<div dir="ltr">

<p class="MsoNormal"><span style="font-size:8pt;line-height:115%;font-family:"Times New Roman","serif"">Dear Prof.Blaha & Tran</span></p>

<p class="MsoNormal"><span style="font-size:8pt;line-height:115%;font-family:"Times New Roman","serif"">I have calculated optimization of supercell (1*1*2).
But Energy vs Volume is linear!</span></p>

<p class="MsoNormal"><span style="font-size:8pt;line-height:115%;font-family:"Times New Roman","serif"">case.outputeos:</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:10.5pt;font-family:"Courier New""><span style="mso-spacerun:yes">   </span>10575.3364<span style="mso-spacerun:yes">  
</span>-88567.151612<span style="mso-spacerun:yes">    </span><br>
<span style="mso-spacerun:yes">   </span>11162.8553<span style="mso-spacerun:yes">   </span>-88566.366642<span style="mso-spacerun:yes">     </span><br>
<span style="mso-spacerun:yes">   </span>12925.4112<span style="mso-spacerun:yes">   </span>-88561.471064<span style="mso-spacerun:yes">    </span><br>
<span style="mso-spacerun:yes">   </span>11750.3745<span style="mso-spacerun:yes">   </span>-88565.095045<span style="mso-spacerun:yes">    </span><br>
<span style="mso-spacerun:yes">   </span>12337.8929<span style="mso-spacerun:yes">   </span>-88563.437182<span style="mso-spacerun:yes">     </span></span><span style="font-size:8pt;line-height:115%;font-family:"Times New Roman","serif""></span></p>

<p class="MsoNormal"><span style="font-size:8pt;line-height:115%;font-family:"Times New Roman","serif"">Is this normal?<span style="mso-spacerun:yes"> 
</span>If no what is reason? What do I do?</span></p>

<p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal"><span style="font-size:8pt;font-family:"Times New Roman","serif"">Please help me</span></p>

<p class="MsoNormal"><span style="font-size:8pt;line-height:115%;font-family:"Times New Roman","serif"">Best Regards</span></p>

<br clear="all"><br>-- <br><div class="gmail_signature">Marzieh Ghoohestani<br>PhD Student of Computational Nano Physics<br>Nano Research Center, Department of Physics<br>University of Technology, Isfahan, Iran<br><br></div>
</div>