A molecular twist on hydrophobicity

S Gómez, N Rojas-Valencia, SA Gómez… - Chemical …, 2021 - pubs.rsc.org
A thorough exploration of the molecular basis for hydrophobicity with a comprehensive set of
theoretical tools and an extensive set of organic solvent S/water binary systems is discussed …

Antioxidant activity of curcuminoids

S Llano, S Gómez, J Londoño… - Physical Chemistry …, 2019 - pubs.rsc.org
An exploration of the antioxidant power of curcumin, demethoxycurcumin, and
bisdemethoxycurcumin, three natural antioxidants found in Curcuma longa, is reported in …

Dissection of the Mechanism of the Wittig Reaction

P Farfán, S Gómez, A Restrepo - The Journal of Organic …, 2019 - ACS Publications
A wide variety of descriptors of the evolution of bonding, rooted in the formalism of quantum
mechanics, but otherwise conceptually and methodologically independent of each other …

Dimers of formic acid: Structures, stability, and double proton transfer

P Farfán, A Echeverri, E Diaz, JD Tapia… - The Journal of …, 2017 - pubs.aip.org
A stochastic search of the potential energy surface for the formic acid dimers results in 21
well-defined minima. A number of structures are reported here for the first time, others have …

Thermodynamics and intermolecular interactions during the insertion of anionic naproxen into model cell membranes

N Rojas-Valencia, S Gomez… - The Journal of …, 2021 - ACS Publications
The insertion process of Naproxen into model dimyristoylphosphatidylcholine (DMPC)
membranes is studied by resorting to state-of-the-art classical and quantum mechanical …

[HTML][HTML] Exploration of Free Energy Surface of the Au10 Nanocluster at Finite Temperature

FE Rojas-González, C Castillo-Quevedo… - Molecules, 2024 - mdpi.com
The first step in comprehending the properties of Au10 clusters is understanding the lowest
energy structure at low and high temperatures. Functional materials operate at finite …

Absorption spectra of xanthines in aqueous solution: A computational study

S Gómez, T Giovannini, C Cappelli - Physical Chemistry Chemical …, 2020 - pubs.rsc.org
We present a detailed computational analysis of the UV/Vis spectra of caffeine, paraxanthine
and theophylline in aqueous solution. A hierarchy of solvation approaches for modeling the …

Theoretical Prediction of Structures, Vibrational Circular Dichroism, and Infrared Spectra of Chiral Be4B8 Cluster at Different Temperatures

CE Buelna-García, E Robles-Chaparro… - Molecules, 2021 - mdpi.com
Lowest-energy structures, the distribution of isomers, and their molecular properties depend
significantly on geometry and temperature. Total energy computations using DFT …

An efficient and robust procedure to calculate absorption spectra of aqueous charged species applied to NO 2−

L Uribe, S Gómez, T Giovannini, F Egidi… - Physical Chemistry …, 2021 - pubs.rsc.org
Accurate calculation of absorption spectra of aqueous NO2− requires rigorously sampling
the quantum potential energy surfaces for microsolvation of NO2− with at least five explicit …

Evolution of bonding during the insertion of anionic ibuprofen into model cell membranes

N Rojas-Valencia, S Gómez, S Montillo… - The Journal of …, 2019 - ACS Publications
Descriptors of chemical bonding derived from five different analysis tools based on quantum
mechanics (natural charges, electron density differences, atoms in molecules (AIM), natural …