Accurate Adiabatic and Diabatic Potential Energy Surfaces for the Reaction of He + H₂

Table 3

Spectroscopic constants for H₂.

()	(Å)	(cm^-1)	(cm^-1)
This work	0.742	35726.3706	37940.0582
Lee’s work [49]	0.743	35687	37868
Yuan’s work [50]	0.7414		38313.2
He’s work [51]	0.7418		38186.2
Expt.	0.742 [52]	36118.06 [53]	38288 [52]

(Å): the equilibrium bond length of the H₂, the unit is Å. (cm^-1): the experimental dissociation energy of the H₂, the unit is cm^-1. (cm^-1): the equilibrium dissociation energy of the H₂, the unit is cm^-1.