I would start checking convergence with respect to tr2_ph. HTH,
Andrea On Mon, 2014-08-25 at 07:25 +0200, Vincenzo Verdolino wrote: > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://pwscf.org/mailman/listinfo/pw_forum -- Andrea Dal Corso Tel. 0039-040-3787428 SISSA, Via Bonomea 265 Fax. 0039-040-3787249 I-34136 Trieste (Italy) e-mail: dalcorso at sissa.it
