Encapsulation of a Water Molecule inside C60 Fullerene: The Impact of Confinement on Quantum Features

O Carrillo-Bohórquez, Á Valdés… - Journal of Chemical …, 2021 - ACS Publications
We introduce an efficient quantum fully coupled computational scheme within the
multiconfiguration time-dependent Hartree (MCTDH) approach to handle the otherwise …

Molecular Study on Carbon Dioxide Hydrate Formation in Salty Water

Y Zhao, F Zeng, D Zhao, L Lin, Z Zhang - Crystal Growth & Design, 2023 - ACS Publications
Clathrate hydrate-based seawater desalination has the potential to be a low-energy,
environmentally friendly technique. However, the underlying hydrate growth and ion …

Modeling of structure H carbon dioxide clathrate hydrates: guest–lattice energies, crystal structure, and pressure dependencies

A Cabrera-Ramírez, R Prosmiti - The Journal of Physical …, 2022 - ACS Publications
We performed first-principles computations to investigate the complex interplay of molecular
interaction energies in determining the lattice structure and stability of CO2@ sH clathrate …

Computational density-functional approaches on finite-size and guest-lattice effects in CO2@ sII clathrate hydrate

A Cabrera-Ramírez, R Yanes-Rodríguez… - The Journal of …, 2021 - pubs.aip.org
We performed first-principles computations to investigate guest–host/host–host effects on
the encapsulation of the CO 2 molecule in sII clathrate hydrates from finite-size clusters up to …

Exploring CO2@sI Clathrate Hydrates as CO2 Storage Agents by Computational Density Functional Approaches

A Cabrera‐Ramírez, DJ Arismendi‐Arrieta… - …, 2021 - Wiley Online Library
The formation of specific clathrate hydrates and their transformation at given thermodynamic
conditions depends on the interactions between the guest molecule/s and the host water …

[HTML][HTML] Two-component, ab initio potential energy surface for CO2—H2O, extension to the hydrate clathrate, CO2@(H2O) 20, and VSCF/VCI vibrational analyses of …

QK Wang, JM Bowman - The Journal of Chemical Physics, 2017 - pubs.aip.org
We report an ab initio, full-dimensional, potential energy surface (PES) for CO 2—H 2 O, in
which two-body interaction energies are fit using a basis of permutationally invariant …

Unraveling the Origin of Symmetry Breaking in H2O@C60 Endofullerene Through Quantum Computations

O Carrillo‐Bohórquez, Á Valdés, R Prosmiti - ChemPhysChem, 2022 - Wiley Online Library
We explore the origin of the anomalous splitting of the 101 levels reported experimentally for
the H2O@ C60 endofullerene, in order to give some insight about the physical …

A Systematic Protocol for Benchmarking Guest–Host Interactions by First‐Principles Computations: Capturing CO2 in Clathrate Hydrates

DJ Arismendi‐Arrieta, Á Valdés… - Chemistry–A European …, 2018 - Wiley Online Library
Clathrate hydrates of CO2 have been proposed as potential molecular materials in tackling
important environmental problems related to greenhouse gases capture and storage …

Confining CO2 inside sI clathrate‐hydrates: The impact of the CO2–water interaction on quantized dynamics

Á Valdés, A Cabrera‐Ramírez… - Journal of computational …, 2023 - Wiley Online Library
We report new results on the translational‐rotational (T‐R) states of the CO2 molecule inside
the sI clathrate‐hydrate cages. We adopted the multiconfiguration time‐dependent Hartree …

Structural Stability of the CO2@sI Hydrate: a Bottom‐Up Quantum Chemistry Approach on the Guest‐Cage and Inter‐Cage Interactions

A Cabrera‐Ramírez, DJ Arismendi‐Arrieta… - …, 2020 - Wiley Online Library
Through reliable first‐principles computations, we have demonstrated the impact of CO2
molecules enclathration on the stability of sI clathrate hydrates. Given the delicate balance …