<div>thank you, when  i update to 4.3.1, the error disappears. however, my  results of example 15 has a liittle difference in alas.ph.out. i think it can not be neglected?? thank you very much.   </div>
<div>my results  are :  <br>**************************************************************************<br>    <font color="#ff0000"> omega( 1) =      -0.154428 [THz] =      -5.151172 [cm-1]<br>     omega( 2) =      -0.154428 [THz] =      -5.151172 [cm-1]<br>
     omega( 3) =      -0.154428 [THz] =      -5.151172 [cm-1]<br></font>     omega( 4) =      10.583082 [THz] =     353.013616 [cm-1]<br>     omega( 5) =      10.583082 [THz] =     353.013616 [cm-1]<br>     omega( 6) =      10.583082 [THz] =     353.013616 [cm-1]<br>
 **************************************************************************<br> <br>     Mode symmetry, T_d (-43m)  point group:<br> <br>     omega(  1 -  3) =         -5.2  [cm-1]   --> T_2  G_15 P_4   I+R<br>     omega(  4 -  6) =        353.0  [cm-1]   --> T_2  G_15 P_4   I+R<br>
 <br> **************************************************************************</div>
<div>the reference are </div>
<div> **************************************************************************<br>     <font color="#ff0000">omega( 1) =       0.044075 [THz] =       1.470192 [cm-1]<br>     omega( 2) =       0.044075 [THz] =       1.470192 [cm-1]<br>
     omega( 3) =       0.044075 [THz] =       1.470192 [cm-1]<br></font>     omega( 4) =      10.582824 [THz] =     353.007358 [cm-1]<br>     omega( 5) =      10.582824 [THz] =     353.007358 [cm-1]<br>     omega( 6) =      10.582824 [THz] =     353.007358 [cm-1]<br>
 **************************************************************************<br> <br>     Mode symmetry, T_d (-43m)  point group:<br> <br>     omega(  1 -  3) =          1.5  [cm-1]   --> T_2  G_15 P_4   I+R<br>     omega(  4 -  6) =        353.0  [cm-1]   --> T_2  G_15 P_4   I+R<br>
 <br> **************************************************************************<br></div>
<div class="gmail_quote">2011/6/18 Paolo Giannozzi <span dir="ltr"><<a href="mailto:giannozz@democritos.it">giannozz@democritos.it</a>></span><br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">
<div class="im"><br>On Jun 18, 2011, at 13:21 , xu yuehua wrote:<br><br>> I am puzzled what is the problem<br><br></div>it is a known bug, already fixed in v.4.3.1: see revision 7802,<br><a href="http://qe-forge.org/scm/browser.php?group_id=10" target="_blank">http://qe-forge.org/scm/browser.php?group_id=10</a><br>

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<div></div>
<div class="h5"><br>P.<br>---<br>Paolo Giannozzi, Dept of Chemistry&Physics&Environment,<br>Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br>Phone +39-0432-558216, fax +39-0432-558222<br><br><br><br><br>
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</div></div></blockquote></div><br><br clear="all"><br>-- <br>Yuehua Xu<br>Group of Computational Condensed Matter Physics, <br>National Laboratory of Solid State Microstructures and Department of Physics, <br>Nanjing University,<br>
 Nanjing 210093,<br> P. R. China<br><br>