Searchable archives of this mailing lists are now available on www.mail-archive.com. Use the following syntax to locate the pw_forum list: www.mail-archive.com/pw_forum at pwscf.org/ Paolo -- Paolo Giannozzi, Dept. Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222