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<p class="MsoNormal"><span lang="EN-US">Dear QE users,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am new to Quantum Espresso and would like to practice calculating DOS of Si crystal. The scf and nscf calculation have been successfully carried out. However, the calculation of DOS was failed. My version of QE is
6.5 and my input file for DOS calculation is as the followed:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">&DOS<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> prefix='si',<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> outdir='./outdir/',<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> </span><span lang="DE">fildos='si.dos',<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"> Emin=-1.0,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"> Emax=1.0,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"> </span><span lang="EN-US">DeltaE=0.05,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">/<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In addition, the following is the error message appeared in the output file:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> Error in routine dos (1):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> reading dos namelist<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> stopping ...<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I would like to ask how can I fix the problem and any suggestions are welcome.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Mong-Wen Gu<o:p></o:p></span></p>
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