<DIV>Dear Wien developer and community,</DIV>
<DIV> </DIV>
<DIV>When I tried to do calculation on FeO and NiO (NaCl structure) with spin-orbit coupling, I met QTL-B problem by using WIEN2k_05. That is the QTL-B value is greater than 7, the program stops. I tried all instructions described in "WIEN2k-FAQ: The SCF cycle fails after a few iterations" and "-in1new" option, too. However the SCF cycle still fails after 2 iterations because of the QTL-B problem. Could you please give me some suggestions? How can I fix this problem?</DIV>
<DIV> </DIV>
<DIV>I have also another question is about the core charge leakage. According to the WIEN2k-FAQ, I can check <B>:NEC01</B> in case.scf whether too much charge is missing. But when I did this, I found the lines ":NEC01: NUCLEAR AND ELECTRONIC CHARGE 34.00000 33.99989 1.00000" for FeO calculation, but I don't understand what the last column 1.00000 means. Could you please tell me the meaning of 1.00000 here?</DIV>
<DIV> </DIV>
<DIV>Looking forward to your reply! Thanks in advance!</DIV>
<DIV> </DIV>
<DIV>Best,</DIV>
<DIV> </DIV>
<DIV>Stargmoon</DIV><p>
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