<div dir="ltr"><div>There is no error in your data, but "reading input from standard data" suggests that you are doing something like "pw.x < input_file". Try "pw.x -in input_file" instead. <br><br></div>Paolo<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Aug 30, 2018 at 7:48 PM, Asad Mahmood <span dir="ltr"><<a href="mailto:amahmood@phys.qau.edu.pk" target="_blank">amahmood@phys.qau.edu.pk</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"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Hi there,</div><div><br></div><div>I am trying to perform a 'relax' calculation for a supercell containing 16 atoms. I checked it carefully. The error appears in output file :</div><br><div> Program PWSCF v.5.2.0 starts on 30Aug2018 at 22:15:48<br><br>     This program is part of the open-source Quantum ESPRESSO suite<br>     for quantum simulation of materials; please cite<br>         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);<br>          URL <a href="http://www.quantum-espresso.org" target="_blank">http://www.quantum-espresso.<wbr>org</a>",<br>     in publications or presentations arising from this work. More details at<br>     <a href="http://www.quantum-espresso.org/quote" target="_blank">http://www.quantum-espresso.<wbr>org/quote</a><br><br>     Parallel version (MPI), running on    16 processors<br>     R & G space division:  proc/nbgrp/npool/nimage =      16<br>     Waiting for input...<br>     Reading input from standard input<br>Warning: card &CELL ignored<br>Warning: card / ignored<br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br><br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%<br>     Error in routine card_atomic_positions (1):<br>     Error while parsing atomic position card.<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<wbr>%%%%%%%%%%%%%%%%%%%<br><br>     stopping ...<br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br><br>[eval_infix.c] A parsing error occurred<br>helper string:<br>             0.<br>error code:<br>Error: invalid token:<br></div><div><br></div><div><br></div><div>I am attaching the input file. Please help me pointing out the error.<br></div></div></div></div></div></div>
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