<div dir="ltr">Dear Prof. Gavin,<div><br></div><div>                           Thanks a lot for your help. It is working now. However, I have another query. After x optimize with the struct file a message comes as: SPACE GROUP CONTAINS INVERSION</div><div><b> alpha(3) .gt. 91.0; reset to 90.1. </b>However, the struct file remains the same after this message. Hence, should we ignore the message?</div><div><br></div><div>with regards,</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 25 Aug 2020 at 11:57, Gavin Abo <<a href="mailto:gsabo@crimson.ua.edu">gsabo@crimson.ua.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
  <div>
    <p><font color="#0000ff">I took your attached
        Nb2Se3_all_min_initial.struct at [1], kept the structure the
        same but swapped the lattice angles (beta<->gamma),
        lattice constants (b<->c), and atomic positions
        (y<->z) in StructGen of w2web and generated the new
        symmetry operations for it with "x symmetry" which gave the
        attached Nb2Se3_all_min.struct following the advice at:</font></p>
    <p><font color="#0000ff"><a href="https://urldefense.com/v3/__https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg12124.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!FEEtwhA5ust8qZ33lpDr8XYIkrrX9Q-5dJZwtsegrpZeCBDX0vBodglHQ7hv6bvcYwvi9Q$" rel="noreferrer" target="_blank">https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg12124.html</a></font></p>
    <p><font color="#0000ff">I then ran the 4D "x optimize" on it using
        WIEN2k 19.2 as given below.  I'm not able to reproduce what you
        have described as instead it looks like the "x optimize" script
        changes the gamma angle just fine from the original 104.153240
        degrees to other angles such as 102.070175 and 106.236305 in
        some of the .struct files.<br>
      </font></p>
    <p><font color="#c0c0c0">username@computername:~/wiendata/Nb2Se3_all_min$
        <font color="#000000">ls</font><br>
        Nb2Se3_all_min.struct<br>
        username@computername:~/wiendata/Nb2Se3_all_min$ <font color="#000000">x optimize</font><br>
         ********************************************<br>
           GENERATES STRUCT-FILES AND optimize.job<br>
         PLEASE CHOOSE ONE OF THE FOLLOWING FEATURES:<br>
        <br>
         [1]  VARY VOLUME with CONSTANT RATIO A:B:C<br>
         [2]  VARY C/A RATIO with CONSTANT VOLUME (tetr and hex
        lattices)<br>
         [3]  VARY C/A RATIO with CONSTANT VOLUME and B/A (orthorh
        lattice)<br>
         [4]  VARY B/A RATIO with CONSTANT VOLUME and C/A (orthorh
        lattice)<br>
         [5]  VARY A and C (2D-case) (tetragonal or hexagonal lattice)<br>
         [6]  VARY A, B and C (3D-case) (orthorhombic lattice)<br>
         [7]  VARY A, B, C and Gamma (4D-case) (monoclinic lattice)<br>
         [8]  VARY C/A RATIO and VOLUME (2D-case) (tetr and hex
        lattices)<br>
        <br>
         ********************************************<br>
        <br>
        <font color="#000000">7</font><br>
        <br>
        ***************************************************<br>
        Generating
Nb2Se3_all_min_initial.struct                                                  
        <br>
        next time this file will be used as template unless you remove
        it explicitly.<br>
        ***************************************************<br>
         number of structures: 15, 81 (3x3x3x3), 256 (4x4x4x4)<br>
        <font color="#000000">15</font><br>
         PLEASE enter a percentage change of a<br>
        <font color="#000000">2</font><br>
 Nb2Se3_all_min_mon____1.00.struct                                              
        <br>
         12.153492 17.398148  6.478929104.153240<br>
 Nb2Se3_all_min_mon____2.00.struct                                              
        <br>
         12.401522 17.398148  6.478929104.153240<br>
 Nb2Se3_all_min_mon____3.00.struct                                              
        <br>
         12.649552 17.398148  6.478929104.153240<br>
 Nb2Se3_all_min_mon____4.00.struct                                              
        <br>
         12.401522 17.050185  6.478929104.153240<br>
 Nb2Se3_all_min_mon____5.00.struct                                              
        <br>
         12.401522 17.746111  6.478929104.153240<br>
 Nb2Se3_all_min_mon____6.00.struct                                              
        <br>
         12.401522 17.398148  6.349350104.153240<br>
 Nb2Se3_all_min_mon____7.00.struct                                              
        <br>
         12.401522 17.398148  6.608508104.153240<br>
 Nb2Se3_all_min_mon____8.00.struct                                              
        <br>
         12.153492 17.050185  6.478929104.153240<br>
