15

 S         0.883007637808     -0.122281885630      1.535720096365
 S         0.882270701882      0.186456441185     -1.529072372598
 C        -0.866221825249      0.043543020174      1.905493951349
 C        -0.867160062700      0.422260548403     -1.857790084572
 O         1.406175635036     -0.800684872535     -2.444178874572
 O         1.519215724409      1.466166731354     -1.318038546980
 O         1.407085907697     -1.272159004311      2.235338370072
 O         1.520071161691      1.173756012299      1.583906063339
 H        -0.935040025266      0.853967607348     -2.855810251674
 H        -1.352479782284     -0.550490845218     -1.821966187077
 H        -1.270356931413      1.111066284677     -1.118689627565
 H        -1.351768372807     -0.902545701039      1.676980597424
 H        -1.269428809302      0.865718522804      1.318348537138
 H        -0.933671386827      0.268046058508      2.969482571829
 O         0.769246847326     -0.657497158018     -0.066117632476