<div dir="ltr"><div class="gmail_quote">Dear PWSCF users,</div><div class="gmail_quote">Merry xmas to all of you. In continuation of my earlier message, I want to ask one more thing is the energy it writes at the end before writing the error</div><div class="gmail_quote"><div class="gmail_quote"> </div><div class="gmail_quote"> <font color="#0000ff"> number of scf cycles = 11</font></div><div class="gmail_quote"><font color="#0000ff"> number of bfgs steps = 7</font></div><div class="gmail_quote"><font color="#0000ff"><br></font></div><div class="gmail_quote"><font color="#0000ff"> energy old = -317.7992983002 Ry</font></div><div class="gmail_quote"><font color="#0000ff"> energy new = -317.7992982807 Ry</font></div><div class="gmail_quote"><font color="#0000ff"><br></font></div><div class="gmail_quote"><font color="#0000ff"> CASE: energy _new > energy _old</font></div><div><br></div></div><div class="gmail_quote"><br></div><div class="gmail_quote">so can I take "energy new" as my ground state total energy of the system, for the given configuration? Or I have to modify the value of "etot_conv_thr" and "trust_radius_min" until the calculation finished without bfgs error, and that "Final energy" is the ground state energy of my given configuration?</div><div class="gmail_quote"><br></div><div class="gmail_quote">thanks</div><div class="gmail_quote"><br><br><div dir="ltr"><div>Dear users,</div><div>I am doing calculations of ZnO wurtzite structure, and varying ecutwfc and ecutrho to check the energy convergence test. But in most of the runs it ends with the following error</div><div><br></div><div> from bfgs : error # 1</div><div> bfgs history already reset at previous step</div><div><br></div><div>So its just a warning or there is some error in input or compilation?</div><div>I saw the previous threads and asked to reduce the "etot_conv_thr = 1.0d-5"</div><div>i did that to 1.5d-5 but still the error remains.</div><div>kindly help.</div><span class=""><font color="#888888">-- <br><div><div dir="ltr"><div>Dr. Bipul Rakshit<br>Research Associate,<br>Institute of Physics (IOP),<br>Bhubaneswar- <span>751 005</span></div><div>Orissa <br></div><div>India</div></div></div>
</font></span></div>
</div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div>Dr. Bipul Rakshit<br>Research Associate,<br>Institute of Physics (IOP),<br>Bhubaneswar- <span>751 005</span></div><div>Orissa <br></div><div>India</div></div></div>
</div>