The change of static dielectric constant (ε) and dipole moment fluctuations (⁠$⟨M2⟩$ and $⟨M⟩2$⁠) with time during 1 ns MD-NVT simulations at T = 298 K and ambient pressure. After 300 ps, the values of $ε$ and $⟨M2⟩$ reach to a plateau and $⟨M⟩2$ becomes negligible.