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Dear PW users<br><br><br>     I am doing some test calculations about Raman spectra, but I came across a strange error when testing H2<br><br>Here is my h2.scf.in,:<br><br>   &control<br>    calculation='scf'<br>    pseudo_dir = '/home/yongduo/QuantumEspresso/espresso-4.1/pseudo',<br>    outdir='/home/yongduo/tmp/'<br>    title='Test H2 gamma only'<br>    prefix='h2'<br>    tprnfor=.true.<br> /<br> &system<br>    ibrav=0, nat=2, ntyp= 1,<br>    ecutwfc =60.0<br> /<br>  &electrons<br>    mixing_mode='plain'<br>    mixing_beta = 0.7,<br>    conv_thr =  1.0d-8<br> /<br>CELL_PARAMETERS cubic<br>20  0.0  0.0<br> 0.0 20  0.0<br> 0.0  0.0 20<br>ATOMIC_SPECIES<br> H  1.008  H.pz-vbc.UPF<br>ATOMIC_POSITIONS (alat)<br>H        0.002235005   0.000000000   0.000000000<br>H        0.074814995   0.000000000   0.000000000<br>K_POINTS<br>1<br>0 0 0 1<br><br>This step was successful, but error came out when ph.x began to do the Electric Fields Calculation.<br><br><b>My input:</b><br><br>Normal modes for H2<br> &inputph<br>  tr2_ph=1.0d-14,<br>  prefix='h2',<br>  amass(1)=1.008,<br>  outdir='/home/yongduo/tmp',<br>  epsil=.true.,<br>  trans=.true.,<br>  asr=.true.<br>  lraman = .true.<br>  fildyn='h2.dyn'<br> /<br> 0.0 0.0 0.0<br><br><br><b>Output</b><br><br>     ..........<br>     Electric Fields Calculation<br><br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br>     from calbec : error #         3<br>     size mismatch<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br><br>     stopping ...<br><br><br><br>Anybody knows what does that mean? Any help will be highly appreciated!<br><br>best<br><br>Yongduo Liu<br><br><br>UCLA<br>MSE <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br /><hr />使用新一代 Windows Live Messenger 轻松交流和共享! <a href='http://www.windowslive.cn/Messenger/' target='_new'>立刻下载!</a></body>
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