.8763779078147018    2.8763779078147018
   2.8763779078147018    0.0000000000000000    2.8763779078147018
   2.8763779078147023    2.8763779078147018    0.0000000000000004
Na Cl
1 1
direct
   0.4999999999999999    0.5000000000000000    0.4999999999999999 Na
   0.0000000000000000    0.0000000000000000    0.0000000000000000 Cl
