# type topo
# cell     2.732100     2.732100     2.000000    90.000000    90.000000   120.000000
8
  1 n      0.000000    0.999900    0.500000   0                             2/13      3/13      7/13 
  2 n      0.500111    1.866118    0.500000   0                             1/13      3/13      7/25 
  3 n     -0.500111    1.866118    0.500000   0                             1/13      2/13      7/16 
  4 n      1.366050    1.366168    1.500000   0                             5/13      6/13      8/25 
  5 n      0.865939    0.499950    1.500000   0                             4/13      6/13      8/13 
  6 n      1.866161    0.499950    1.500000   0                             4/13      5/13      8/22 
  7 p      0.000000    0.000000    0.500000   1                             1/13       2/1      3/10      8/13      8/12 
  8 p      0.000000    0.000000    1.500000   1                              4/1      5/13       6/4      7/13      7/14