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<p class="p1"><font face="arial, sans-serif" size="2">Does anyone know the effect of </font><span style="font-family: arial, sans-serif; font-size: small;"> section </span><span style="font-family: arial, sans-serif; font-size: small;">&XC_GRID for a CP2K input file, is this section necessary for running GEO-OPT? The XC functional I choose is PBE.</span></p><p class="p1"><font face="arial, sans-serif" size="2">   &XC_GRID</font></p>
<p class="p1"><font face="arial, sans-serif" size="2">         XC_SMOOTH_RHO NN10</font></p>
<p class="p1"><font face="arial, sans-serif" size="2">         XC_DERIV SPLINE2_SMOOTH</font></p>
<p class="p1"><font face="arial, sans-serif" size="2">      &END XC_GRID</font></p></div>