<div dir="ltr">Dear Tone Kokalj, <div><br></div><div>Thank You very much</div><div><br></div><div>Sincerely Aziz Fall</div></div><br><div class="gmail_quote"><div dir="ltr">On Sun, Nov 4, 2018 at 5:02 AM Tone Kokalj <<a href="mailto:tone.kokalj@ijs.si">tone.kokalj@ijs.si</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear Aziz<br>
<br>
Note that xcrysden is not able to parse "crystal_sg" coordinates in the<br>
pw.x input file. Do a "dry" pw.x run on your input and then visualize<br>
the output instead.<br>
<br>
Best regards, Tone<br>
-- <br>
J. Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia <br>
(tel: +386-1-477-3523 // fax: +386-1-251-9385)<br>
<br>
<br>
On Sat, 2018-11-03 at 16:48 -0400, Aziz Fall wrote:<br>
> Dear Pietro Davide Delugas <br>
> <br>
> Thank you very much for your kind reply. I tried running the input<br>
> file you sent me using xcrysden, but I get a weird error saying that<br>
> the <br>
> line = CR 3A 0.44444<br>
> At line 328 of file pwi2xsf.f <br>
> Fortran runtime error: Bad real number in item 1 of list input <br>
> <br>
> I have tried re-writing the file just in case there were some weird<br>
> hidden characters in the file, but that does not seem to work. Any<br>
> help would be very much appreciated. <br>
> <br>
> Thank You again,<br>
> Sincerely Aziz Fall.<br>
> <br>
> On Wed, Oct 31, 2018 at 5:11 AM Pietro Davide Delugas <pdelugas@sissa<br>
> .it> wrote:<br>
> > Dear Aziz <br>
> > <br>
> > you can use the CIF file coordinates directly using the<br>
> > crystal_sg format for the coordinates in atomic positions, and<br>
> > specify the space_group number in the system namelist ( please look<br>
> > at the input documentation ). <br>
> > <br>
> > This information is all contained in the CIF file. You were also<br>
> > using the wrong ibrav, <br>
> > if you look at the axes angles you can see that A and B axes are<br>
> > orthogonal to C axis and they form a 120 angle between them so I<br>
> > guess should be ibrav=4 not 5. <br>
> > <br>
> > Other thing for the CIF files includes 3 coordinates even for the<br>
> > 3a positions, 2 of them are redundant and I don't know why the<br>
> > programs stops instead of ignoring them so you have to take them<br>
> > off the input. <br>
> > <br>
> > You can find more information about any wyckoff position in this<br>
> > site <br>
> > <br>
> > <a href="http://www.cryst.ehu.es/cryst/get_wp.html" rel="noreferrer" target="_blank">http://www.cryst.ehu.es/cryst/get_wp.html</a><br>
> > <br>
> > I attach an input file with Wyckoff position for your case, I hope<br>
> > it works<br>
> > <br>
> > regards - Pietro <br>
> > <br>
> > <br>
> > On 10/30/2018 09:30 PM, Aziz Fall wrote:<br>
> > > Dear Quantum Espresso team, <br>
> > > <br>
> > > I am a researcher from the University of Michigan Ann Arbor. I am<br>
> > > still fairly new to Quantum Espresso. I have been recently trying<br>
> > > to run a band structure calculation of CrI3. The first step I<br>
> > > took was to write the scf input file for CrI3 and plug in all of<br>
> > > the cell parameters and atomic positions from a corresponding CIF<br>
> > > file that I downloaded from Springer. But when I visualize the<br>
> > > scf file in XCrysden it gives me the wrong atomic structure, even<br>
> > > though the atomic positions I put into it are from the cif file.<br>
> > > Any help in solving this problem would be greatly appreciated. I<br>
> > > have attached both my scf and cif files below. <br>
> > > <br>
> > > <br>
> > > Thank You,<br>
> > > Sincerely Aziz Fall <br>
> > > <br>
> > > <br>
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</blockquote></div>