 Nb2Se3_all_min_mon____9.00.struct                                              
        <br>
         12.153492 17.398148  6.349350104.153240<br>
 Nb2Se3_all_min_mon___10.00.struct                                              
        <br>
         12.401522 17.050185  6.349350104.153240<br>
 Nb2Se3_all_min_mon___11.00.struct                                              
        <br>
         12.401522 17.398148  6.478929102.070175<br>
 Nb2Se3_all_min_mon___12.00.struct                                              
        <br>
         12.401522 17.398148  6.478929106.236305<br>
 Nb2Se3_all_min_mon___13.00.struct                                              
        <br>
         12.153492 17.398148  6.478929102.070175<br>
 Nb2Se3_all_min_mon___14.00.struct                                              
        <br>
         12.401522 17.050185  6.478929102.070175<br>
 Nb2Se3_all_min_mon___15.00.struct                                              
        <br>
         12.401522 17.398148  6.349350102.070175<br>
         Now run   optimize.job<br>
        0.0u 0.0s 0:09.80 0.0% 0+0k 0+264io 0pf+0w</font><br>
      <br>
      <font color="#c0c0c0">username@computername:~/wiendata/Nb2Se3_all_min$
        <font color="#000000">awk 'FNR==4 {print FILENAME, substr($5,
          length($5)-9, length($5))}'</font> <font color="#000000">*.struct</font><br>
        Nb2Se3_all_min_initial.struct 104.153240<br>
        Nb2Se3_all_min_mon___10.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____1.00.struct 104.153240<br>
        <font color="#0000ff">Nb2Se3_all_min_mon___11.00.struct
          102.070175</font><br>
        <font color="#0000ff">Nb2Se3_all_min_mon___12.00.struct
          106.236305</font><br>
        Nb2Se3_all_min_mon___13.00.struct 102.070175<br>
        Nb2Se3_all_min_mon___14.00.struct 102.070175<br>
        Nb2Se3_all_min_mon___15.00.struct 102.070175<br>
        Nb2Se3_all_min_mon____2.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____3.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____4.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____5.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____6.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____7.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____8.00.struct 104.153240<br>
        Nb2Se3_all_min_mon____9.00.struct 104.153240<br>
        <font color="#0000ff">Nb2Se3_all_min.struct 104.153240</font></font><br>
    </p>
    <p>[1]
<a href="https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg20403.html" target="_blank">https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg20403.html</a><br>
    </p>
    <div>On 8/24/2020 11:25 AM, shamik
      chakrabarti wrote:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">Dear Prof. Laurence Marks Sir,
        <div><br>
        </div>
        <div>                                            I have changed
          the atomic coordinates & reduced the symmetry to 1_P with
          the help of the Bilbao crystallographic server. The
          calculation is still running & 3 structures are already
          generated without showing any error. However, the value of
          Gamma is still not changing. Why so?</div>
        <div><br>
        </div>
        <div>Thanks & Regards,</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Mon, 24 Aug 2020 at 18:03,
          Laurence Marks <<a href="mailto:laurence.marks@gmail.com" target="_blank">laurence.marks@gmail.com</a>>
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div dir="auto">You have to also change the positions, and
            symmetry of course!<br>
            <br>
            <div>_____<br>
              Professor Laurence Marks<br>
              "Research is to see what everybody else has seen, and to
              think what nobody else has thought", Albert Szent-Gyorgi<br>
              <a href="http://www.numis.northwestern.edu" target="_blank">www.numis.northwestern.edu</a></div>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr" class="gmail_attr">On Mon, Aug 24, 2020,
              07:29 shamik chakrabarti <<a href="mailto:shamik15041981@gmail.com" target="_blank">shamik15041981@gmail.com</a>>
              wrote:<br>
            </div>
            <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
              <div dir="ltr">Dear Prof. Gavin,<br>
                <div><br>
                </div>
                <div>                       If I change a to b, b to c
                  & c to a to make alpha to beta, beta to gamma
                  & gamma to alpha the produced structure shows
                  unphysical RMTs for all the atoms.: 1 for Nb &
                  0.51 for Se. What to do?</div>
                <div><br>
                </div>
