Si
 1.0000000000000000
    -3.5274061576659301    3.5274061576659301    3.5274061576659301
     3.5274061576659301   -3.5274061576659301    3.5274061576659301
     3.5274061576659301    3.5274061576659301   -3.5274061576659301
 Si 
   6
Cartesian
  1.7637030788329651  0.0000000000000000  3.5274061576659310
  1.7637030788329648  3.5274061576659310  0.0000000000000007
  3.5274061576659297  1.7637030788329662 -0.0000000000000002
 -0.0000000000000003  1.7637030788329655  3.5274061576659319
 -0.0000000000000004  3.5274061576659301  1.7637030788329653
  3.5274061576659301 -0.0000000000000002  1.7637030788329662