Si
 1.0000000000000000
     0.0000000000000000    2.7618075858614768    2.7618075858614768
     2.7618075858614768    0.0000000000000000    2.7618075858614768
     2.7618075858614768    2.7618075858614768    0.0000000000000000
 Si 
   2
Direct
  0.0000000000000000  0.0000000000000000 -0.0000000000000000
  0.2500000000000000  0.2500000000000000  0.2500000000000001
