9

 S         0.771554776072     -0.181532358484      1.483580609031
 S         0.821224360856      0.181894921331     -1.527346136206
 O         2.163075321163     -0.344307938177     -1.554051788394
 O         0.514367646250      1.555942106121     -1.845082960096
 O        -0.342552384963     -0.480832115694      2.343913986652
 O         1.997481708332     -0.935509923566      1.460760801372
 H        -0.027149788418     -0.644463950735     -2.196930077973
 H         1.064176948514      1.146005007150      1.566250273617
 O         0.085991342195     -0.161605057945     -0.051424078003