# type topo
# cell     2.309400     2.309400     2.309400    90.000000    90.000000    90.000000
16
  1 o      0.000000    0.000000    0.000000   0                             13/9       5/4      7/12      8/10      15/1      16/3 
  2 o      1.154700    0.000000    1.154700   0                             6/10      7/13     14/13     15/10      8/10     16/13 
  3 o      0.000000    1.154700    1.154700   0                            14/13      16/4       5/4       6/4      8/13     13/13 
  4 o      1.154700    1.154700    0.000000   0                             6/12     13/12      5/13     14/13     15/13      7/12 
  5 o      1.732050    0.577350    0.577350   0                             1/22      3/22      4/13      9/13     11/13     12/22 
  6 o      1.732050    1.732050    1.732050   0                             2/16      3/22      4/14     10/23     11/17     12/25 
  7 o      0.577350    0.577350    1.732050   0                             1/14      2/13      4/14      9/13     10/14     12/13 
  8 o      0.577350    1.732050    0.577350   0                             1/16      2/16      3/13      9/13     10/13     11/16 
  9 o      1.154700    1.154700    1.154700   0                             5/13      7/13      8/13     13/13     16/13     15/13 
 10 o      0.000000    1.154700    0.000000   0                              6/3      7/12      8/13     14/13      15/4      16/3 
 11 o      1.154700    0.000000    0.000000   0                             5/13       6/9      8/10     16/12      13/9     14/13 
 12 o      0.000000    0.000000    1.154700   0                              5/4       6/1      7/13     14/13     13/10      15/1 
 13 o      0.577350    1.732050    1.732050   0                             1/17      3/13      4/14      9/13     11/17     12/16 
 14 o      0.577350    0.577350    0.577350   0                             2/13      3/13      4/13     10/13     11/13     12/13 
 15 o      1.732050    1.732050    0.577350   0                             1/25      2/16      4/13      9/13     10/22     12/25 
 16 o      1.732050    0.577350    1.732050   0                             1/23      2/13      3/22      9/13     10/23     11/14