O Si 
 1.0000000000000000
     6.8467999999999991   -0.0000000000000004    0.0000000000000003
    -1.9459273698502990    4.8459978416490985   -0.0000000000000001
    -2.9044784023274999   -2.0431838736753001    5.8616121015268980
 O   Si 
  12   6
Cartesian
  0.5352520627648406  0.7604520224865245  5.0145991294995671
  3.0226923233316887 -1.3747498435498013  4.4374971580820297
 -2.0108637208253146  1.2694996211054033  5.4700506687650412
  2.6433148966250029 -0.0990703782205257  2.0772400894872169
  0.6574476212261136  1.6769637343100312  2.1417563333955187
 -1.2700585139662421  2.9094756045651389  3.6706276050579141
  4.4986895054592217  1.4786908133325767  1.1633226769330578
 -1.5379622390540346  4.0358872171050715  0.9449844256212183
 -1.5027327563577111  0.1588558873910856  3.3354301447096786
 -1.0300254526687163 -1.1773791586542939  5.6001055975805167
  3.1453839553940686  1.9435605889332552  3.6696124910741710
  2.8694913800103228  3.6352725333175391  1.3793030947770575
  1.3491371143267319  0.4599174199001020  1.2945427770020745
 -2.5494200586252029  2.4606967744051471  4.5840229238221895
  0.2816854911320295  2.6959391003886672  3.3350899367433060
 -0.9843625128199759  0.2513115250224628  4.8528113084822984
  4.2705406129625487  0.1398629687464895  2.0894920311018281
  4.1345386832095326  2.9799898511391003  0.6308837278520714