<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:10pt">hello friends,<br>i am facing a problem. i am trying to relax my system,with input file<br><span style="font-weight: bold;">&amp;control</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; calculation='relax'</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; pseudo_dir = '/home/rudra/espresso_work/pseudo/',</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; restart_mode = 'from_scratch' ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; outdir='.'</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; title='Relax Water Hexamer Book Structure'</span><br style="font-weight: bold;"><span style="font-weight:
 bold;">&nbsp;&nbsp;&nbsp; prefix='book'</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; tprnfor=.true., </span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; tstress=.true.</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; nstep=100,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;/</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&amp;system</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; ibrav=&nbsp; 1,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; celldm(1) = 24.,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; nat=18, </span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; ntyp= 2,</span><br style="font-weight: bold;"><span
 style="font-weight: bold;">&nbsp;&nbsp;&nbsp; ecutwfc = 60.0,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; ecutrho = 180.0 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; nbnd= 52,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp;&nbsp; xc_type = 'BLYP',</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;/</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp; &amp;electrons</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp; conv_thr = 1.d-3 </span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;/</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp; &amp;ions</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp; ion_dynamics = 'bfgs' ,</span><br style="font-weight: bold;"><span
 style="font-weight: bold;">&nbsp;&nbsp; upscale = 30.D0 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp; trust_radius_max = 5.0D-1 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;&nbsp; trust_radius_min = 1.0D-10 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;/&nbsp;&nbsp;&nbsp; </span><br style="font-weight: bold;"><span style="font-weight: bold;">ATOMIC_SPECIES</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;O 16.0d0 O.BLYP.UPF</span><br style="font-weight: bold;"><span style="font-weight: bold;">&nbsp;H&nbsp; 1.0d0 H.fpmd.UPF</span><br style="font-weight: bold;"><span style="font-weight: bold;">ATOMIC_POSITIONS (bohr)</span><br style="font-weight: bold;"><span style="font-weight: bold;">O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -3.765850089&nbsp;&nbsp; 2.604262152&nbsp;&nbsp; 2.619442162</span><br style="font-weight: bold;"><span
 style="font-weight: bold;">O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3..257666971&nbsp;&nbsp; 0.556462826&nbsp;&nbsp; 0.567981255</span><br style="font-weight: bold;"><span style="font-weight: bold;">O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.721513716&nbsp;&nbsp; 5.028138562&nbsp;&nbsp; 1.453740093</span><br style="font-weight: bold;"><span style="font-weight: bold;">O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2.459939568&nbsp; -1.173597129&nbsp; -4.376727719</span><br style="font-weight: bold;"><span style="font-weight: bold;">O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -0.795639896&nbsp; -4.762757998&nbsp; -2.273327611</span><br style="font-weight: bold;"><span style="font-weight: bold;">O&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -1.446214713&nbsp; -2.020509104&nbsp;&nbsp; 2.240245088</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -5.130209799&nbsp;&nbsp; 3.094215504&nbsp;&nbsp;
 1.480725193</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -2.297814319&nbsp;&nbsp; 3.717759149&nbsp;&nbsp; 2.145327713</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2.001314966&nbsp; -0.548297328&nbsp;&nbsp; 1.386980992</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.171211589&nbsp;&nbsp; 0.032349699&nbsp; -1.239918611</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.783161893&nbsp;&nbsp; 3.503054113&nbsp;&nbsp; 1.019956064</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.911072560&nbsp;&nbsp; 6.158083552&nbsp;&nbsp; 0.008560339</span><br style="font-weight: bold;"><span style="font-weight:
 bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.268754221&nbsp; -2.551175782&nbsp; -3.887721179</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3.858660869&nbsp; -2.043651487&nbsp; -5.199877530</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -2.411497662&nbsp; -5.196233584&nbsp; -3.045652507</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -1.249081673&nbsp; -3.902600390&nbsp; -0.661327634</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -2.452970050&nbsp; -0.404000526&nbsp;&nbsp; 2.341480766</span><br style="font-weight: bold;"><span style="font-weight: bold;">H&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -1.721709152&nbsp; -2.854164227&nbsp;&nbsp; 3.859806125</span><br style="font-weight: bold;"><span
 style="font-weight: bold;">K_POINTS {automatic}</span><br style="font-weight: bold;"><span style="font-weight: bold;">2 2 2 0 0 0 <br></span>whivh is returnning the error:<span style="font-weight: bold;"><br>resetting bfgs history<br>&nbsp;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>&nbsp;&nbsp;&nbsp;&nbsp; from bfgs : error #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1<br>&nbsp;&nbsp;&nbsp;&nbsp; bfgs history already reset at previous step<br>&nbsp;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>&nbsp;&nbsp;&nbsp;&nbsp; stopping ...<br>2<br>i did </span>checked the forum archive and saw that it may&nbsp; be caused due to high force convergence threshold (which i was giving it in previous calculati, only to return with the same error). Now,i relied on the default value and stiil its comming......any idea why?<br><span style="font-weight: bold;">------<br></span>Rudra<br>Have a
 Nice Time<br><span><a target="_blank" href="http://www.bose.res.in/%7Erudra">http://www.bose.res.in/~rudra</a></span><br>Please, if possible, don't  send me MS Word or PowerPoint attachments        <br><span>Why?See:  <a target="_blank" href="http://www.gnu.org/philosophy/no-word-attachments.html">http://www.gnu.org/philosophy/no-word-attachments.html</a></span><div style="font-family: times new roman,new york,times,serif; font-size: 10pt;"><br><br><br></div></div><br>


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