On Aug 17, 2012, at 12:25 , Paolo Giannozzi wrote: > You may try to set nice_output_file=.false. oops, it is nice_output_files='true' --- Paolo Giannozzi, Dept of Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222