Hello MP admin,
I note some more inconsistencies of the E_above_hull and the phase diagram construction.
E.g. If you look at
Mn2S3 mp-974355: the entry pages give a E_above_hull 0f 0.000 eV. But the Phase Diagram App shows the same phase/composition as metastable.
It seems the bug is largely associated with systems that two elements (O, S, N, halogens, H, TMs) need to be corrected. For example, many mixed anion compounds seem to have this issue, so as some H+anion and TM+anion systems.
It seems the issue being that multiple correction terms (when two or more are needed) are not applied consistently somehow?