<div dir="ltr">Also...When I am running the simulation for simple case like Li, nlvdw works fine. The error is showing for big structures as has been attached in the earlier mail. Is it related to large IFFT parameter in case.in0 as came by default for Li-Sn alloy.........<br><div><br></div><div>Looking forward to your reply eagerly.</div><div><br></div><div>with regards,</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 16 Feb 2020 at 12:37, shamik chakrabarti <<a href="mailto:shamik15041981@gmail.com">shamik15041981@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Dear Wien2k users,<div><br></div><div> I was trying to simulate structural optimization of an Li-Sn alloy using nlvdw functional
<b>rev-vdW-DF2. </b>I have successfully used this functional for other simple structures like SnS2.<b> </b>However, I have encountered an error in the first cycle as "Error in NLVDW" this time. I have attached the struct file herewith this mail. </div><div><br></div><div>Looking forward to hearing from you. However, if any other information is required, please let me know. Thanks in advance.</div><div><br></div><div>with regards,</div><div><br>-- <br><div dir="ltr"><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>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_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>