16

 Si           0.665476    0.000079    0.019885
 N           -0.882363   -0.002617   -0.868406
 N           -1.994084   -0.001044   -0.355051
 N           -3.069727    0.000170    0.032476
 C            0.760676    1.554025    1.083292
 H            0.684334    2.459894    0.471506
 H            1.712444    1.596494    1.627559
 H           -0.044855    1.583266    1.826713
 C            0.760451   -1.547480    1.092654
 H            0.685899   -2.456923    0.485972
 H           -0.046276   -1.573069    1.834901
 H            1.711355   -1.585959    1.638729
 C            1.962435   -0.004119   -1.336455
 H            1.865811   -0.892684   -1.970078
 H            2.974636    0.000308   -0.914606
 H            1.861831    0.877452   -1.979166

