<div dir="auto"><div>Depending upon how you do the replacement it is very possible that a smaller cell with a different spacegroup has been found.</div><div dir="auto"><br></div><div dir="auto">No indication that you are doing something wrong. Then again, you might be if you are incorrectly representing what is in experiment. That is your task to determine.<br><br><div data-smartmail="gmail_signature" dir="auto">_____<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><br><div class="gmail_quote" dir="auto"><div dir="ltr" class="gmail_attr">On Sun, Jan 24, 2021, 14:32 Serhat Ayık <<a href="mailto:aserhatayik@gmail.com">aserhatayik@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 dir="ltr">Dear Wien2k users,</div><div dir="ltr">In my original struct file, I have (B Lattice) 3 non equiv. atoms (Chemical form: AgInS2), space group 122_I-42d, and 8 number of symmetry operations.<div>I do 2x2x2, P lattice type supercell and I have 48 non equiv. (16 Ag, 16 In, 16 S) atoms. I want chemical form like AgAl(0.5)In(0.5)S2. I am replacing 8 In atoms with 8 Al atoms. Finally, I have 16 Ag, 8 Al, 8 In and 16 S in struct file.<br></div><div>Then, I do </div><div>- x nn (nn-bondlength factor:2)</div><div>copy case.struct_nn to case.struct. (After this step, I have 7 atoms "2 Ag, 1 Al, 1 In, 3 S" in case.struct)</div><div>- repeat x nn</div><div>- x sgroup </div><div>warning: !!! Number of inequivalent atoms has changed. !!! Old value= 48 New value= 7 warning: !!! Unit cell has been reduced.</div>sgroup found: 17 (P 2 2 21) <div><br></div><div>I think the space group shouldn't change. </div><div dir="auto">Is it true that the space group changes? Or am I making a mistake somewhere?<br></div><div dir="auto"><br></div><div dir="auto">Regards</div><div><br><div><br></div><div><br></div><div><br></div><div> </div><div><br></div></div></div></div>
_______________________________________________<br>
Wien mailing list<br>
<a href="mailto:Wien@zeus.theochem.tuwien.ac.at" target="_blank" rel="noreferrer">Wien@zeus.theochem.tuwien.ac.at</a><br>
<a href="https://urldefense.com/v3/__http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien__;!!Dq0X2DkFhyF93HkjWTBQKhk!F2F-jN0rxp1fNVBKZK19GJ_HXHUucrTc-Bf1BpS0c47h8WEXSU3Hs8ccvyHHLlg0oVRIRg$" rel="noreferrer noreferrer" target="_blank">https://urldefense.com/v3/__http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien__;!!Dq0X2DkFhyF93HkjWTBQKhk!F2F-jN0rxp1fNVBKZK19GJ_HXHUucrTc-Bf1BpS0c47h8WEXSU3Hs8ccvyHHLlg0oVRIRg$</a> <br>
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!F2F-jN0rxp1fNVBKZK19GJ_HXHUucrTc-Bf1BpS0c47h8WEXSU3Hs8ccvyHHLlgGF0oFlA$" rel="noreferrer noreferrer" target="_blank">https://urldefense.com/v3/__http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html__;!!Dq0X2DkFhyF93HkjWTBQKhk!F2F-jN0rxp1fNVBKZK19GJ_HXHUucrTc-Bf1BpS0c47h8WEXSU3Hs8ccvyHHLlgGF0oFlA$</a> <br>
</blockquote></div></div></div>