Likewise, we would expect roughly equal reactivity of the nitrogen atoms for the buried state though its orientation makes one nitrogen more available to protons than the other. The standing state would theoretically be most reactive towards an electrophilic proton because of the large negative charge on its nucleophilic nitrogen. However, its orientation is such that this nitrogen atom is more proximal to the lithium and thus is less available for protonation than its distal electrophilic nitrogen atom. The adsorbed state, which was the second most abundant state, in principle has both nitrogen atoms accessible for protonation, though its low magnitude in charge ratio likely leaves its reactivity to protons lacking. with the ratio of charges on the nitrogen molecule (Pearson correlation of 0.68). A similar phenomenon is observed in the standing state which has both a higher average charge on the nitrogen molecule and ratio of charge between its nitrogen atoms. For the more stable buried state, we observe a weak negative correlation between the bond length changes and the charge ratio on the nitrogen atoms and for the embedded state (Pearson correlation of 0.11). Thus, for this state the bond length changes are largely independent of the ratio.