<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:16px"><div id="yui_3_16_0_1_1441434595438_2341"><span id="yui_3_16_0_1_1441434595438_2935">Dear Sir,</span></div><div id="yui_3_16_0_1_1441434595438_2618"><span id="yui_3_16_0_1_1441434595438_2812">I am trying to calculate DOS, pDOS and phonon densities etc of PbTiO3 -(tetragonal structure)</span></div><div id="yui_3_16_0_1_1441434595438_2747" dir="ltr"><span id="yui_3_16_0_1_1441434595438_2746">SCF, NSCF and BANDS calculations worked out nicely with tetrahedra,</span></div><div id="yui_3_16_0_1_1441434595438_2748" dir="ltr"><span id="yui_3_16_0_1_1441434595438_2746">but while doing ph.x calculation i am getting the following error</span></div><div id="yui_3_16_0_1_1441434595438_2762" dir="ltr"><br><span id="yui_3_16_0_1_1441434595438_2746"></span></div><div id="yui_3_16_0_1_1441434595438_2861" dir="ltr"><span id="yui_3_16_0_1_1441434595438_2746"><br class="" id="yui_3_16_0_1_1441434595438_2923"> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br class="" id="yui_3_16_0_1_1441434595438_2925"> Error in routine phq_setup (1):<br class="" id="yui_3_16_0_1_1441434595438_2927"> phonon + tetrahedra not implemented<br class="" id="yui_3_16_0_1_1441434595438_2929"> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%<br class="" id="yui_3_16_0_1_1441434595438_2931"><br class="" id="yui_3_16_0_1_1441434595438_2933"> stopping ...</span></div><div id="yui_3_16_0_1_1441434595438_2936" dir="ltr"><br><span id="yui_3_16_0_1_1441434595438_2746"></span></div><div id="yui_3_16_0_1_1441434595438_2937" dir="ltr"><span id="yui_3_16_0_1_1441434595438_2746">can i know where i am doing wrong.</span></div><div id="yui_3_16_0_1_1441434595438_2955" dir="ltr"><span class="" id="yui_3_16_0_1_1441434595438_2746">i am attaching the scf.in and phG.in/out files</span></div><div id="yui_3_16_0_1_1441434595438_2977" dir="ltr"><br><span class="" id="yui_3_16_0_1_1441434595438_2746">thanks and regards</span></div><div id="yui_3_16_0_1_1441434595438_2745"> </div><div id="yui_3_16_0_1_1441434595438_2345" class="signature"><div id="yui_3_16_0_1_1441434595438_2344"><div id="yui_3_16_0_1_1441434595438_2954"><font id="yui_3_16_0_1_1441434595438_2343" face="comic sans ms" color="#ff007f"><font color="#c00000">Chaitanya</font> <font id="yui_3_16_0_1_1441434595438_2342" color="#0000ff">Varma</font> <font color="#7f003f">M</font></font></div><div id="yui_3_16_0_1_1441434595438_2952"><font id="yui_3_16_0_1_1441434595438_2343" face="comic sans ms" color="#ff007f"><font color="#7f003f">Asst Professor</font></font></div><div id="yui_3_16_0_1_1441434595438_2953"><font id="yui_3_16_0_1_1441434595438_2343" face="comic sans ms" color="#ff007f"><font id="yui_3_16_0_1_1441434595438_2982" color="#7f003f">GITAM University</font></font></div><div id="yui_3_16_0_1_1441434595438_2983"><font id="yui_3_16_0_1_1441434595438_2343" face="comic sans ms" color="#ff007f"><font color="#7f003f">India<br></font></font></div></div> <div id="yui_3_16_0_1_1441434595438_2346"> </div></div></div></body></html>