Universal pairwise interatomic van der Waals potentials based on quantum Drude oscillators

A Khabibrakhmanov, DV Fedorov… - Journal of Chemical …, 2023 - ACS Publications
Repulsive short-range and attractive long-range van der Waals (vdW) forces play an
appreciable role in the behavior of extended molecular systems. When using empirical force …

Conformal analytical potential for all the rare gas dimers over the full range of internuclear distances

X Sheng, JP Toennies, KT Tang - Physical Review Letters, 2020 - APS
An analytical model for the potential between two rare gas atoms at distances between R= 0
to R→∞ is assumed to be conformal with the previously published potential for He 2 [J …

[HTML][HTML] Solid–liquid coexistence of neon, argon, krypton, and xenon studied by simulations

AN Singh, JC Dyre, UR Pedersen - The Journal of Chemical Physics, 2021 - pubs.aip.org
The noble elements constitute the simplest group of atoms. At low temperatures or high
pressures, they freeze into the face-centered cubic (fcc) crystal structure (except helium) …

Direct simulation Monte Carlo method based on ab initio potential: Recovery of transport coefficients of multi-component mixtures of noble gases

F Sharipov - Physics of Fluids, 2022 - pubs.aip.org
The modeling of intermolecular collisions is the hardest and most time consuming part of the
direct simulation Monte Carlo (DSMC) method. In order to reduce the computational cost of …

Transport coefficients of helium-neon mixtures at low density computed from ab initio potentials

F Sharipov, VJ Benites - The Journal of Chemical Physics, 2017 - pubs.aip.org
The viscosity, thermal conductivity, diffusion coefficient, and thermal diffusion factor of helium-
neon mixtures at low density are calculated for a wide range of temperature and for various …

Microwave spectroscopy of ternary and quaternary van der Waals clusters

Y Xu*, JV Wijngaarden, W Jäger* - International Reviews in …, 2005 - Taylor & Francis
The study of weakly bound complexes and clusters promises to provide a bridge between
the properties of isolated molecules and those of dense phases. We describe briefly the …

Impact of Combination Rules, Level of Theory, and Potential Function on the Modeling of Gas-and Condensed-Phase Properties of Noble Gases

K Kriz, PJ van Maaren… - Journal of Chemical …, 2024 - ACS Publications
The systems of noble gases are particularly instructive for molecular modeling due to the
elemental nature of their interactions. They do not normally form bonds nor possess a …

Transport coefficients of argon and its mixtures with helium and neon at low density based ab initio potentials

F Sharipov, VJ Benites - Fluid Phase Equilibria, 2019 - Elsevier
The transport coefficients, such as viscosity, thermal conductivity, diffusion coefficient and
thermal diffusion factor of helium-argon and neon-argon mixtures at low density are …

Transport coefficients of multi-component mixtures of noble gases based on ab initio potentials: Viscosity and thermal conductivity

F Sharipov, VJ Benites - Physics of Fluids, 2020 - pubs.aip.org
The viscosity and thermal conductivity of binary, ternary, and quaternary mixtures of helium,
neon, argon, and krypton at low density are computed for wide ranges of temperatures and …

Can density functional theory be trusted for high-order electric properties? The case of hydrogen-bonded complexes

R Zalesny, M Medved', SP Sitkiewicz… - Journal of Chemical …, 2019 - ACS Publications
This work reports on an extensive assessment of the performance of a wide palette of
density functional approximations in predicting the (high-order) electric properties of …