On Nov 28, 2011, at 19:28 , Éric Germaneau wrote: > it seems to ma that when you set ibrav you have to set celldm > variables as well. not necessarily so P. --- Paolo Giannozzi, Dept of Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222