  Motivated by recent experimental studies on single molecular magnets grafted
on graphene and single walled carbon nanotubes, we investigate the structural,
electronic, and magnetic properties of an iron based magnetic molecule grafted
on a graphene sheet using \textit{ab initio} calculations.
  In particular, the induced charge transfer and magnetization are described in
terms of the coupling between the molecule and the graphene orbitals.
  This interaction and its effects on graphene electronic properties are
determined and discussed in view of the potential utilization of graphene in
spintronics.