                <div>with regards,</div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">On Mon, 24 Aug 2020 at
                  16:07, Gavin Abo <<a href="mailto:gsabo@crimson.ua.edu" rel="noreferrer" target="_blank">gsabo@crimson.ua.edu</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
                  <div>
                    <p>The 4D is option 7 [
                      <a href="https://urldefense.com/v3/__https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg04931.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!FEEtwhA5ust8qZ33lpDr8XYIkrrX9Q-5dJZwtsegrpZeCBDX0vBodglHQ7hv6bvLE6WOCw$" rel="noreferrer" target="_blank">https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg04931.html</a>
                      ,
                      <a href="https://urldefense.com/v3/__https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg14255.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!FEEtwhA5ust8qZ33lpDr8XYIkrrX9Q-5dJZwtsegrpZeCBDX0vBodglHQ7hv6btgMniYYw$" rel="noreferrer" target="_blank">https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg14255.html</a>
                      ]:<br>
                    </p>
                    <p>[7] VARY A, B, C and Gamma (4D-case) (monoclinic
                      lattice)</p>
                    <p>I think that only worked correctly when the gamma
                      angle was the one that was greater than 90 (e.g.,
                      in your case it would likely need to be alpha=90
                      degrees, beta = 90 degrees, Gamma=104.15 degrees),
                      refer to:<br>
                    </p>
                    <p><a href="https://urldefense.com/v3/__https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg12124.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!FEEtwhA5ust8qZ33lpDr8XYIkrrX9Q-5dJZwtsegrpZeCBDX0vBodglHQ7hv6bvcYwvi9Q$" rel="noreferrer" target="_blank">https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg12124.html</a><br>
                    </p>
                    <p><br>
                    </p>
                    <div>On 8/23/2020 11:42 AM, shamik chakrabarti
                      wrote:<br>
                    </div>
                    <blockquote type="cite">
                      <div dir="ltr">Dear wien2k users,
                        <div><br>
                        </div>
                        <div>                        During 4D
                          optimization of a monoclinic system (file
                          attached) I have obtained an error as
                          described below;</div>
                        <div><br>
                        </div>
                        <div>'FERMI' - EFERMI OUT OF ENERGY RANGE<br>
                           'FERMI' - STOP IN EFI<br>
                           'FERMI' - ENERGY OF LOWER BOUND              
                            :  -4.50517                  <br>
                           'FERMI' - NUMBER OF STATES AT THE LOWER BOUND
                            :   0.00000                  <br>
                           'FERMI' - ENERGY OF UPPER BOUND              
                            :3003.00451                  <br>
                           'FERMI' - NUMBER OF STATES AT THE UPPER BOUND
                            : 112.00000                  <br>
                           'FERMI' - ADD  112.00000                    
                                                          <br>
                           'FERMI' - SOS
                          0.0000.0000.0000.0000.0000.0000.0000.0000.0003.156
                                      <br>
                           'FERMI' - NOS
                          **************************************************
                              </div>
                        <div>        <br>
                          <div> What is the meaning of this error &
                            how to get out of it?</div>
                          <div><br>
                          </div>
                          <div>I have two more queries:</div>
                          <div>(1) During 4D optimization, I am also
                            expecting the change in the value of Gamma,
                            but it remains the same along with all
                            structures produced by x optimize & also
                            in the case_default.struct the Gamma is not
                            changing. why so?</div>
                          <div><br>
                          </div>
                          <div>(2) In my structure, I have alpha=90
                            degree, beta = 104.15 degrees, Gamma=90
                            degree. Whether the code will change the
                            beta of my structure or I have to change the
