MORSE POTENTIAL
Diatomic Molecule Vibration · Anharmonic Energy Levels
Well depth D
e
(eV)
2.0
Width α (Å⁻¹)
1.8
Equilibrium r
e
(Å)
1.2
Show levels
6
V(r) = D
e
(1 − e
−α(r−r
e
)
)² − D
e
| E
n
= ℏω
e
(n+½) − ℏω
e
χ
e
(n+½)² | Anharmonicity χ
e
= ℏω
e
/(4D
e
) leads to dissociation at finite energy.