Comment on “Fe2: As simple as a <i>Herculean</i> labour. Neutral (Fe2), cationic (Fe2+), and anionic (Fe2−) species” [J. Chem. Phys. <b>142</b>, 244304 (2015)]

A recent paper on Fe2 [A. Kalemos, J. Chem. Phys. 142, 244304 (2015)] critiqued our previous work on the system [Hoyer et al., J. Chem. Phys. 141, 204309 (2014)]. In this comment, we explain the nature of our previously reported potential energy curve for Fe2 and we discuss our computed properties for Fe2. Additionally, we fix a labeling error that was present in our previous work, although this error is unrelated to the main point of discussion.