Expertini Research Research

Browse Research Papers

66+ open-access research outputs.

โœ• Clear
๐Ÿ” pascal berrang ๐Ÿ“‚ Chemistry
Showing 66 results for "pascal berrang" in Chemistry
Chemistry Preprint PDF DOI

A Machine-Learned Symbolic Committor for a Chemical Reaction: Retinal Isomerization

Kai Topfer, Gianmarco Lazzeri, Vittoria Ossanna, Florian Renner, Gianluca Lattanzi, Roberto Covino, Bettina G. Keller ยท 2026

The thermal cis-trans isomerization around the C$_{13}$=C$_{14}$ double bond of retinal is a prototypical high-barrier reaction whose mechanism hinges on subtle out-of-plane bending motions. We apply โ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

A Chemical Space Perspective on Diastereomeric Barriers in Alkylperoxy-to-Hydroperoxyalkyl Isomerization

Raghunathan Ramakrishnan ยท 2026

Low-temperature hydrocarbon autooxidation involves radical intermediates whose reactivity depends not only on the stereochemistry of the intermediates themselves, but also on that of the transient speโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Ultrafast nonadiabatic dynamics of tetraphenylsubstituted nitrogen-based heterocycles

Javier Hernandez-Rodriguez, Alberto Martin Santa Daria, Susana Gomez-Carrasco, Sandra Gomez ยท 2026

Tetraphenylpyrazine (TPP) and 2,3,4,5-tetraphenyl-1H-pyrrole (TePP) are closely related heterocycles bearing four phenyl substituents, whose structural similarity makes them a useful pair for comparinโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Projection-based DMRG-in-DFT embedding corrected by non-additive exchange-correlation

Enzo Monino, Daria Drwal, Pavel Beran, Micha{l} Hapka, Libor Veis, Katarzyna Pernal ยท 2025

The projection-based wave function (WF)-in-DFT embedding enables an efficient description of both the energetics and properties of large and complex chemical systems, with accuracy exceeding that of pโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Understanding How Synthetic Impurities Affect Glyphosate Solubility and Crystal Growth Using Free Energy Calculations and Molecular Dynamics Simulations

Alejandro Castro, Ignacio Sanchez-Burgos, Nuria H. Espejo, Adiran Garaizar, Giovanni Maria Maggioni, Jorge R. Espinosa ยท 2025

Glyphosate, the most widely used herbicide worldwide, crystallizes through complex intermolecular interactions that are strongly influenced by synthesis-derived impurities. Understanding this process โ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Theoretical Exploration of the Diene-Transmissive Hetero-Diels-Alder Strategy Toward Boron-Functionalized Octahydroquinolines

Amine Rafik, Abdeljabbar Jaddi, Khalid Abbiche, Mohammed Salah, Miguel Carvajal, Khadija Marakchi ยท 2025

A diene-transmissive hetero-Diels-Alder strategy, grounded in previous experimental works and employing boronated dienophiles, is proposed for the synthesis of boron-bearing octahydroquinolines. To asโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

MXene triggers high toughness, high strength and low hysteresis hydrogels for printed artificial tissue

Chendong Zhao, Yaxing Li, Qinglong He, Shangpeng Qin, Huiqi Xie, Chuanfang Zhang ยท 2025

Substituting load-bearing tissues requires hydrogels with rapid processability, excellent mechanical strength and fatigue resistance. Conventional homogeneously polymerized hydrogels with short-chainsโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Enhanced 133cs Triple-Quantum Excitation in Solid-State NMR of Cs-Bearing Zeolites

Noy Vaisleib, Michal Arbel-Haddad, Amir Goldbourt ยท 2025

Geopolymers are aluminosilicate materials that exhibit effective immobilization properties for low-level radioactive nuclear waste, and more specifically for the immobilization of radioactive cesium. โ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Molecular Insights into Yb(III) Speciation in Sulfate-Bearing Hydrothermal Fluids from X-ray Absorption Spectra Informed by ab initio Molecular Dynamics

Xiaodong Zhao, Duo Song, Sebastian Mergelsberg, Micah Prange, Daria Boglaienko, Zihua Zhu, Zheming Wang, Carolyn I. Pearce, Chengjun Sun, Kevin M. Rosso, Xiaofeng Guo, Xin Zhang ยท 2025

Rare earth elements (REEs) are critical for advanced technologies, yet in hydrothermal aqueous solutions the molecular level details of their interaction with ligands that control their geochemical trโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Prediction of NMR Parameters and geometry in 133Cs-containing compounds using Density Functional Theory

