cycSiO2.mol
  -ISIS-            3D

  3  3  0  0  0  0  0  0  0  0  0
   -0.8013   -0.6885    0.0000 O   0  0  0  0  0
    0.8018   -0.6897    0.0000 O   0  0  0  0  0
   -0.0004    0.8060    0.0000 SI  0  0  0  0  0
  1  2  1  0  0  0
  1  3  1  0  0  0
  2  3  1  0  0  0