<div id="ymail_android_signature">Dear S. Chakrabarti,</div><div id="ymail_android_signature">It is clear with this information we can not help you.</div><div id="ymail_android_signature">Send your original struct file (SnSe2.struct) along with all scf files related to C33 calculations as well as papers about elastic constants of SnSe2 compound.</div><div id="ymail_android_signature"><br></div><div id="ymail_android_signature">How have you calculated elastic constants of SnSe2??</div><div id="ymail_android_signature">Have you optimized lattice parameters , Rkmax, number of kpoint and...??</div><div id="ymail_android_signature"><br></div><div id="ymail_android_signature">What is your exchange-correlation??</div><div id="ymail_android_signature"><br></div><div id="ymail_android_signature">Have you converged Charge and Energy??</div><div id="ymail_android_signature">....</div><div id="ymail_android_signature"><br></div><div id="ymail_android_signature">With best,</div><div id="ymail_android_signature">Morteza</div><div id="ymail_android_signature"><br></div><blockquote style="margin: 0 0 20px 0;"> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> <div id="yiv8489080062"><div dir="ltr"><br><br><div class="yiv8489080062gmail_quote"><div dir="ltr" class="yiv8489080062gmail_attr">---------- Forwarded message ---------<br>From: <strong class="yiv8489080062gmail_sendername">shamik chakrabarti</strong> <span><<a rel="nofollow noopener noreferrer" ymailto="mailto:shamik15041981@gmail.com" target="_blank" href="mailto:shamik15041981@gmail.com">shamik15041981@gmail.com</a>></span><br>Date: Sun, 4 Aug 2024 at 14:02<br>Subject: Query regarding elastic constants of SnSe2<br>To: A Mailing list for WIEN2k users <<a rel="nofollow noopener noreferrer" ymailto="mailto:wien@zeus.theochem.tuwien.ac.at" target="_blank" href="mailto:wien@zeus.theochem.tuwien.ac.at">wien@zeus.theochem.tuwien.ac.at</a>><br></div><br><br><div dir="ltr">Dear Wien2k users,<div><br></div><div> I have simulated elastic constants of SnSe2 using IRElast Package interfaced with wien2k. I have obtained 5 constants as;</div><div>c11=94.575, c12=27.192, c13=23.2555, c33=102.7 and c55=22.384 </div><div>However, in literature, it is indicated that there are 6 constants;</div><div>c11=111, c12=33.39, c13=33.08, c33 = 22.63, c44=44.48, c66= 38.80.</div><div><br></div><div>My queries are ;</div><div>(1) I have obtained c55 (with 5 constants) while literature shows c44 & c66 (with 6 constants). Why?</div><div>(2) There is a big mismatch in the value of C33. Why?</div><div><br></div><div>Looking forward to hearing from you.</div><div><br></div><div>with regards,<br clear="all"><div><br></div><span class="yiv8489080062gmail_signature_prefix">-- </span><br><div dir="ltr" class="yiv8489080062gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:small;">Dr. Shamik Chakrabarti</div><div style="font-size:small;">Research Fellow </div><div style="font-size:small;">Department of Physics</div><div style="font-size:small;">Indian Institute of Technology Patna</div><div style="font-size:small;">Bihta-801103</div><div style="font-size:small;">Patna</div><div style="font-size:small;">Bihar, India</div></div></div></div></div></div></div></div></div></div>
</div><br clear="all"><div><br></div><span class="yiv8489080062gmail_signature_prefix">-- </span><br><div dir="ltr" class="yiv8489080062gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:small;">Dr. Shamik Chakrabarti</div><div style="font-size:small;">Research Fellow </div><div style="font-size:small;">Department of Physics</div><div style="font-size:small;">Indian Institute of Technology Patna</div><div style="font-size:small;">Bihta-801103</div><div style="font-size:small;">Patna</div><div style="font-size:small;">Bihar, India</div></div></div></div></div></div></div></div></div>
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