Vibrational absorption, vibrational circular dichroism and theoretical studies of methyl lactate molecules in solution phase and in argon matrices

• Author / Creator

  Liu, Yang

• The infrared vibrational absorption (VA) and vibrational circular dichroism (VCD) spectra of methyl lactate in carbon tetrachloride and methanol have been measured in the 1000-1800 cm-1 region. Noticeable changes due to the solute self-aggregation and solvent-solute intermolecular hydrogen-bonding in the reported spectra have been detected. A series of density functional theory (DFT/B3LYP/6-311++G) and single point MP2/6-311++G energy calculations have been performed to identify and to model the explicit hydrogen-bonded complex. Geometry search and optimization have been performed for the most stable conformers. The VA and VCD spectra of these complexes have been simulated and compared with the corresponding experimental spectra. A novel experimental apparatus has been set up in order to carry out Fourier transform infrared-VCD measurements in cold rare gas matrices. Some preliminary results obtained with this new setup and the challenges in these experiments are discussed.

• Subjects / Keywords

  • Vibrational absorption
  • Methyl lactate
  • Matrix isolation
  • Vibrational circular dichroism
  • Chirality

• Graduation date

  Spring 2011

• Type of Item

  Thesis

• Degree

  Master of Science

• DOI

  https://doi.org/10.7939/R37G98

• License

  This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.