12 Molecule-1 0.000000 O -2.4062 2.4649 -0.5913 Si -2.4079 0.7527 -0.1848 O -2.4023 -0.2461 -1.6335 O -1.0627 0.3023 0.8550 O -3.7614 0.3024 0.8443 Si -4.0043 -1.1682 1.7781 O -2.4188 -1.3299 2.5224 O -4.2946 -2.5225 0.6928 O -5.2961 -1.0128 2.9629 Si -0.8274 -1.1683 1.7907 O -0.5286 -2.5227 0.7078 O 0.4550 -1.0130 2.9858