Details

Autor(en) / Beteiligte

• Gaiduk, V. I.
• Tseitlin, B. M.

Titel

The relation between the structure and Far-IR spectra of water

Ist Teil von

• Journal of communications technology & electronics, 2008-06, Vol.53 (6), p.611-621

Ort / Verlag

Dordrecht: SP MAIK Nauka/Interperiodica

Erscheinungsjahr

2008

Quelle

SpringerLink

Beschreibungen/Notizen

• The dielectric response of elastic vibrations of water molecules along H bonds is analyzed in terms of the model of harmonic oscillators. It is demonstrated that this response corresponds to the submillimeter wavelength range and the translational band in the far-IR spectral range. The spectra of permittivity of light and heavy water are analytically calculated in a wide spectral range (0–1000 cm −1 ) of the orientational-translational relaxation containing the microwave Debye and far-IR librational bands in addition to the aforementioned bands. For the far-IR librational band, the librational motion of rigid dipoles in a relatively narrow and deep hatpotential well is considered. The molecular configurations that allow such librations are schematically presented. A concept that establishes a relation between the dielectric properties of water and the proton hopping from one H-bonded molecule to another is proposed.