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<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif"">Dear User and expert</p>

<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif""><span> 
</span><span> </span>We would like to calculate
magnetic moment<span>  </span>for ErFe2 <span> </span>compound this system is Ferrimagnetic <span>  </span>to the best of our <span> </span>knowledge it can be handled<span>  </span>by <span> </span>partially inverted magnetic moments in the Wien2k
<span>  </span>calculations.<span>  </span>For this system we have found a reference to
a possible non-collinear magnetic structure in ErFe2 compound<span>   </span><span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;font-family:"Times New Roman","serif";color:black">Magnetic
and magnetocaloric properties of Er(Co1_xFex)2 intermetallic<span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;font-family:"Times New Roman","serif";color:black">Compounds
I. Chaaba<span>  </span>et al </span><span style="font-size:12pt;font-family:"Times New Roman","serif";color:rgb(0,128,174)"><span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif""><a href="http://dx.doi.org/10.1016/j.jmmm.2017.05.033" style="color:blue;text-decoration:underline"><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif"">http://dx.doi.org/10.1016/j.jmmm.2017.05.033</span></a><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif""><span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif""><a href="http://refhub.elsevier.com/S0304-8853(17)30742-4/h0125" style="color:blue;text-decoration:underline"><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif"">http://refhub.elsevier.com/S0304-8853(17)30742-4/h0125</span></a><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif""><span></span></span></p>

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<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif"">The magnetic moment per formula unit
is about 5.7 Bohr magnetons as reported by<span> 
</span><span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 0.0001pt;line-height:normal;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;font-family:"Times New Roman","serif"">Molecular-field
theory analysis of RFe, intermetallic compounds<span></span></span></p>

<p class="MsoNormal" style="line-height:normal;margin:0in 0in 10pt;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;font-family:"Times New Roman","serif"">Y.J. Tang, et
al <span></span></span></p>

<p class="MsoNormal" style="line-height:normal;margin:0in 0in 10pt;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;font-family:"Times New Roman","serif"">Journal of
Magnetism and Magnetic Materials 127 (1993) 378-382<span>   </span><span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif""><b>My question is:</b> is there an option
in the Wien2k code to allow for handling such magnetic structure?<span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif""><span> </span>Thank You   in advance <span></span></span></p>

<p class="MsoNormal" style="margin:0in 0in 10pt;line-height:115%;font-size:11pt;font-family:"Calibri","sans-serif""><span style="font-size:12pt;line-height:115%;font-family:"Times New Roman","serif"">Sherif<span>  </span>Yehia<span></span></span></p>

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