Observation of the most H2-dense filled ice under high pressure

U Ranieri, S Di Cataldo, M Rescigno… - Proceedings of the …, 2023 - National Acad Sciences
Hydrogen hydrates are among the basic constituents of our solar system's outer planets,
some of their moons, as well Neptune-like exo-planets. The details of their high-pressure …

[HTML][HTML] Assessment of random phase approximation and second-order Møller–Plesset perturbation theory for many-body interactions in solid ethane, ethylene, and …

KN Pham, M Modrzejewski, J Klimeš - The Journal of Chemical …, 2023 - pubs.aip.org
The relative energies of different phases or polymorphs of molecular solids can be small,
less than a kilojoule/mol. A reliable description of such energy differences requires high …

Novel phases in ammonia-water mixtures under pressure

V Naden Robinson, M Marqués, Y Wang… - The Journal of …, 2018 - pubs.aip.org
While ammonia and water readily form hydrogen-bonded molecular mixtures at ambient
conditions, their miscibility under pressure is not well understood, yet crucial to model the …

High pressure hydrocarbons revisited: from van der Waals compounds to diamond

LJ Conway, A Hermann - Geosciences, 2019 - mdpi.com
Methane and other hydrocarbons are major components of the mantle regions of icy planets.
Several recent computational studies have investigated the high-pressure behaviour of …

Theoretical Surface Science Beyond Gradient-Corrected Density Functional Theory: Water at α-Al2O3(0001) as a Case Study

S Heiden, D Usvyat, P Saalfrank - The Journal of Physical …, 2019 - ACS Publications
The quantum chemical description of the adsorption, vibrations, and reactions of molecules
at periodic solid surfaces is frequently based on a methodological “standard model”: density …

[HTML][HTML] Ammonium fluoride's analogy to ice: Possibilities and limitations

LJ Conway, K Brown, JS Loveday… - The Journal of Chemical …, 2021 - pubs.aip.org
Ammonium fluoride, NH 4 F, is often seen as an analog to ice, with several of its solid
phases closely resembling known ice phases. While its ionic and hydrogen-ordered nature …

On a new nitrogen sX hydrate from ice XVII

B Massani, LJ Conway, A Hermann… - The Journal of Chemical …, 2019 - pubs.aip.org
On a new nitrogen sX hydrate from ice XVII | The Journal of Chemical Physics | AIP Publishing
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