<div dir="ltr">Dear P. Bala<div>I did not select the spin. sometime I got negative values. What number of k-points i should select then? </div><div>Kind regards</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jan 11, 2015 at 5:18 AM, Peter Blaha <span dir="ltr"><<a href="mailto:pblaha@theochem.tuwien.ac.at" target="_blank">pblaha@theochem.tuwien.ac.at</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Did you make a spin-polarized calculation ???<br>
C44 gets soft without magnetism (phase transition to non-magnetic fcc/hcp Fe)<br>
<br>
And 3000k (in the full BZ) for Fe ??? Very inaccurate.<br>
<br>
Am 10.01.2015 um 18:42 schrieb Muhammad Sajjad:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">
Dear Users<br>
<br>
I am using WINE2K 11 version and computing elastic constants for Fe.<br>
<br>
The computed elastic constants are<br>
c11 = 304.760951<br>
c12 = 118.317319<br>
c44 = 367.255487<br>
<br>
I want to compare these values with<br>
C11 = 297.83 GPa, C12 = 141.89 GPa, C144 = 106.73 GPa<br>
<br>
Please suggest the possible solution. I have used 3000 as well as 5000 k-points. In all kinds of calculation, the potential WC.GGA is used. Also I used the structure<br>
(attached here with) downloaded from COD crystallography site.<br>
True Regards<br>
Dr. Sajjad<br>
<br>
<br></div></div><span class="">
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Peter Blaha<br>
Inst. Materials Chemistry, TU Vienna<br>
Getreidemarkt 9, A-1060 Vienna, Austria<br>
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