Si
   1
    0 2.8107498626 2.8107498626
    2.8107498626 0 2.8107498626
    2.8107498626 2.8107498626 0
Si
   2
Direct
  0.8750000000000000  0.8750000000000000  0.8750000000000000
  0.1250000000000000  0.1250000000000000  0.1250000000000000