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<p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-bogus="true" id="_mce_caret"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Hi,<br></span></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">i want to do scf calculations on BaFe2As2. In order to find a suitable ecutwwc I look for a convergency for <br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">the total energy with respect to the ecutwfc.<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Using an ultrasoft pseudopotential for iron (Fe.pbe-nd-rrkjus.UPF) I achieved convergency without problems. <br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" constructor="function Object() {
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}"><span data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Unfortunately I whant to use the Yambo program to calculate linear response. Therefore I need to use Normconserving Pseudos.<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">By using the normconserving pseudo Fe.pbe-sp-mt_gipaw.UPF I can't achieve convergency, even not at ecutwfc of 460 (although I use the kgrid 8 8 8).<br></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">I used this Pseudopotential already to simulate CaFe2As2. In this case I achieved convergency (but it was on another computer) but with a huge ecutwfc of 260.<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">What's wrong with this Pseudopotential? Why is it not suitable?<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"><br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Whould it be a better idea to use the Normconserving pseudo Fe.pbe-mt_fhi.UPF? The Pseudopotential Fe.pbe-sp-hgh.UPF would not be suitable since also I whant to have PDOS.<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Here you see my input-file<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"><br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"><br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">&CONTROL<br> title = 'BaFe2As2_20K' ,<br> calculation = 'scf' ,<br> wf_collect = .false. ,<br> outdir = './' ,<br> wfcdir = './',<br> pseudo_dir = '/home/espresso-5.1/pseudo/' ,<br> prefix = 'BaFe2As2_20K' ,<br> <br> /<br> &SYSTEM<br> ibrav = 10,<br> A = 5.5742 ,<br> B = 5.6146 ,<br> C = 12.9453 ,<br> cosAB = 0 ,<br> cosAC = 0 ,<br> cosBC = 0 ,<br> nat = 5,<br> ntyp = 3,<br> ecutwfc = 460 ,<br> occupations = 'smearing' ,<br> degauss = 0.02 ,<br> smearing = 'gaussian' ,<br> exxdiv_treatment = 'gygi-baldereschi' ,<br> /<br> &ELECTRONS<br> conv_thr = 1.0D-8 ,<br> /<br>ATOMIC_SPECIES<br> Ba 137.33000 Ba.pbe-mt_fhi.UPF <br> Fe 55.84700 Fe.pbe-sp-mt_gipaw.UPF <br> As 74.92200 As.pbe-hgh.UPF <br>ATOMIC_POSITIONS angstrom <br> Ba 0.000000000 0.000000000 0.000000000 <br> Fe 1.393550000 1.403650000 3.236325000 <br> Fe 1.393550000 4.210950000 3.236325000 <br> As 0.000000000 0.000000000 4.580047140 <br> As 0.000000000 0.000000000 8.365252860 <br>K_POINTS automatic <br> 8 8 8 0 0 0 </span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"><br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"><br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Thanks and Regards<br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;"><br data-mce-bogus="1"></span></p><p style="padding: 0; margin: 0;" data-mce-style="padding: 0; margin: 0;"><span style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;" data-mce-style="font-size: 10pt; font-family: tahoma,arial,helvetica,sans-serif;">Stephan <br data-mce-bogus="1"></span></p><pre style="null"><br></pre>
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