<div dir="ltr">It works for me (with a different pseudopotential but it doesn't matter: the error you report cannot be related to the pseudopotential used), at least in the latest development version<div><br></div><div>Paolo<br><div><br></div><div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Nov 5, 2021 at 11:23 PM Ashis Kundu <<a href="mailto:ashiskundu174@gmail.com">ashiskundu174@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Dear all,<div><br>I have calculated the phonon dispersion of Al with fcc symmetry, and there is no issue. Now I have been trying to calculate the phonon dispersion of Al with Orthorhombic symmetry using ibrav=10. I am getting the below error when running q2r.x<br> -------------------------------<br> Error in routine init (1):<br> q not allowed<br>-------------------------------<br>I have also tried some suggested solutions but still getting the error "q not allowed." The link is given below<br><a href="https://gitlab.com/QEF/q-e/-/issues/153" target="_blank">https://gitlab.com/QEF/q-e/-/issues/153</a><br><br>Note: I have noticed that the celldm(2) is written infinite in the output file from phonon calculations, but the ph.x runs successfully. <br><br><b><a href="http://scf.in" target="_blank">scf.in</a>:<br></b>&control<br>calculation = 'scf'<br>prefix = 'Al'<br>pseudo_dir = '../pp'<br>outdir = './'<br>wf_collect = .true.<br>/<br>&system<br>ibrav = 10<br>celldm(1) = 7.4861<br>celldm(2) = 1.00000000<br>celldm(3) = 1.00000000<br>nat = 1<br>ntyp = 1<br>ecutwfc = 60<br>occupations = 'smearing'<br>smearing = 'mp'<br>degauss = 0.02<br>/<br>&electrons<br>diagonalization = 'david'<br>mixing_beta = 0.7<br>conv_thr = 1.0d-10<br>/<br>ATOMIC_SPECIES<br>Al 26.982 Al.pw-mt_fhi.UPF<br>ATOMIC_POSITIONS {crystal}<br>Al 0.00 0.00 0.00<br>K_POINTS {automatic}<br>15 15 15 0 0 0<br><br><b><a href="http://ph.in" target="_blank">ph.in</a>:<br></b><br>phonon<br>&inputph<br> prefix = 'Al'<br> fildyn = 'Al.dyn'<br> fildvscf = 'dvscf' <br> ldisp = .true.<br> epsil = .false.<br> nq1 = 2<br> nq2 = 2<br> nq3 = 2<br> tr2_ph = 1.0d-14<br> /<br><b><a href="http://q2r.in" target="_blank">q2r.in</a>:<br></b> &input<br> fildyn = 'Al.dyn'<br> zasr = 'simple' <br> flfrc = 'Al.fc'<br> /<br><br>Please let me know if I am doing anything wrong or if there is any solution for "q not allowed" when running q2r.x<br><br>Best regards,<br>Ashis<br><br><br><br><br><div><br></div><font style="vertical-align:inherit"><font style="vertical-align:inherit">-- </font></font><br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><span><span>_____________________________________</span></span><br><div dir="ltr"><span><font style="vertical-align:inherit"><font style="vertical-align:inherit">Institute for Advanced Study</font></font><br></span></div><div dir="ltr"><span><font style="vertical-align:inherit"><font style="vertical-align:inherit">Shenzhen University</font></font><br></span></div><div dir="ltr"><span><font style="vertical-align:inherit"><font style="vertical-align:inherit">Shenzhen,Guangdong,China</font></font></span><br><font style="vertical-align:inherit"><font style="vertical-align:inherit"> Ph.: 13143400965</font></font><br><font style="vertical-align:inherit"><font style="vertical-align:inherit"> E-mail: </font></font><a href="mailto:ashiskundu174@gmail.com" target="_blank"><font style="vertical-align:inherit"><font style="vertical-align:inherit">ashiskundu174@gmail.com</font></font></a></div><div> <span><span><a href="mailto:k.ashis@szu.edu.cn" target="_blank"><font style="vertical-align:inherit"><font style="vertical-align:inherit">k.ashis@szu.edu.cn</font></font></a></span></span> <br></div><div dir="ltr">______________________________________</div></div></div></div></div></div></div></div></div></div>
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