Incoming links: Born-Oppenheimer approximation
Can we make any ab initio predictions about it all?
A 2016 paper: aip.scitation.org/doi/abs/10.1063/1.4948309
Quantum Chemistry 10.1 - Hydrogen Molecule Hamiltonian by TMP Chem (2016)
Source. Continued in the following videos, uses the Born–Oppenheimer approximation. Does not give predictions vs experiment?