Figure includes only the lines from the earlier simulation that were tabulated with an assignment in the article. The comparison shows that both match well with the experiment. Both simulations also agree in the assignment of the first progression in the bending mode. The previous simulation, however, shows smaller spacing between the remaining lines, yielding much higher congestion of the spectrum. Additionally, the origin of the second state falls at lower energy (as compared to our simulation), which makes it align well with the peak that was assigned in the PFI-ZEKE experiment also as the origin of the second state.