A more lucid understanding is attained through an analysis of the modewise imaginary permittivity. Considering that the DPMD model considers particles only within a 6 Å cutoff, it is surprising that the primary relaxation dynamics preserve exponential characteristics and align well with the experimental data. This good consistency likely originates from the short-range interactions propagating through the entangled HB network, reaching particles beyond the cutoff. Indeed, a recent work by Hölzl, Forbert, and Marx states that neither significant contribution of cage effects nor local diffusive motions are relevant to the dielectric phenomena . ‡ Owing to the split nature of the primary relaxation, the secondary mode is numbered as three. Therefore, this corresponds to a Debye relaxation rather than a damped harmonic oscillator. The final damped harmonic oscillator is omitted due to its spectral amplitude being determined as 1.5 × 10 -12 , substantiating the absence of additional resonances.