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<DIV><FONT face=Verdana size=2>Dear my Pwscf friends:</FONT></DIV>
<DIV>When I am trying to do a series phonon calculations of fcc-Fe, at some of
the lattice parameters, there is an error message:</DIV>
<DIV>%%%%%%%%%%%%%%%%%%%</DIV>
<DIV>from set_irr: error # 1</DIV>
<DIV>one mode is zero</DIV>
<DIV>%%%%%%%%%%%%%%%%%%%</DIV>
<DIV>in the output file of ph.x. </DIV>
<DIV>How can it been remedied? I wonder, why just some of these
calculations have this error? </DIV>
<DIV> </DIV>
<DIV>Regards</DIV>
<DIV> </DIV>
<DIV>Dr. Wenxu Zhang</DIV>
<DIV> </DIV>
<DIV>State Key Laboratory of Electronic Thin Films and Integrated Devices,</DIV>
<DIV>University of Electronic Science and Technology of China,</DIV>
<DIV>Chengdu 610054</DIV>
<DIV>China</DIV>
<DIV>Tel: +86-28-83201475</DIV>
<DIV>
<DIV>Fax: +86-28-83204938</DIV></DIV></DIV></FONT></DIV></BODY></HTML>