<div dir="auto">N.B., if you want to see if there is, for instance, a JT or similar distortion of the cubic you would have to break symmetry. Think what the symmetry of a cubic structure is...<br><br><div data-smartmail="gmail_signature">_____<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">www.numis.northwestern.edu</a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jun 14, 2020, 16:35 Laurence Marks <<a href="mailto:laurence.marks@gmail.com">laurence.marks@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div style="font-family:sans-serif" dir="auto">To repeat, in cubic all your atoms are at high symmetry sites so internal relaxation is not possible. User error, the program is telling you. Please think it through.</div><div dir="auto" style="font-family:sans-serif"><br></div><div dir="auto" style="font-family:sans-serif">N.B., to compare at the end you will need to convert everything to the smallest RMTs.</div><br><div data-smartmail="gmail_signature">_____<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" rel="noreferrer">www.numis.northwestern.edu</a></div></div>
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