16

 C         0.825062108834     -0.981404597976      0.000000211714
 S         0.889160084004     -0.232976640369      1.523507214650
 S         0.889160841874     -0.232978827206     -1.523507830482
 C        -0.698033243748      0.621517808306      1.844014693646
 C        -0.698032401490      0.621514995632     -1.844017410675
 O         0.912126719011     -1.315784191162     -2.537079903792
 O         1.885730015277      0.850481831783     -1.605937703764
 O         0.912125296783     -1.315780560556      2.537080846348
 O         1.885729326008      0.850484030469      1.605936092032
 H         0.410912916996     -1.977513223675      0.000000825216
 H        -0.652306487680      1.018510125140     -2.858924689607
 H        -1.505249038257     -0.103551657217     -1.746623237450
 H        -0.809024354893      1.433477640494     -1.126664735951
 H        -0.809024715444      1.433479435532      1.126660792450
 H        -1.505249901924     -0.103548900997      1.746621118676
 H        -0.652307845352      1.018514391801      2.858921426987