<span>Dear CP2K users,</span>
<p><span>As
CP2K manual says it’s possible to use Van der Waals functionals in
the plane-wave calculations with SIRIUS.</span></p>
<p><span>I tried to run <span>Fm3m gold cell optimization using</span> pseudopotential <span><span>PW method</span></span>. VdW interactions were taken into account in
VDW_POTENTIAL subsection with NON_LOCAL type of dispersion functional. However, it seems there’s no difference between
calculations with and without dispersion correction. I suspect the
vdW functionals don’t work in my case.</span></p><p><span><span>My CP2K and SIRIUS are both linked with libvdwxc
library. </span></span></p>
<p><span>I
don’t know what I’m doing wrong. Is any ideas?</span></p>
<p><span>My
input and output files (with and without vdW correction) are attached
below.<br></span></p>
<p></p>
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