Hello sir Please have my file 'slab.xyz' positions out of ase. And I would like to convert it into a file or format 'POSCAR' usable by VASP. How to do it please. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://listserv.fysik.dtu.dk/pipermail/ase-users/attachments/20170309/82b37f96/attachment.html>