<div dir="ltr">Dear QE Developers,<div><br></div><div>I want to calculate the exchange parameter between Two adatoms using the self-consistent method that way I used DFT+U, I have already used this method with other structures but now I have a problem with convergence I tried changing conv_thr, mixing_beta, and ecutwfc but didn't work this my input file</div><div><br></div><div><br><div class="gmail_chip gmail_drive_chip" style="width:396px;height:18px;max-height:18px;background-color:#f5f5f5;padding:5px;color:#222;font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px solid #ddd;line-height:1"><a href="https://drive.google.com/file/d/130WdaatK1Vo97FK0MEci60IjVIDu-I9p/view?usp=drive_web" target="_blank" style="display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px 0px;border:none;width:100%" aria-label="ex.in"><img style="vertical-align: bottom; border: none;" src="https://ssl.gstatic.com/docs/doclist/images/icon_10_generic_list.png"> <span dir="ltr" style="color:#15c;text-decoration:none;vertical-align:bottom">ex.in</span></a></div><br><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><b>-----------------------</b></div><b>Imane BEZZAOUI PhD Student</b><div><b>-----------------------</b></div><div><b>Laboratory of Industrial Engineering and Seismic Engineering.</b></div><div><b>National School of Applied Science. </b></div><div><b>University Mohammed First Oujda, Morocco.</b></div><div><b>-----------------------</b></div></div></div></div></div></div></div>