E. When they are carrying out a geom opt, then they aren't undertaking IBRION=0 and their quote does not apply. Should they be executing IBRION=0, then they don't seem to be performing a geometry optimization). $endgroup$ Tyberius To work with this function with Dataset.map the same caveats implement as with https://letters-of-credit83838.blogzet.com/the-greatest-guide-to-icc-trade-rules-52770155