# type topo
# cell     4.286800     4.286800     1.350700    90.000000    90.000000   120.000000
8
  1 n     -0.638519    2.106089    0.000000   0                              4/4      7/13      7/12 
  2 n      0.638733    2.106460    0.000000   0                             5/13      7/13      7/12 
  3 n     -0.000214    3.212407    0.000000   0                             6/16      7/13      7/12 
  4 n      2.781919    1.606389    0.000000   0                             1/22      8/13      8/12 
  5 n      1.504667    1.606018    0.000000   0                             2/13      8/13      8/12 
  6 n      2.143614    0.500071    0.000000   0                             3/10      8/12      8/13 
  7 o     -0.000214    2.475109    0.675350   1                             1/13      1/14      2/13      2/14      3/13      3/14 
  8 o      2.143614    1.237369    0.675350   1                             4/13      4/14      5/13      5/14      6/14      6/13