“…The substitution of hydrogen for deuterium in water has strong impact on its dynamic properties, such as viscosity, [1][2][3][4][5] translational and rotational self-diffusion, 5,6 resonance frequency of molecular vibrations, 5,7 echo decay time for hydrogen-bond vibrations obtained from Raman-terahertz (THz) spectroscopy, 8 as well as dipole-dipole correlation times measured by dielectric relaxation [9][10][11][12][13][14][15] and THz time-domain spectroscopies. [16][17][18] Relative to light water (H 2…”