Si2s.mol
  -ISIS-            3D

  2  1  0  0  0  0  0  0  0  0  0
   -1.1715    0.0000    0.0000 Si  0  0  0  0  0
    1.1715    0.0000    0.0000 Si  0  0  0  0  0
  1  2  2  0  0  0
M  END