Nurit Manukovsky, Noy Vaisleib, Michal Arbel-Haddad, Amir Goldbourt ยท 2024

The need to immobilize low-level nuclear waste, in particular 137Cs-bearing waste, has led to a growing interest in geopolymer-based waste matrices, in addition to optimization attempts of cement matrโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

On the importance of experimental details: A Comment on "Non-Polaritonic Effects in Cavity-Modified Photochemistry"

Tal Schwartz, James A. Hutchison ยท 2024

Recently, an article by the Barnes group reported on the experimental study of a photoisomerization reaction inside an optical cavity, claiming to reproduce previous results by Hutchison et al. and maโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Interaction of CH$_3$CN and CH$_3$NC with He : potential energy surfaces and low-energy scattering

Malek Ben Khalifa, Paul J. Dagdigian, Jerome Loreau ยท 2023

Several nitrogen-bearing molecules, such as methyl cyanide (or acetonitrile, CH$_3$CN) and methyl isocyanide (CH$_3$NC) of interest here, have been observed in various astrophysical environments. The โ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Computational Design of Molecular Probes for Electronic Pre-Resonance Raman Scattering Microscopy

Jiajun Du, Xuecheng Tao, Tomislav Begusic, Lu Wei ยท 2023

Recently developed electronic pre-resonance stimulated Raman scattering (epr-SRS) microscopy, in which the Raman signal of a dye is significantly boosted by setting the incident laser frequency near tโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Implementation of Bounded Diffusion Impedance in a Model Pyeis to Correctly Simulate Flow Gradient on Channel-Electrode in Microfluidics

Rassen Boukraa (C2N), Claire Poujouly (C2N), Pedro Gonzalez-Losada (C2N), Jean Gamby (C2N) ยท 2022

Here, we proposed to test the limits of the bounded diffusion impedance model by using electrochemical impedance spectroscopy (EIS) measurements in a microfluidic device architecture bearing a set of โ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Energetic Electron Irradiations of Amorphous and Crystalline Sulphur-Bearing Astrochemical Ices

Duncan V. Mifsud, Peter Herczku, Richard Racz, K.K. Rahul, Sandor T.S. Kovacs, Zoltan Juhasz, Bela Sulik, Sandor Biri, Robert W. McCullough, Zuzana Kanuchova, Sergio Ioppolo, Perry A. Hailey, Nigel J. Mason ยท 2022

Laboratory experiments have confirmed that the radiolytic decay rate of astrochemical ice analogues is dependent upon the solid phase of the target ice, with some crystalline molecular ices being moreโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Combining experimental and computational methods to unravel the dynamical structure of photoelectrosynthetic interfaces

Matthias M. May, Wolfram Jaegermann ยท 2022

At photoelectrosynthetic interfaces, an electrochemical reaction is driven by excited charge-carriers from a semiconducting photoabsorber. Structure and composition of this interface determine both thโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Explicit models of motions to analyze NMR relaxation data in proteins

Nicolas Bolik-Coulon, Fabien Ferrage ยท 2022

Nuclear Magnetic Resonance (NMR) is a tool of choice to characterize molecular motions. In biological macromolecules, pico- to nano-second motions, in particular, can be probed by nuclear spin relaxatโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Efficient Four-Component Dirac-Coulomb-Gaunt Hartree--Fock in Pauli Spinor Representation

Shichao Sun, Torin Stetina, Tianyuan Zhang, Hang Hu, Edward F. Valeev, Qiming Sun, Xiaosong Li ยท 2021

Four-component Dirac Hartree--Fock is an accurate mean-field method for treating molecular systems where relativistic effects are important. However, the computational cost and complexity of the two-eโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

A Kinetic Study of the N(2D) + C2H4 Reaction at Low Temperature

Kevin M. Hickson, Cedric Bray, Jean-Christophe Loison, Michel Dobrijevic ยท 2020

Electronically excited nitrogen atoms N(2D) are important species in the photochemistry of N2 based planetary atmospheres such as Titan. Despite this, few N(2D) reactions have been studied over the apโ€ฆ

Read Paper โ†’
Chemistry Preprint PDF DOI

Rigorous Analysis of Non-Ideal Solubility of Sodium and Copper Chlorides in Water Vapor Using Pitzer-Pabalan Model

Kirill A. Velizhanin, Christopher D. Alcorn, Artas A. Migdisov, Robert P. Currier ยท 2020

Gaseous mixtures of water vapor and neutral molecules of salt (e.g., NaCl, CuCl etc.) can be highly non-ideal due to the strong attractive interaction between salt and water molecules. In particular, โ€ฆ

Read Paper โ†’
Page 1 of 4 Next โ†’