<div>Hi,professor Cottenier,</div>
<div> Thank you very much for your reply. In the case.scf,does the line "Energy to separate semicore and valencestates: 0.10462" of the last cycle also give me the EMIN?</div>
<div> Best regards.</div>
<div> Yours sincerely,</div>
<div> Z.J.<br><br> </div>
<div><span class="gmail_quote">2006/2/21, Stefaan Cottenier <<a href="mailto:Stefaan.Cottenier@fys.kuleuven.be">Stefaan.Cottenier@fys.kuleuven.be</a>>:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>> When calculating the electron density plots,the EMIN in case.in2<br>> must be set a proper value to truncate the semicore
states.I know the<br>> value of case.in2 can be determined by checking the case.scf.However,I<br>> don't know which contents of case.scf indicate the information.Who<br>> would like to give me a hint?<br><br>First of all, this energy is usually in the range -
1.5 -> -0.5 Ry. You<br>can determine it by looking at the eigenvalues in case.scf:<br><br>:RKM : MATRIX SIZE 2166LOs: 236 RKM= 6.40 WEIGHT= 1.00 PGR:<br> EIGENVALUES ARE:<br> -6.2191895 -6.2191751 -6.1209406
-6.1205222 -6.1205139<br> -6.1205112 -5.8676234 -5.8676055 -5.7857617 -5.7852466<br> -5.7852442 -5.7852361 -3.7465785 -3.7465092 -3.7462180<br> -3.7461460 -3.7459323 -3.7458631 -
3.6856503 -3.6848558<br> -3.6842862 -3.6840178 -3.6400428 -3.6378796 -3.6363038<br> -3.6362286 -3.6278587 -3.6278232 -3.6273116 -3.6264419<br> -3.4068146 -3.4067105 -3.4066147 -3.4065105
-3.4059788<br> -3.4058750 -3.3422051 -3.3409119 -3.3401573 -3.3395708<br>(etc)<br><br>By knowing the multiplicity and the Z of all your atoms, you can assign<br>to which state all energies belong, at least as long as they are not too
<br>much hybridized. Hence, the energy you are looking at is the one that<br>separates the eigenvalues for which such assignment is possible, and the<br>ones for which it is not.<br><br>Much easier is to plot the DOS over a broad range, and see visually
<br>where the region with sharp peaks ends and becomes a region with<br>broadened features.<br><br>Stefaan<br><br><br>Disclaimer: <a href="http://www.kuleuven.be/cwis/email_disclaimer.htm">http://www.kuleuven.be/cwis/email_disclaimer.htm
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