We performed MCTDH and ML-MCTDH quantum wavepacket dynamics on the 10dimensional SBH model system. The Hermite DVR is used for the primitive basis, and the Harmonic Oscillator (HO) eigenfunctions are chosen as the initial wavefunction. The initial wavepacket is placed at 𝑅 𝑖 = 0 of the corresponding modes on the first diabatic state, 𝑉 11 𝑑𝑖𝑎 . The integration timestep is set to 0.1 fs in both methods, and the integration is performed up to 50 ps (10 5 timesteps/simulation).