<div dir="ltr">Hi,<div><br></div><div>you need to apply smoothing to the XC derivative part of the calculation. For instance</div><div><br></div><div><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"> &XC_GRID
XC_DERIV NN50_SMOOTH
&END</pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><br></pre><pre id="hterm:copy-to-clipboard-source" style="user-select: text;"><font color="#000000">https://manual.cp2k.org/cp2k-5_1-branch/CP2K_INPUT/FORCE_EVAL/DFT/XC/XC_GRID.html#XC_SMOOTH_RHO<br></font></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><br></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><font size="2" face="arial, sans-serif">I think this is just a legacy requirement. </font></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><font size="2" face="arial, sans-serif"><br></font></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><font size="2" face="arial, sans-serif">Note that this will effectively slightly change you XC functional, so do not compare total energies with calculations with different smoothing parameters. </font></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><font size="2" face="arial, sans-serif"><br></font></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><font size="2" face="arial, sans-serif">See the original QS paper for more details.</font></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><font size="2" face="arial, sans-serif"><br></font></pre><pre id="hterm:copy-to-clipboard-source" style="color: rgb(0, 0, 0); user-select: text;"><font size="2" face="arial, sans-serif">Matt</font></pre></div><div><br></div><div><br><br>On Friday, April 20, 2018 at 7:50:59 AM UTC+1, mottarello wrote:<blockquote class="gmail_quote" style="margin: 0;margin-left: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;"><div dir="ltr">Dear CP2K community,<div> I have just tried to run a linear response calculation requiring the DO_RAMAN keyword. The problem is that the calculation with the PBE or the BLYP xc functional did not work and the following message appears in the standard output:</div><div>"UNIMPLEMENTED, XC_DERIV method not implemented for GPW!"</div><div>When I have tried to run the calculation with the PADE functional, it worked well. I used both the cp2k 2.5 and the cp2k 5.0 version and in both cases I received the same error message. I attach my input file and my coordinate file. I have looked in the forum for a solution but without any success. </div><div>thanks in advance</div><div>Alessandro</div><div><br></div></div></blockquote></div></div>