<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><h3 class=""><font style="font-weight: normal;" size="3">Hi, </font><br></h3>I am sorry, but probably, you read the forum not so carefully.&nbsp; Quite recently there was a query:<br><br>&nbsp;<font size="3"><a style="max-width: 532px; font-weight: normal;" href="launch#" title="Click to search for messages with same subject" data-action="search" class="subanchor">Re: [Pw_forum] ph.x cannot reach convergence within 100 steps</a></font> <span class="btn left right small" data-action="msg-attachments"></span><div><br>and followed replies on my side. Please find this thread in the forum archive.<br><br>Besides, the message you got just means that there is no niter_ph keyword in &amp;inputph namelist.<br><br>Bests,<br>Eyvaz.<br>&nbsp;<br><br></div><div>-------------------------------------------------------------------<br>Prof. Eyvaz
 Isaev, <br>Department of Physics, Chemistry, and Biology (IFM), Linkoping University, Sweden <br>Theoretical Physics Department, Moscow State Institute of Steel &amp; Alloys, Russia, <br>isaev@ifm.liu.se, eyvaz_isaev@yahoo.com<br></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font face="Arial" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Seyed Mojtaba Rezaei Sani &lt;s.m.rezaeisani@gmail.com&gt;<br><b><span style="font-weight: bold;">To:</span></b> PWSCF Forum &lt;pw_forum@pwscf.org&gt;<br><b><span style="font-weight: bold;">Sent:</span></b> Friday, July 22, 2011 11:54 AM<br><b><span style="font-weight: bold;">Subject:</span></b> [Pw_forum] Wrong niter_ph (error in ph.x run)<br></font><br><div id="yiv1901087120">Dear all<br>I tried to calculate phonon frequencies for a system that need more iteration
 number than its default, so I add niter_ph into the namelist. But, I got this error:<br>&nbsp;<br>#<a rel="nofollow" target="_blank" href="http://ph.in">ph.in</a> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>
&nbsp;&nbsp;&nbsp;&nbsp; task #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0<br>&nbsp;&nbsp;&nbsp;&nbsp; from phq_readin : error #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Wrong niter_ph <br>&nbsp;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br><br>This is my input file:<br><br>&nbsp;&amp;inputph<br>&nbsp; amass(1)=*,<br>
&nbsp; amass(2)=*,<br>&nbsp; amass(3)=*,<br>&nbsp; tr2_ph=1.0d-14,<br>&nbsp; prefix='*',<br>&nbsp; niter_ph = 300,<br>&nbsp; ldisp=.true.,<br>&nbsp; nq1=4 , nq2=4 , nq3=4<br>&nbsp; outdir='*',<br>&nbsp; fildyn='*.dyn',<br>&nbsp;/<br><br>Thanks<br clear="all">
-- <br><span style="color: rgb(102, 102, 102);"><span></span><span></span><a rel="nofollow"></a>==========================================</span><br style="color: rgb(102, 102, 102);"><div><font color="#888888">
<span style="color: rgb(102, 102, 102);">Seyed Mojtaba Rezaei Sani</span><br style="color: rgb(102, 102, 102);"><span style="color: rgb(102, 102, 102);">Computational Condensed Matter Research Lab</span><br style="color: rgb(102, 102, 102);">
<span style="color: rgb(102, 102, 102);">Physics
 Department, Isfahan University of Technology</span><br style="color: rgb(102, 102, 102);"><span style="color: rgb(102, 102, 102);">84156-83111 Isfahan, 
Iran</span><br style="color: rgb(102, 102, 102);"><span style="color: rgb(102, 102, 102);">Tel lab: +98 311 391 3731&nbsp; <br>Group page: <a rel="nofollow" target="_blank" href="http://cmsgroup.iut.ac.ir/">http://cmsgroup.iut.ac.ir/</a><br>
<a rel="nofollow" ymailto="mailto:s.rezaeisani@ph.iut.ac.ir" target="_blank" href="mailto:s.rezaeisani@ph.iut.ac.ir">s.rezaeisani@ph.iut.ac.ir</a><br style="color: rgb(102, 102, 102);"></span><span style="background-color: rgb(255, 255, 255); color: rgb(102, 102, 102);">===========================================</span><br>
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