# type topo
# cell     2.732000     2.732000     1.633000    90.000000    90.000000   120.000000
8
  1 n      1.366137    0.788582    0.408250   0                             3/13      4/13      5/13 
  2 n     -0.000137    1.577400    1.224750   0                             6/13      7/13      8/13 
  3 i      0.499956    0.288650    0.408250   1                             1/13       4/4       5/1      7/10       7/9      8/13      8/12 
  4 i      2.232044    0.288650    0.408250   1                             1/13      3/22      5/10      6/10       6/9      8/21      8/22 
  5 i      1.366000    1.788682    0.408250   1                             1/13      3/25      4/16      6/13      6/12      7/22      7/21 
  6 i      0.866044    2.077332    1.224750   1                             2/13      4/16      4/17      5/13      5/14      7/22      8/25 
  7 i     -0.866044    2.077332    1.224750   1                             2/13      3/16      3/17       5/4       5/5       6/4      8/16 
  8 i      0.000000    0.577299    1.224750   1                             2/13      3/13      3/14       4/5       4/4       6/1      7/10