<div class="iw_mail" dir="auto" style="font-size: 13px;"><div>Dead Qe Developers,</div><div><br></div><div>Hi.</div><div>Kindly, in the course of scf cycle for finding the Hubbard parameters, I noticed that the PW code hangs/crashes for negative intersite Hubbard_V values.</div><div>I am using QE-7.1 Development.</div><div>Is there any simple workaround?</div><div>Thanks in advance.</div><div><br></div><div>Best regards,<br></div><div><br></div><div class=""><div>Mahmoud Payami</div><div>NSTRI, AEOI</div><div>Tehran, Iran</div><div>Email: mpayami@aeoi.org.ir</div><div>Phone: +98(0)2182066504</div><div>------------------------------------<br></div></div></div>