Dear SIESTA experts, For Fe, I noticed that the available pseudopotential from the siesta website only includes 4s2 and 3d6 electrons. But in some published works with other codes, 3p6 electrons are also included. I suppose that it is more accurate with more electrons taken into account. Where can I find those pseudopotentials with more electrons or should I construct one by myself? This happens to a lot of metals, is it accurate to just use those pseudopotentials from the SIESTA website to describe metal behavior? I would really appreciate your help! Thank you!
Sincerely, -- Tan SHI
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