9

 F        -1.993496868639     -0.799659298755     -0.172126502309
 S        -1.118960504339     -0.147347137843      0.997210317196
 S         1.118949820465      0.327390142355     -0.839004842877
 F         2.032806086496     -0.918683590919     -1.229199625421
 O        -1.312687689397      1.268067097103      0.936043425190
 O         1.959835847280      1.316034243029     -0.245926119459
 O        -1.267387232933     -0.965159422172      2.154614309823
 O         0.195807860643      0.552501394191     -1.906237134635
 O         0.366799680425     -0.538586426989      0.388604172492