Dear QE developers and experts
I am trying to do third order force constant calculation in a 3x3x3 supercell. I have 190 input files and I am continuing the scf runs for each. I have set the convergence criteria 1.0E-10. However SCF run doesn't stop after this is achieved. As copied below ethr went to 10^-11 at 108 th step and decreased 10^-14 by 900th step. But didn't stop. My problem is why this is happening and how to control the convergence criteria to meet the given threshold.? I played with mixing_mode, mixing_ndim etc... but it didn't help Thank you Jayangani
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