<div dir="ltr">Hi,<div><br></div><div>The geometry optimizer between both programs are differents and could lead on diferents local stationary points due to differing algorithms to upload the geometry. Do you try to switting the CP2K optimizer geometry to VASP and vice versa, then you could compare energies for both geometries at the same program and check if both geometries are stationary points on both programs. Do you check your geometries are real local minimums, checking the hessian? I guess your symmetric geometry is a transition (pivot) state, VASP geometry, between two non symmetric geometries, and your non symmetric CP2K geometry is one of them.</div><div><br></div><div>Regards - Lucas Lodeiro</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">El jue, 3 mar 2022 a las 4:30, Jiapeng Liu (<<a href="mailto:suntan1991@gmail.com">suntan1991@gmail.com</a>>) escribió:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Dear CP2K users,<div><br></div><div>I am sorry to bother you. I am trying to optimize a slab model of inorganic electrolyte Li6PS5Cl and I found that CP2K is quite fast in optimizing the geometry. However, when I compared the optimized structure with that obtained from VASP, I found that they are significantly different. It looks that the optimized structure by CP2K has low symmetry while the one by VASP is higher. I am confused about the results and not sure if the CP2K input file is suitable. Can anyone help me have a check on this? Thanks for your help.</div><div><br></div><div><br></div>
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