<div dir="ltr">Dear researchers<div><br></div><div>I have recently started using the GW method calculation using Quantum Espresso. I have been using version 5.2 for my calculations.</div><div><br></div><div>I tried to run the example for Methane quasiparticle and got the following error:</div><div><div> Error in routine pw4gww (1):</div><div> reading inputpw4gww namelist</div><div><br></div><div>My input file for pw4gww is given below:</div><div><div>&inputpw4gww</div><div><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>prefix='Methane'</div><div><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>outdir = 'E:\Quantum ESPRESSO 64-bit 5.2.0-mpich2\Methane\outdir',<span class="gmail-Apple-tab-span" style="white-space:pre"> </span></div><div><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>num_nbndv(1)=4</div><div><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>num_nbnds=5</div><div><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>l_truncated_coulomb=.true.</div><div><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>truncation_radius=7.5d0</div><div><span class="gmail-Apple-tab-span" style="white-space:pre"> </span>numw_prod=50</div><div>/</div></div><div><br></div><div>As can be seen there should be no misspelled variables in the file. I took the input description from a tutorial posted on the GWL website. </div><div><br></div><div>Can anyone help me in this regard?</div><div>Also, it would be really helpful if someone can help me out with an example of the method.</div><div><br></div><div>Thanks</div><div>Kanak</div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">_______________________________________<div>Kanak Datta</div><div>Graduate Student</div><div>Electrical Engineering and Computer Science</div><div>University of Michigan, Ann Arbor</div></div></div></div></div>
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