<div dir="ltr">Dear Shuyang,<div><br></div><div>As the error message says you cannot do a non-scf calculation with hybrid functionals (namely, you cannot set calculation='bands' or 'nscf').</div><div>As an alternative way to compute the bands with PBE0, you can perform a PBE0 scf calculation with nbnd equal to the number of bands you want to compute</div><div>and by choosing the densest k-point grid you can afford. Then, you can extract with a script the bandstructure from the scf calculations by selecting</div><div>high symmetry k-points and the other k-points that lie in between two high symmetry points.</div><div>Of course at first you have to make sure that the k-point grid you chose contains enough k-points to obtain a reasonably smooth bandstructure.</div><div>Best,</div><div><br></div><div>Dario</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, May 6, 2018 at 3:43 PM, Shuyang Yang <span dir="ltr"><<a href="mailto:shuyang1@andrew.cmu.edu" target="_blank">shuyang1@andrew.cmu.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi, All,<br>
<br>
After I run the scf calculation with PBE0, I want to use calculation=‘bands’ with PBE0, but this message occurs:<br>
<br>
Error in routine setup (1):<br>
hybrid XC not allowed in non-scf calculations<br>
<br>
Does any one know how to fix it ? Or how can I calculate the hybrid function band structure in the right way.<br>
My qe version is 6.1<br>
<br>
Best,<br>
Shuyang,<br>
Carnegie Mellon University<br>
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