<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">please post your input as well!</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Jan 31, 2014 at 1:40 PM, ehsan targholi <span dir="ltr"><<a href="mailto:targholi@gmail.com" target="_blank">targholi@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">hi <div>Quantum espresso users</div><div>i have been calculate nscf calculation for graphene with 8 atom. </div>
<div>i use this method for this calculation : relax -> scf -> nscf ->dos</div><div>and in scf calculation i use atomic position & cell_parameter from relax output.</div>
<div>but nscf calculation give this message: </div><div><br></div><div><div> Band Structure Calculation</div><div> Davidson diagonalization with overlap</div><div> c_bands: 1 eigenvalues not converged</div><div>
c_bands: 1 eigenvalues not converged</div><div> c_bands: 1 eigenvalues not converged</div><div> c_bands: 1 eigenvalues not converged</div><div> c_bands: 1 eigenvalues not converged</div><div> c_bands: 1 eigenvalues not converged</div>
<div> c_bands: 1 eigenvalues not converged</div><div> c_bands: 1 eigenvalues not converged</div><div> c_bands: 1 eigenvalues not converged</div></div><div><br></div><div>i am worry about eigenvalues not converged. is it important this message? or i could ignore ? </div>
<div>pleas guide me</div><div><br></div><div><br></div><div>best regard</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Ehsan Targholi</div><div>graduate student of chemistry department of iust</div></font></span></div>
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