On Jun 2, 2011, at 22:12 , Yongsheng Zhang wrote: > Further tests with v4.3 update to v.4.3.1. There is a (known) problem (already mentioned on this list) in vc-relax calculations with 4.3 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