<div>Hi,well-beloved prof. Georg,</div>
<div> Thank you very much for your reply. Why is the Rkmax 9? In the FAQ, it says that one should use identical RMT, RKMAX with the compound, but only 1 k-point and spinpolarization (for non-closed shell atoms). The Rmt and Rkmax in VSi2 are
7.0 and 2.2 for V and 7.0 and 2.0 for Si, respectively. Therefore, the Rmt and Rkmax for V and Si should be 7.0 (7.0) and 2.2 (2.0), respectively. Do you think so? Thank you for your time.</div>
<div> Best regards.</div>
<div> Yours sincerely,<br> Jian Zhu<br> </div>
<div><span class="gmail_quote">2006/6/23, <a href="mailto:georg@chem.au.dk">georg@chem.au.dk</a> <<a href="mailto:georg@chem.au.dk">georg@chem.au.dk</a>>:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Hi<br><br>Well, that depends whether it is pr atom pr unit cell or whatever. Some typical<br>values for small systems can be found in PRB, 57, p2134.
<br><br>One thing that you should be aware of is that the method for calculating atomic<br>energies that is in the FAQ requries very large matrix sizes.<br>If you do an atom with Rkmax=9 and Rmt=2 in a 30x30x30 FCC unit cell it
<br>corresponds to an matrix size larger than 10000 (which requires at least 1Gb<br>memory). Is your NMATMAX correctly set for this? Otherwise it will have been<br>reduced. Watch out for warnings in the scf file.<br><br>Best wishes
<br> well-beloved Georg<br><br>Quoting Colin <<a href="mailto:wien2kemail@gmail.com">wien2kemail@gmail.com</a>>:<br><br>> Hi, well-beloved Prof. Blaha and wien2k users,<br>> The cohesive energy of VSi2 I calculated is -
4.077255 Ry. Is the value<br>> of cohesive energy normal? Thank you very much for your any advice.<br>> Best regards.<br>><br>> Yours<br>> sincerely,
<br>><br>> Jian<br>> Zhu<br>><br>> --<br>> Scoool of Materials Science and Engineering<br>> Central South University<br>> Jian Zhu<br>>
<br><br><br>--<br>Georg Madsen<br>Department of Chemistry<br>Aarhus University<br>DK-8000 Århus C<br>Denmark<br>tlf (+45) 89423885<br><a href="http://www.chem.au.dk/~webuorg/gm">http://www.chem.au.dk/~webuorg/gm</a><br>_______________________________________________
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</a><br></blockquote></div><br><br clear="all"><br>-- <br>Scoool of Materials Science and Engineering<br>Central South University<br>Jian Zhu