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    <p><font face="Times New Roman">I use WIEN2k 17.1.  I try to keep it
        patched with fixes reported in the mailing list [
<a class="moz-txt-link-freetext" href="https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg17267.html">https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg17267.html</a>
        ].  I don't use 13.1 anymore.  That is because version 13.1 likely
        has some of the same bugs that were found and fixed in 14.1, 14.2,
        16.1, and 17.1 [
        <a class="moz-txt-link-freetext" href="http://susi.theochem.tuwien.ac.at/reg_user/updates/">http://susi.theochem.tuwien.ac.at/reg_user/updates/</a> ].</font><br>
    </p>
    That new parabolfit_lapw file might work in 13.1.  However, if you
    encounter a problem and it doesn't work, then you would be forced to
    upgrade to WIEN2k 17.1 to be able to use it.<br>
    <br>
    Currently, I believe parabolfit_lapw is the best way available at
    this time.  I'm not currently aware of any better fitting methods. 
    If you find a better way, feel free to share.<br>
    <br>
    <div class="moz-cite-prefix">On 5/8/2018 2:33 AM, Victor Zenou
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAOFFwJ5UW-d5Qx9DQypwpH-JFaFed_KCa6rw=QjOOogm4dyZbw@mail.gmail.com">
      <div dir="rtl">
        <div dir="ltr">Gavin, thanks for your answer<br>
        </div>
        <div dir="ltr">Unfortunally I'm using WIEN2k 13.1 version.<br>
        </div>
        <div dir="ltr">I can check energy of each case.scf file. <br>
        </div>
        <div dir="ltr">Isn't there another smarter way to do that
          fitting?<br>
        </div>
        <div dir="ltr">Thanks, Victor<br>
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      <div class="gmail_extra"><br>
        <div class="gmail_quote">
          <div dir="ltr">2018-05-06 16:50 GMT+03:00 Gavin Abo <span
              dir="ltr"><<a href="mailto:gsabo@crimson.ua.edu"
                target="_blank" moz-do-not-send="true">gsabo@crimson.ua.edu</a>></span>:</div>
          <blockquote class="gmail_quote" style="margin:0
            .8ex;border-left:1px #ccc solid;border-right:1px #ccc
            solid;padding-left:1ex;padding-right:1ex">
            <div text="#000000" bgcolor="#FFFFFF">
              <p>I haven't really used parabolfit_lapw, but I believe
                you can use it for that.  <br>
              </p>
              However, you may want to use the improved WIEN2k 17.1
              parabolfit_lapw script:<br>
              <br>
              [1]
              <a class="m_1171632459349437276moz-txt-link-freetext"
href="https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg16799.html"
                target="_blank" moz-do-not-send="true">https://www.mail-archive.com/<wbr>wien@zeus.theochem.tuwien.ac.<wbr>at/msg16799.html</a><br>
              [2]
              <a class="m_1171632459349437276moz-txt-link-freetext"
href="https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg16798.html"
                target="_blank" moz-do-not-send="true">https://www.mail-archive.com/<wbr>wien@zeus.theochem.tuwien.ac.<wbr>at/msg16798.html</a><br>
              <br>
              Or instead of trying to get parabolfit_lapw from [1] by
              doing a copy and then a paste into a file, there is a
              WIEN2k 17.1 parabolfit_lapw.patch at:<br>
              <br>
              <a class="m_1171632459349437276moz-txt-link-freetext"
                href="https://github.com/gsabo/WIEN2k-Patches/tree/master/17.1"
                target="_blank" moz-do-not-send="true">https://github.com/gsabo/<wbr>WIEN2k-Patches/tree/master/17.<wbr>1</a>
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                <div class="h5"><br>
                  <br>
                  <div class="m_1171632459349437276moz-cite-prefix">On
                    5/6/2018 7:16 AM, Victor Zenou wrote:<br>
                  </div>
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                      <div dir="ltr"><br>
                        Hi<br>
                      </div>
                      <div dir="ltr" style="text-align:left">I'm trying
                        to do volume optimization to monoclinic
                        structure via option 7 ((4x4x4x4)=256; before
                        that I did Volume optimization using constant
                        c/b/a, while also checking few unique angles).<br>
                        I got case*.SCF, case*.strcu and case*.sum
                        files, while *=1 to 256.<br>
                        It is not clear how to check the results, simply
                        check one by one or use parabolfit_lapw.<br>
                        Thanks, Victor<br>
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