<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;">&control</span><br style="font-weight: bold;"><span style="font-weight: bold;">    calculation='relax'</span><br style="font-weight: bold;"><span style="font-weight: bold;">    pseudo_dir = '/home/rudra/espresso_work/pseudo/',</span><br style="font-weight: bold;"><span style="font-weight: bold;">    restart_mode = 'from_scratch' ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">    outdir='.'</span><br style="font-weight: bold;"><span style="font-weight: bold;">    title='Relax Water Hexamer Book Structure'</span><br style="font-weight: bold;"><span style="font-weight:
 bold;">    prefix='book'</span><br style="font-weight: bold;"><span style="font-weight: bold;">    tprnfor=.true., </span><br style="font-weight: bold;"><span style="font-weight: bold;">    tstress=.true.</span><br style="font-weight: bold;"><span style="font-weight: bold;">    nstep=100,</span><br style="font-weight: bold;"><span style="font-weight: bold;"> /</span><br style="font-weight: bold;"><span style="font-weight: bold;"> &system</span><br style="font-weight: bold;"><span style="font-weight: bold;">    ibrav=  1,</span><br style="font-weight: bold;"><span style="font-weight: bold;">    celldm(1) = 24.,</span><br style="font-weight: bold;"><span style="font-weight: bold;">    nat=18, </span><br style="font-weight: bold;"><span style="font-weight: bold;">    ntyp= 2,</span><br style="font-weight: bold;"><span
 style="font-weight: bold;">    ecutwfc = 60.0,</span><br style="font-weight: bold;"><span style="font-weight: bold;">    ecutrho = 180.0 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">    nbnd= 52,</span><br style="font-weight: bold;"><span style="font-weight: bold;">    xc_type = 'BLYP',</span><br style="font-weight: bold;"><span style="font-weight: bold;"> /</span><br style="font-weight: bold;"><span style="font-weight: bold;">  &electrons</span><br style="font-weight: bold;"><span style="font-weight: bold;">   conv_thr = 1.d-3 </span><br style="font-weight: bold;"><span style="font-weight: bold;"> /</span><br style="font-weight: bold;"><span style="font-weight: bold;">  &ions</span><br style="font-weight: bold;"><span style="font-weight: bold;">   ion_dynamics = 'bfgs' ,</span><br style="font-weight: bold;"><span
 style="font-weight: bold;">   upscale = 30.D0 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">   trust_radius_max = 5.0D-1 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;">   trust_radius_min = 1.0D-10 ,</span><br style="font-weight: bold;"><span style="font-weight: bold;"> /    </span><br style="font-weight: bold;"><span style="font-weight: bold;">ATOMIC_SPECIES</span><br style="font-weight: bold;"><span style="font-weight: bold;"> O 16.0d0 O.BLYP.UPF</span><br style="font-weight: bold;"><span style="font-weight: bold;"> H  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       -3.765850089   2.604262152   2.619442162</span><br style="font-weight: bold;"><span
 style="font-weight: bold;">O        3..257666971   0.556462826   0.567981255</span><br style="font-weight: bold;"><span style="font-weight: bold;">O        0.721513716   5.028138562   1.453740093</span><br style="font-weight: bold;"><span style="font-weight: bold;">O        2.459939568  -1.173597129  -4.376727719</span><br style="font-weight: bold;"><span style="font-weight: bold;">O       -0.795639896  -4.762757998  -2.273327611</span><br style="font-weight: bold;"><span style="font-weight: bold;">O       -1.446214713  -2.020509104   2.240245088</span><br style="font-weight: bold;"><span style="font-weight: bold;">H       -5.130209799   3.094215504  
 1.480725193</span><br style="font-weight: bold;"><span style="font-weight: bold;">H       -2.297814319   3.717759149   2.145327713</span><br style="font-weight: bold;"><span style="font-weight: bold;">H        2.001314966  -0.548297328   1.386980992</span><br style="font-weight: bold;"><span style="font-weight: bold;">H        3.171211589   0.032349699  -1.239918611</span><br style="font-weight: bold;"><span style="font-weight: bold;">H        1.783161893   3.503054113   1.019956064</span><br style="font-weight: bold;"><span style="font-weight: bold;">H        0.911072560   6.158083552   0.008560339</span><br style="font-weight: bold;"><span style="font-weight:
 bold;">H        1.268754221  -2.551175782  -3.887721179</span><br style="font-weight: bold;"><span style="font-weight: bold;">H        3.858660869  -2.043651487  -5.199877530</span><br style="font-weight: bold;"><span style="font-weight: bold;">H       -2.411497662  -5.196233584  -3.045652507</span><br style="font-weight: bold;"><span style="font-weight: bold;">H       -1.249081673  -3.902600390  -0.661327634</span><br style="font-weight: bold;"><span style="font-weight: bold;">H       -2.452970050  -0.404000526   2.341480766</span><br style="font-weight: bold;"><span style="font-weight: bold;">H       -1.721709152  -2.854164227   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> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>     from bfgs : error #         1<br>     bfgs history already reset at previous step<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>     stopping ...<br>2<br>i did </span>checked the forum archive and saw that it may  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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