# type topo
# cell     2.787700     2.787700     1.154900    90.000000    90.000000    90.000000
8
  1 o      0.408119    1.801969    0.000000   0                              5/3       5/4      6/13      6/12      8/12      8/13 
  2 o      2.379581    0.985731    0.000000   0                             5/13      5/12      6/22      6/21      7/13      7/12 
  3 o      0.985731    0.408119    0.000000   0                             6/12      6/13      7/13      7/12      8/10       8/9 
  4 o      1.801969    2.379581    0.000000   0                             5/13      5/12      7/16      7/15      8/13      8/12 
  5 o      2.379581    1.801969    0.577450   0                             1/23      1/22      2/13      2/14      4/13      4/14 
  6 o      0.408119    0.985731    0.577450   0                             1/13      1/14       2/4       2/5      3/14      3/13 
  7 o      1.801969    0.408119    0.577450   0                             2/13      2/14      3/13      3/14      4/10      4/11 
  8 o      0.985731    2.379581    0.577450   0                             1/14      1/13      3/16      3/17      4/13      4/14