Hi there, I was wondering if you could tell me that the SYMMETRY section under &CELL does. I know there are options like cubic, tetragonal, none, etc. but I am not quite sure what the symmetry is about and how it changing them out (by changing vectors for example) affects the energy. -- You received this message because you are subscribed to the Google Groups "cp2k" group. To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>. To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/88fe5083-3939-44a7-9bcc-7d752bfc25a9n%40googlegroups.com?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/88fe5083-3939-44a7-9bcc-7d752bfc25a9n%40googlegroups.com</a>.