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<p>Libxc (<a title="https://www.tddft.org/programs/libxc/
Ctrl+Click or tap to follow the link" href="https://www.tddft.org/programs/libxc/">https://www.tddft.org/programs/libxc/</a>) is an external program that has to be installed before compiling lapw0.
More informations are given in the WIEN2k user's guide.</p>
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<div id="divRplyFwdMsg" dir="ltr"><font color="#000000" face="Calibri, sans-serif" style="font-size: 11pt;"><b>From:</b> Wien <wien-bounces@zeus.theochem.tuwien.ac.at> on behalf of shamik chakrabarti <shamik15041981@gmail.com><br>
<b>Sent:</b> Sunday, February 2, 2020 8:52 AM<br>
<b>To:</b> A Mailing list for WIEN2k users<br>
<b>Subject:</b> [Wien] nlvdw for SnS2</font>
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<div>Dear Sir,</div>
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<div> I have started to optimize the structural parameter of SnS2 with non-local vanderwaals functionals. However when I edit case.in0 to put XC_GGA_X_B86_R EC_LDA VC_LDA, lapw0 error appeared with LIBXC not installed. I am using wien2k 19.1. Is it
that we have to install the XC functional separately or whether I am doing something wrong?</div>
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<div>Now, I am running the structure optimization with XC_PBESOL in case.in0. Again whether am I doing something wrong?</div>
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<div>with regards,
<div class="gmail-yj6qo gmail-ajU">
<div tabindex="0" class="gmail-ajR" id="gmail-:1ep"><img class="gmail-ajT" src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif"></div>
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<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>
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