# type topo
# cell     2.886000     2.886000     1.491000    90.000000    90.000000   120.000000
8
  1 n      1.443000    0.166457    0.372750   0                             7/10      8/12      8/13 
  2 n      2.020344    1.166446    0.372750   0                             7/22      8/13      8/12 
  3 n      0.865656    1.166446    0.372750   0                             7/13      8/12      8/13 
  4 n      0.000000    2.332893    1.118250   0                             8/16      7/14      7/13 
  5 n     -0.577344    1.332903    1.118250   0                              8/4      7/13      7/14 
  6 n      0.577344    1.332903    1.118250   0                             8/13      7/14      7/13 
  7 y     -0.000144    1.666316    0.372750   1                             1/16       2/4      3/13      4/12      4/13      5/13      5/12      6/12      6/13 
  8 y      1.443144    0.833033    1.118250   1                             1/14      1/13      2/13      2/14      3/14      3/13      4/10      5/22      6/13