On Sep 10, 2012, at 21:57 , Jennifer Wohlwend wrote: > Thank you so much for your suggestion, removing the /dev/null > statements produced another error WHICH ERROR ?!? --- Paolo Giannozzi, Dept of Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222