Si
 1.0000000000000000
     0.0000000000000000    2.7729730941513764    2.7729730941513764
     2.7729730941513764    0.0000000000000000    2.7729730941513764
     2.7729730941513764    2.7729730941513764    0.0000000000000000
 Si 
   2
Direct
  0.9882593957814629  0.0030886778593238  0.0025406206665399
  0.2559384749684662  0.2375302099720562  0.2523585385106196
