Burgess, D.
(2016),
A Compilation of Enthalpies of Formation for Hydrogen-Oxygen (HxOy) Species, Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/jres.121.005 (Accessed May 8, 2026)
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A Compilation of Enthalpies of Formation for Hydrogen-Oxygen (HxOy) Species
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Abstract
In this work, we have compiled enthalpies of formation for nine hydrogen-oxygen species (HxOy) and selected values for use. The compilation consists of values derived from experimental measurements, quantum chemical calculations, and evaluations. This work updates the recommended values in the NIST-JANAF (1985) and Gurvich et al (1989) thermochemical tables for seven species. For two species, HO3 and H2O3 (important in atmospheric chemistry) and not found in prior thermochemical evaluations, we also provide tables of thermochemical functions (Cp, S°, H°, and DfH°) as a function of temperature. In this work, we also provide supplementary data for the species consisting of zero point energies, vibrational frequencies, and ion reaction energetics.Citation
Journal of Research (NIST JRES) -
NIST Pub Series
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NIST Pubs
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Keywords
Thermodynamic properties, Thermochemical network, Ab initio thermochemistry, Enthalpy of formation, Bond dissociation energies, Atomization energies, Hydrogen-oxygen species
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Created March 11, 2016, Updated April 8, 2026