# type topo
# cell     2.500000     2.500000     1.291000    90.000000    90.000000   120.000000
6
  1 o     -0.000125    1.443448    0.000000   0                             4/13      4/12      5/13      5/12      6/16      6/15 
  2 o      1.250125    0.721616    0.000000   0                             4/21      4/22      5/13      5/12      6/13      6/12 
  3 n      0.000000    0.000000    0.645500   1                             4/10      5/13       6/4 
  4 p     -0.750000    1.299038    0.645500   2                             1/13      1/14       2/5       2/4      3/16 
  5 p      0.500000    0.866025    0.645500   2                             1/13      1/14      2/13      2/14      3/13 
  6 p      1.500000    0.000000    0.645500   2                             1/10      1/11      2/13      2/14      3/22