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High-Resolution Study of the First Hexad of D(2)O.
1Open Laboratory of Bond Selective Chemistry, University of Science and Technology of China, Hefei, 230026, People's Republic of China
Journal of Molecular Spectroscopy
|February 9, 2000
Summary
High-resolution spectra of D(2)O (deuterium oxide) were analyzed, revealing complex interactions within its vibrational states. This study provides key parameters for understanding molecular behavior and spectral assignments.
Area of Science:
- Molecular Spectroscopy
- Quantum Chemistry
- Spectroscopic Analysis
Background:
- The D(2)O molecule exhibits complex vibrational-rotational spectra.
- Understanding these spectra is crucial for molecular physics and chemistry.
Purpose of the Study:
- To record and assign high-resolution Fourier transform spectra of D(2)O.
- To analyze vibration-rotation bands in the 4200-5700 cm(-1) region.
- To investigate resonance interactions affecting the hexad vibrational states.
Main Methods:
- High-resolution Fourier transform spectroscopy.
- Spectral assignment of vibration-rotation bands.
- Analysis of resonance interactions (Fermi, Darling-Dennison, Coriolis).
Main Results:
- Recorded and assigned spectra for D(2)O in the 4200-5700 cm(-1) region.
- Identified significant accidental perturbations between hexad states.
- Obtained parameters for all six vibrational states of the hexad.
Conclusions:
- Accidental perturbations necessitate considering complex resonance interactions beyond standard types.
- The study provides essential parameters for the D(2)O hexad vibrational states.
- Accurate spectral assignments and interaction analysis are achieved.