Spectral Diffusion in Glycerol-Water Mixtures from Theoretical Two Dimensional Infrared Spectroscopy: Varying Effects of Concentration for Different Solvation Environments

Key Points

• This research aims to explore how vibrational spectral diffusion and water dynamics change in glycerol-water mixtures with varying concentrations.
• Utilized theoretical two dimensional infrared spectroscopy to analyze water dynamics
• Examined hydrogen bonding and orientational relaxation in different solvation environments
• Varying concentrations of glycerol-water mixtures were tested
• Identified significant variations in vibrational spectral diffusion across different concentrations
• Found distinct effects of glycerol on water's dynamical properties
• Demonstrated that solvation environments influence hydrogen bonding behavior