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The solid molecular hydrogens in the condensed phase: Fundamentals and static properties
Rev. Mod. Phys. 52, 393 – Published 1 April, 1980
DOI: https://doi.org/10.1103/RevModPhys.52.393
Abstract
The molecular hydrogens (, , HD, etc.) form the simplest of all molecular solids. The combination of the light mass, small moment of inertia, weak interactions, and the quasi-metastable ortho-para species result in a fascinating low-temperature behavior that can be understood to a large extent from considerations of first principles. After discussing single molecule properties and intermolecular interactions we discuss in detail the ortho-para properties, conversion and diffusion. This is followed by a description of the crystal structures and the orientational ordering phenomena. The thermodynamic properties are reviewed. The article is concluded with a discussion of the translational ground state of the solid and the effect of the large zero-point motion on the solid state properties. A large number of data are collected in tables and graphs to provide a reference source.
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