                            lattice parameter a to b, b to c & c to
                            a to produce alpha to beta, beta to gamma
                            & gamma to alpha?</div>
                          <div><br>
                          </div>
                          <div>Looking forward to your reply in this
                            regard. Thanks in advance.</div>
                          <div><br>
                          </div>
                          <div>with regards, </div>
                          -- <br>
                          <div dir="ltr">
                            <div dir="ltr">
                              <div>
                                <div dir="ltr">
                                  <div dir="ltr">
                                    <div dir="ltr">
                                      <div dir="ltr">
                                        <div style="font-size:small">Dr.
                                          Shamik Chakrabarti</div>
                                        <div style="font-size:small">Research
                                          Fellow </div>
                                        <div style="font-size:small">Department
                                          of Physics</div>
                                        <div style="font-size:small">Indian
                                          Institute of Technology Patna</div>
                                        <div style="font-size:small">Bihta-801103</div>
                                        <div style="font-size:small">Patna</div>
                                        <div style="font-size:small">Bihar,
                                          India</div>
                                      </div>
                                    </div>
                                  </div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </blockquote>
                  </div>
                  _______________________________________________<br>
                  Wien mailing list<br>
                  <a href="mailto:Wien@zeus.theochem.tuwien.ac.at" rel="noreferrer" target="_blank">Wien@zeus.theochem.tuwien.ac.at</a><br>
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                  SEARCH the MAILING-LIST at:  <a href="https://urldefense.com/v3/__http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!FEEtwhA5ust8qZ33lpDr8XYIkrrX9Q-5dJZwtsegrpZeCBDX0vBodglHQ7hv6btS5vJXnA$" rel="noreferrer noreferrer" target="_blank">http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html</a><br>
                </blockquote>
              </div>
              <br clear="all">
              <div><br>
              </div>
              -- <br>
              <div dir="ltr">
                <div dir="ltr">
                  <div>
                    <div dir="ltr">
                      <div dir="ltr">
                        <div dir="ltr">
                          <div dir="ltr">
                            <div style="font-size:small">Dr. Shamik
                              Chakrabarti</div>
                            <div style="font-size:small">Research
                              Fellow </div>
                            <div style="font-size:small">Department of
                              Physics</div>
                            <div style="font-size:small">Indian
                              Institute of Technology Patna</div>
                            <div style="font-size:small">Bihta-801103</div>
                            <div style="font-size:small">Patna</div>
                            <div style="font-size:small">Bihar, India</div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
              _______________________________________________<br>
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                    <div style="font-size:small">Dr. Shamik Chakrabarti</div>
                    <div style="font-size:small">Research Fellow </div>
                    <div style="font-size:small">Department of Physics</div>
                    <div style="font-size:small">Indian Institute of
                      Technology Patna</div>
                    <div style="font-size:small">Bihta-801103</div>
                    <div style="font-size:small">Patna</div>
                    <div style="font-size:small">Bihar, India</div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:small">Dr. Shamik Chakrabarti</div><div style="font-size:small">Research Fellow </div><div style="font-size:small">Department of Physics</div><div style="font-size:small">Indian Institute of Technology Patna</div><div style="font-size:small">Bihta-801103</div><div style="font-size:small">Patna</div><div style="font-size:small">Bihar, India</div></div></div></div></div></div></div></div>