15

 S         0.727859572215     -0.117739845384      1.422000257876
 S         0.501819502175      0.220042483919     -1.704658659814
 C         2.618288029242      0.009195833759      1.168573319451
 C         0.427315020990     -1.598621556959     -2.230452995225
 F         0.817564231247     -1.665514308052     -3.497514118781
 F         3.141043800382     -0.212011686978      2.369688429224
 O         1.874072073820      0.658092297724     -1.763434540044
 O        -0.587867602471      0.912917510097     -2.334903951303
 O         0.308355496910      1.073062531072      2.111501028428
 O         0.443418158554     -1.456812096529      1.867752695534
 F         2.941970096321      1.215780316299      0.750721143101
 F        -0.810779080984     -2.045066357061     -2.109454204857
 F         3.029302910776     -0.918528356921      0.321768613837
 F         1.246280771910     -2.308183637197     -1.465170745480
 O         0.041618178912     -0.014320847789     -0.129607251948