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<DIV>hello QE users,  <BR>I'm going to achieve the best kpoint and cut-off for my system. I got results but I do'nt know, What is the best choice for K-point?<BR>please help me,<BR>thanks in advance.?<BR></DIV>
<DIV> energy(Ry)            k-point<BR>-270.57530321       1 1 3</DIV>
<DIV>-270.58540932       1 1 4</DIV>
<DIV>-270.58749209       1 1 5</DIV>
<DIV>-270.58517276       1 1 6</DIV>
<DIV>-270.58547581       1 1 7</DIV>
<DIV>-270.58556388       1 1 8</DIV>
<DIV>-270.58553867       1 1 9</DIV>
<DIV>-270.58554333       1 1 10</DIV>
<DIV><BR>Farzad Molani,<BR>Ph.D Student,<BR>Department of Theoretical Physical Chemistry,<BR>K. N. Toosi University of Technology,<BR>Tehran, Iran.<BR>Tel.: <?XML:NAMESPACE PREFIX = SKYPE /><SKYPE:SPAN class=skype_v3_tb_injection id=softomate_v3_highlight_0 title=Call this phone number in Iran with Skype: +989144423308 type=".flex" skypeid="0" skypeaction="call" nof="" isfax="" freecall="" fwidth=".w16" mode=".compat" path="https://toolbaricons.s4benterprises.com/IEPlugin/" durex2="%DADDYHEIGHT%" durex="%DADDYWIDTH%" context="009891 4442 3308"><SKYPE:SPAN class=skype_v3_tb_imgA id=skype_v3_tb_droppart_0 title="Skype actions" style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_a.compat.flex.w16.gif)" skypeid="0" skypeaction="drop" skypesms="1"><SKYPE:SPAN class=skype_v3_tb_imgFlag id=skype_v3_tb_img_f0 style="BACKGROUND-IMAGE:
 url(https://toolbaricons.s4benterprises.com/IEPlugin/famfamfam/IR.gif)"></SKYPE:SPAN></SKYPE:SPAN><SKYPE:SPAN class=skype_v3_tb_imgS id=skype_v3_tb_img_s0 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_s.compat.gif)"></SKYPE:SPAN><SKYPE:SPAN class=skype_v3_tb_injectionIn id=skype_v3_tb_text0 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_m.compat.gif)"><SKYPE:SPAN class=skype_v3_tb_innerText id=skype_v3_tb_innerText0 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_m.compat.gif)"> 009891 4442 3308 </SKYPE:SPAN></SKYPE:SPAN><SKYPE:SPAN class=skype_v3_tb_imgR id=skype_v3_tb_img_r0 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_r.compat.gif)"></SKYPE:SPAN></SKYPE:SPAN> </DIV>
<DIV>Tel.: <SKYPE:SPAN class=skype_v3_tb_injection id=softomate_v3_highlight_1 title=Call this phone number in Iran with Skype: +982123064280 type=".flex" skypeid="1" skypeaction="call" nof="" isfax="" freecall="" fwidth=".w16" mode=".compat" path="https://toolbaricons.s4benterprises.com/IEPlugin/" durex2="%DADDYHEIGHT%" durex="%DADDYWIDTH%" context="009821 2306 4280"><SKYPE:SPAN class=skype_v3_tb_imgA id=skype_v3_tb_droppart_1 title="Skype actions" style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_a.compat.flex.w16.gif)" skypeid="1" skypeaction="drop" skypesms="0"><SKYPE:SPAN class=skype_v3_tb_imgFlag id=skype_v3_tb_img_f1 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/famfamfam/IR.gif)"></SKYPE:SPAN></SKYPE:SPAN><SKYPE:SPAN class=skype_v3_tb_imgS id=skype_v3_tb_img_s1 style="BACKGROUND-IMAGE:
 url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_s.compat.gif)"></SKYPE:SPAN><SKYPE:SPAN class=skype_v3_tb_injectionIn id=skype_v3_tb_text1 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_m.compat.gif)"><SKYPE:SPAN class=skype_v3_tb_innerText id=skype_v3_tb_innerText1 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_m.compat.gif)"> 009821 2306 4280 </SKYPE:SPAN></SKYPE:SPAN><SKYPE:SPAN class=skype_v3_tb_imgR id=skype_v3_tb_img_r1 style="BACKGROUND-IMAGE: url(https://toolbaricons.s4benterprises.com/IEPlugin/inactive_r.compat.gif)"></SKYPE:SPAN></SKYPE:SPAN> <BR>Fax: 009821 2285 3650 <BR>Web: http://www.chem.kntu.ac.ir/~sjalili:/</DIV></TD></TR></TBODY></TABLE></DIV></td></tr></table><br>