Origin choice 2 with -1 at 0 0 0 is the default option in FULLPROF for
Fd3m. So, no need to do anything in your case.
Armel Le Bail  -   Laboratoire des Fluorures,  CNRS-URA-449,
    Universite du Maine,  72017 Le Mans Cedex, FRANCE -
     armel@ONE.univ-lemans.fr  or  lebail@cnrs-imn.fr
   ftp://aviion.univ-lemans.fr/pub/fluorlab/aritve.html