<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><div id="yiv1746646656"><table border="0" cellpadding="0" cellspacing="0"><tbody><tr><td style="font-family: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; font-size: inherit; line-height: inherit; font-size-adjust: inherit; font-stretch: inherit; -x-system-font: none;" valign="top"><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br><br><div id="yiv722052409"><table border="0" cellpadding="0" cellspacing="0"><tbody><tr><td style="font-family: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; font-size: inherit; line-height: inherit; font-size-adjust: inherit; font-stretch: inherit;" valign="top">Hi All,<br>I was calculating the optical properties and during

 epsilon calculation, I got<br><br><br>Performing eps calculation...<br><br>%%%%%%<br>     from grid_build : error #         1<br>     USPP are not implemented<br> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br><br>     stopping

 ...<br><br>=====================================<br>Then, I searched the Pwscf Forum and found that epsilon.x does not work with Ultra-soft pseudo potentials.<br><br>http://www.democritos.it/pipermail/pw_forum/2006-December/005586.html<br>  I also tried with ABINIT  PP's but getting error. Please advise. From where i can get the other PPs or one has to genrate using the genration package given at http://www..pwscf.org/pseudo.htm/or using ld1.x code or what is the alternate option as i dont know how to genrate the PPs?? please give any suggestion.<br><br>Thanks<br><br>Neel

 singh,<br>University of Delhi,<br>INDIA<br></td></tr></tbody></table><br>

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