# type topo
# cell     2.626800     3.813200     1.606100    90.000000    90.000000    90.000000
8
  1 s      0.000000    0.499911    0.000000   0                             2/10       5/4      8/13      8/12 
  2 s      0.000000    3.313289    0.000000   0                             1/16      6/13       7/3       7/4 
  3 s      1.313400    2.406511    0.803050   0                             4/13      6/14      6/13      7/13 
  4 s      1.313400    1.406689    0.803050   0                             3/13      5/13      5/14      8/13 
  5 n      1.804086    1.068459    0.000000   1                             1/22      4/13      4/12 
  6 n      0.822714    2.744741    0.000000   1                             2/13      3/12      3/13 
  7 n      2.136114    2.975059    0.803050   1                             2/23      2/22      3/13 
  8 n      0.490686    0.838141    0.803050   1                             1/13      1/14      4/13