# type topo
# cell     3.815500     1.606900     2.624000    90.000000    90.000000    90.000000
8
  1 n      2.976090    0.000000    0.000000   0                             6/12      7/13      7/10 
  2 n      0.839410    0.000000    0.000000   0                             5/12      8/13      8/10 
  3 n      1.068340    0.803450    1.312000   0                             5/13      5/16      8/13 
  4 n      2.747160    0.803450    1.312000   0                             6/13      6/16      7/13 
  5 s      1.407919    0.000000    1.801114   1                             2/14      3/13      3/10      6/13 
  6 s      2.407580    0.000000    1.801114   1                             1/14      4/13      4/10      5/13 
  7 s      3.315670    0.803450    0.489114   1                             1/13      1/16      4/13      8/22 
  8 s      0.499831    0.803450    0.489114   1                             2/13      2/16      3/13       7/4