WIEN2k community, The Hubbard U is related in the Usersguide as LDA+U, does it mean that it should be used with LDA and not with GGA? I have always used the Hubbard U with GGA (PBE) Pablo -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://zeus.theochem.tuwien.ac.at/pipermail/wien/attachments/20230331/27473341/attachment.htm>