Si
 1.0000000000000000
     0.0000000000000000    2.7704468585717392    2.7704468585717392
     2.7704468585717392    0.0000000000000000    2.7704468585717392
     2.7704468585717392    2.7704468585717392    0.0000000000000000
 Si 
   2
Direct
  0.0000000000000000  0.0000000000000000 -0.0000000000000000
  0.2500000000000000  0.2500000000000000  0.2500000000000000
