<div dir="ltr"><div><div>Dear Pranay Biswas,<br><br></div>A quick look at wikipedia shows that the Fm3m is a face centered space group. <br><a href="https://en.wikipedia.org/wiki/Cubic_crystal_system">https://en.wikipedia.org/wiki/Cubic_crystal_system</a><br>Hence it would be ibrav =2 as shown in the pw.x input documentation.<br><a href="http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PW.html">http://www.quantum-espresso.org/wp-content/uploads/Doc/INPUT_PW.html</a><br></div><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jul 5, 2016 at 4:10 PM, pranay biswas <span dir="ltr"><<a href="mailto:pranayinform@gmail.com" target="_blank">pranayinform@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>respected all</div><div><br></div>          whats the 'ibrav' value to be used for calcium titanate cubic system ,space goup fm3m.<div>regards </div><div>P. Biswas</div><span class="HOEnZb"><font color="#888888"><div><div><br></div>-- <br><div data-smartmail="gmail_signature"><div dir="ltr"><b>Pranay Biswas</b><div><b>email- <a href="mailto:pranayinform@gmail.com" target="_blank">pranayinform@gmail.com</a></b></div><div><b>mob- +918116780033</b></div></div></div>
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