I have a rather large unit cell(160 atoms that take up the entirety of the space - symmetry doesn't let me shrink the cell as far as I know)...
My question is: Should scf accuracy be going down with each iteration? I don't have much experience on large systems and I'm wondering if I'm wasting my time on this calculation(which is still ongoing). I've cherry picked a few data points below to show you my dilemma. Iteration SCF accuracy: 10th < 10.8 Ry 20th < 14 Ry 21st < 618 Ry 50th < 644 Ry 64th < 207Ry 65th < 469 Ry
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