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Title: Hydrogen bond dynamics of 9-fluorenone derivatives in water studied by two-dimensional infrared spectroscopy
Authors: Fujii, Yuki
Ohta, Kaoru
Tominaga, Keisuke
Keywords: Science::Chemistry
Issue Date: 2020
Source: Fujii, Y., Ohta, K., & Tominaga, K. (2020). Hydrogen bond dynamics of 9-fluorenone derivatives in water studied by two-dimensional infrared spectroscopy. Proc. Of the 7th Asian Spectroscopy Conference (ASC 2020). doi:10.32655/ASC_8-10_Dec2020.47
metadata.dc.contributor.conference: Asian Spectroscopy Conference 2020
Abstract: In solutions, a vibrational frequency of solute molecule is sensitive to changes of the solvent environment. Especially, in aqueous solution, hydrogen-bond making and breaking processes play an important role in the dynamics of water molecules surrounding the solute. For the past few decades, vibrational dynamics in aqueous solutions have been investigated by two-dimensional infrared (2D-IR) spectroscopy. 2D-IR spectroscopy is a powerful tool to obtain microscopic information in solution such as ultrafast solvent dynamics and local structure of solvent by probing the changes of vibrational frequency. In the present study, we performed 2D-IR spectroscopic measurements on 9-fluorenone-4-carboxylic acid (FL-4) and 9-fluorenone-2-carboxylic acid (FL-2, molecular structure is shown in Figure 1(a)) in aqueous solutions. By comparing the results of FL-4 and FL-2, we aim to find the relationship between molecular structure and vibrational dynamics.
DOI: 10.32655/ASC_8-10_Dec2020.47
Research Centres: Institute of Advanced Studies 
Rights: © 2020 Nanyang Technological University.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:Asian Spectroscopy Conference

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