<div dir="ltr"><div>Sayan Chaudhuri<br></div><div>Research Scholar<br></div>IIT Indore<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 15, 2017 at 2:19 PM, sayan chaudhuri <span dir="ltr"><<a href="mailto:csayan895@gmail.com" target="_blank">csayan895@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><div><div><div><div>Dear QE experts,<br><br></div> I am trying to calculate the mixing energy of my alloy system Fe2TiSn, a full heusler alloy. I have the following few questions regarding the same.<br></div>1. Is there any easier way(a module maybe) then calculate the energies of individual constituents and subtracting from the system energies?<br></div>2. When i am doing a relax calculation for Sn atom it is giving the following error,<br><b><br>Not enough space allocated for radial FFT: try restarting with a larger cell_factor</b><br><br></div>What can be the reason for this?<br></div>I am attaching my input and the output file. Please suggest me some solution to the problem.<br><br></div>
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