Dear all, I am running a structural optimization with QE 6.0. The structure is orthorhombic, ibrav=8, with 8 symmetry elements. The first run did not converge so I have to restart it. But as I restart it, the number of symmetry is now 4, there is a descent of symmetry. I shall say that I use the space_group option with COORDINATES crystal_sg. But the problem remains if I put all the coordinates (unsurprisingly).
Is there a reason for this, and can I avoid this? Thank you Best regards Pascal - Pascal Boulet - MCF HDR, Resp. L2 MPCI - DEPARTEMENT CHIMIE Aix-Marseille Université - ST JEROME - Avenue Escadrille Normandie Niemen - 13013 Marseille Tél: +33(0)4 13 55 18 10 - Fax : +33(0)4 13 55 18 50 Site : http://madirel.univ-amu.fr/pages_web_BOULET_PASCAL/annuaire - Email : [email protected]
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