Reaction dynamics studied via femtosecond X-ray liquidography at X-ray free-electron lasers

EH Choi, Y Lee, J Heo, H Ihee - Chemical Science, 2022 - pubs.rsc.org
X-ray free-electron lasers (XFELs) provide femtosecond X-ray pulses suitable for pump–
probe time-resolved studies with a femtosecond time resolution. Since the advent of the first …

Structural dynamics of proteins explored via time-resolved x-ray liquidography

Y Lee, H Lee, H Ihee - Chemical Physics Reviews, 2022 - pubs.aip.org
The structure of a protein is closely related to its biological function. In this regard, structural
changes, as well as static structures, have been scrutinized as essential elements in …

Solvent-dependent structural dynamics in the ultrafast photodissociation reaction of triiodide observed with time-resolved x-ray solution scattering

A Nimmrich, MR Panman, O Berntsson… - Journal of the …, 2023 - ACS Publications
Resolving the structural dynamics of bond breaking, bond formation, and solvation is
required for a deeper understanding of solution-phase chemical reactions. In this work, we …

Cerium photocatalyst in action: structural dynamics in the presence of substrate visualized via time-resolved x-ray liquidography

Y Lee, H Ki, D Im, S Eom, J Gu, S Lee… - Journal of the …, 2023 - ACS Publications
[Ce (III) Cl6] 3–, with its earth-abundant metal element, is a promising photocatalyst
facilitating carbon–halogen bond activation. Still, the structure of the reaction intermediate …

The carbon–iodine bond cleavage and isomerization of iodoform visualized with femtosecond X-ray liquidography

Y Cha, H Ki, D Im, Y Lee, S Lee, J Kim, JH Lee… - Chemical …, 2024 - pubs.rsc.org
Iodoform (CHI3) has garnered significant attention for its unique ability to induce photo-
cyclopropanation of olefins by releasing an iodine radical through C–I bond cleavage …

Projection to extract the perpendicular component (PEPC) method for extracting kinetics from time-resolved data

H Ki, J Gu, Y Cha, KW Lee, H Ihee - Structural Dynamics, 2023 - pubs.aip.org
Time-resolved x-ray liquidography (TRXL) is a potent method for investigating the structural
dynamics of chemical and biological reactions in the liquid phase. It has enabled the …

Photoactivation of triosmium dodecacarbonyl at 400 nm probed with time-resolved X-ray liquidography

H Ki, TW Kim, J Moon, J Kim, Y Lee, J Heo… - Chemical …, 2022 - pubs.rsc.org
The photoactivation mechanism of Os3 (CO) 12 at 400 nm is examined with time-resolved X-
ray liquidography. The data reveal two pathways: the vibrational relaxation following an …

Sensitivity of time‐resolved diffraction data to changes in internuclear distances and atomic positions

H Jeong, H Ki, JG Kim, J Kim, Y Lee… - Bulletin of the Korean …, 2022 - Wiley Online Library
Time‐resolved x‐ray liquidography (TRXL) is a powerful technique to study molecular
structural dynamics in the solution phase. Typically, a TRXL experiment is conducted during …

Structural Dynamics of C2F4I2 in Cyclohexane Studied via Time-Resolved X-ray Liquidography

J Gu, S Lee, S Eom, H Ki, EH Choi, Y Lee… - International Journal of …, 2021 - mdpi.com
The halogen elimination of 1, 2-diiodoethane (C2H4I2) and 1, 2-diiodotetrafluoroethane
(C2F4I2) serves as a model reaction for investigating the influence of fluorination on reaction …

Model–state-of-the-art modelling and computational analysis of reactive sites: general discussion

B Chanbasha, M Costas, J Echeverría… - Faraday …, 2023 - pubs.rsc.org
Odile Eisenstein opened a discussion of the paper by Stuart A. Macgregor: You have found
an extended interaction between a hydrogen and the entire p-system of an arene ring. This …