On Feb 7, 2011, at 14:07 , WANG Wei wrote: > I find the bands.x can not work as the vdW-DF is activated. which version of the code are you referreing to? 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