<div dir="ltr"><div><a href="http://www.quantum-espresso.org/faq/frequent-errors-during-execution/#5.8">http://www.quantum-espresso.org/faq/frequent-errors-during-execution/#5.8</a><br><br></div>P.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 17, 2016 at 1:12 AM, Mofrad, Amir Mehdi (MU-Student) <span dir="ltr"><<a href="mailto:amzf5@mail.missouri.edu" target="_blank">amzf5@mail.missouri.edu</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 style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif">
<p>Dear all QE users and developers, <br>
</p>
<p>I want to do a "vc-relax" calculation, however I get the following error:<br>
</p>
<p><span style="color:rgb(255,0,0)"></span><span style="color:rgb(255,0,0)">task #         0</span><br>
<span style="color:rgb(255,0,0)">     from scale_h : error #         1</span><br>
<span style="color:rgb(255,0,0)">     Not enough space allocated for radial FFT: try restarting with a larger cell_factor.
</span><br>
</p>
<p><br>
</p>
<p>And here is also my input file:</p>
<p><span style="color:rgb(0,111,201)"> &CONTROL<br>
                 calculation = 'vc-relax' ,<br>
                restart_mode = 'from_scratch' ,<br>
                  wf_collect = .true. ,<br>
                      outdir = './scratch' ,<br>
                      wfcdir = './scratch' ,<br>
                  pseudo_dir = '/global/espresso/pseudo' ,<br>
                      prefix = 'SOD' ,<br>
                   verbosity = 'high' ,<br>
               etot_conv_thr = 1e-5 ,<br>
               forc_conv_thr = 1e-4 ,<br>
                       nstep = 50 ,<br>
                     tstress = .true. ,<br>
                     tprnfor = .true. ,<br>
 /<br>
 &SYSTEM<br>
                       ibrav = 0,<br>
                         nat = 36,<br>
                        ntyp = 2,<br>
                     ecutwfc = 15 ,<br>
                     ecutrho = 150 ,<br>
 /<br>
 &ELECTRONS<br>
            electron_maxstep = 100,<br>
                    conv_thr = 3e-8 ,<br>
                 mixing_mode = 'plain' ,<br>
                 mixing_beta = 0.7 ,<br>
             diagonalization = 'david' ,<br>
 /<br>
 &IONS<br>
                ion_dynamics = 'bfgs' ,<br>
            trust_radius_ini = 0.5 ,<br>
 /<br>
&CELL<br>
        cell_dynamics = 'bfgs',<br>
/<br>
CELL_PARAMETERS bohr<br>
    16.720296750    0.000000000    0.000000000<br>
     0.000000000   16.720296750    0.000000000<br>
     0.000000000    0.000000000   16.720296750<br>
ATOMIC_SPECIES<br>
   Si   28.08600  Si.pbe-n-rrkjus_psl.0.1.UPF<br>
    O   15.99940  O.pbe-n-rrkjus_psl.0.1.UPF<br>
 ATOMIC_POSITIONS angstrom<br>
   Si      2.212000000    0.000000000    4.424000000<br>
   Si      6.636000000    0.000000000    4.424000000<br>
   Si      4.424000000    2.212000000    0.000000000<br>
   Si      4.424000000    6.636000000    0.000000000<br>
   Si      0.000000000    4.424000000    2.212000000<br>
   Si      0.000000000    4.424000000    6.636000000<br>
   Si      2.212000000    4.424000000    0.000000000<br>
   Si      6.636000000    4.424000000    0.000000000<br>
   Si      0.000000000    2.212000000    4.424000000<br>
   Si      0.000000000    6.636000000    4.424000000<br>
   Si      4.424000000    0.000000000    2.212000000<br>
   Si      4.424000000    0.000000000    6.636000000<br>
    O      1.208640000    3.838260000    1.318350000<br>
    O      7.639360000    5.009740000    1.318350000<br>
    O      7.639360000    3.838260000    7.529650000<br>
    O      1.208640000    5.009740000    7.529650000<br>
    O      1.318350000    1.208640000    3.838260000<br>
    O      1.318350000    7.639360000    5.009740000<br>
    O      7.529650000    7.639360000    3.838260000<br>
    O      7.529650000    1.208640000    5.009740000<br>
    O      3.838260000    1.318350000    1.208640000<br>
    O      5.009740000    1.318350000    7.639360000<br>
    O      3.838260000    7.529650000    7.639360000<br>
    O      5.009740000    7.529650000    1.208640000<br>
    O      8.262260000    5.632640000    5.742350000<br>
    O      0.585740000    3.215360000    5.742350000<br>
    O      8.262260000    3.215360000    3.105650000<br>
    O      0.585740000    5.632640000    3.105650000<br>
    O      5.632640000    5.742350000    8.262260000<br>
    O      3.215360000    5.742350000    0.585740000<br>
    O      3.215360000    3.105650000    8.262260000<br>
    O      5.632640000    3.105650000    0.585740000<br>
    O      5.742350000    8.262260000    5.632640000<br>
    O      5.742350000    0.585740000    3.215360000<br>
</span>    <span style="color:rgb(0,111,201)">O      3.105650000    8.262260000    3.215360000</span><br>
<span style="color:rgb(0,111,201)">    O      3.105650000    0.585740000    5.632640000</span><br>
<span style="color:rgb(0,111,201)"></span><span style="color:rgb(0,111,201)">K_POINTS automatic</span><br>
<span style="color:rgb(0,111,201)">  4 4 4   1 1 1</span><br>
</p>
<p><br>
</p>
<p>Any help would be appreciated.<br>
</p>
<p><br>
</p>
<div>
<div style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif">
<p>Amir M. Mofrad<span>    <br>
</span></p>
<p><br>
</p>
</div>
</div>
</div>
</div>

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