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J. Phys. & Chem. Ref. Data (JPCRD)

Superancillary Equations for the Multiparameter EOS in REFPROP 10.0

March 8, 2024

Author(s)

Ian Bell

Superancillary equations have been developed for the default multiparameter equations of state (EOS) for all 147 pure fluids in NIST REFPROP 10.0. These

Ab initio Calculation of Fluid Properties for Precision Metrology

September 12, 2023

Author(s)

Giovanni Garberoglio, Christof Gaiser, Roberto Maria Gavioso, Allan H. Harvey, Robert Hellmann, Bogumil Jeziorski, Karsten Meier, Michael R. Moldover, Laurent Pitre, Krzysztof Szalewicz, Robin Underwood

Recent advances regarding the interplay between ab initio calculations and metrology are reviewed, with particular emphasis on gas-based techniques used for

Protocol for structure determination of unknowns by EI mass spectrometry. II. Diagnostic ions in one ring alicyclic, heterocyclic, and aromatic compounds

April 6, 2023

Author(s)

Anzor I. Mikaia

Mass spectra of saturated carbocyclic hydrocarbons containing a single three, four, five, six, seven and more membered ring are discussed followed by the

Improved and Always Improving: Reference Formulations for Thermophysical Properties of Water

February 16, 2023

Author(s)

Allan H. Harvey, Jan Hruby, Karsten Meier

This article reviews the state of knowledge of the thermophysical properties of water in all its phases and the reference formulations that provide standardized

A Reference Equation of State with an Associating Term for Thermodynamic Properties of Ammonia

February 15, 2023

Author(s)

Kehui Gao, Jiangtao Wu, Ian Bell, Allan H. Harvey, Eric W. Lemmon

Fluid ammonia is highly associated because of strong intermolecular hydrogen bonding. This causes different behavior of thermophysical properties from nonpolar

Mixture Model for Refrigerant Pairs R-32/1234yf, R-32/1234ze(E), R-1234ze(E)/227ea, R-1234yf/152a, and R-125/1234yf

December 6, 2022

Author(s)

Ian Bell

In this work thermodynamic models based upon the corresponding states framework with departure terms are developed for the refrigerant pairs R-32/1234yf, R-32

A Fundamental Equation of State for the Calculation of Thermodynamic Properties of n-Octane

November 16, 2022

Author(s)

Robin Beckmüller, Roland Span, Eric W. Lemmon, Monika Thol

An empirical equation of state in terms of the Helmholtz energy is presented for n-octane. It is valid from the triple point temperature Ttp = 216.37 K to Tmax

An International Standard Formulation for trans-1-Chloro-3,3,3-trifluoroprop-1-ene [R1233zd(E)] Covering Temperatures from the Triple-point Temperature to 450 K and Pressures up to 100 MPa

June 25, 2022

Author(s)

Ryo Akasaka, Eric W. Lemmon

A new Helmholtz energy equation of state is presented for trans-1-chloro-3,3,3-trifluoroprop-1-ene [R1233zd(E)], which is expressed with temperature and density

Mixture Models for Refrigerants R-1234yf/134a, R-1234yf/1234ze(E), and R-134a/1234ze(E) and Interim Models for R-125/1234yf, R-1234ze(E)/227ea, and R-1234yf/152a

March 18, 2022

Author(s)

Ian Bell

In this work, new thermodynamic models for refrigerant mixtures are provided for the binary pairs R-1234yf/134a, R-1234yf/1234ze(E), and R-134a/1234ze(E) based

New International Formulation for the Thermal Conductivity of Heavy Water

March 9, 2022

Author(s)

Marcia L. Huber, Richard A. Perkins, Marc Assael, Stella Monogenidou, Robert Hellmann, Jan Sengers

The International Association for the Properties of Water and Steam (IAPWS) has adopted a new formulation for the thermodynamic properties of heavy water. This

Spectral Data for Gallium: Ga I through Ga XXXI

October 12, 2021

Author(s)

T Shirai, Joseph Reader, Alexander Kramida, J Sugar

The energy levels and spectral lines of gallium atom in all stages of ionization have been compiled. Experimental data on spectral lines and energy levels exist

New International Formulation for the Viscosity of Heavy Water

July 8, 2021

Author(s)

Marc J. Assael, S.A. Monogenidou, Marcia L. Huber, Richard A. Perkins, Jan V. Sengers

The International Association for the Properties of Water and Steam (IAPWS) has recently adopted a new formulation for the thermodynamic properties of heavy

New Equations of State for Binary Hydrogen Mixtures Containing Methane, Nitrogen, Carbon Monoxide, and Carbon Dioxide

March 23, 2021

Author(s)

Ian Bell, Eric W. Lemmon, Monika Thol, Roland Span, Robin Beckmueller

New equations of state for the binary mixtures H2 + CH4, H2 + N2, H2 + CO2, and H2 + CO are presented. The results are part of an ongoing research project

Fifty Years of Reference Data

January 25, 2021

Author(s)

Allan Harvey, Donald Burgess

(Editorial introducing Volume 50 of the Journal of Physical and Chemical Reference Data)

Effective attenuation lengths for different quantitative applications of X-ray photoelectron spectroscopy

July 13, 2020

Author(s)

Cedric J. Powell, Aleksander Jablonski

The effective attenuation length (EAL) is a useful parameter in quantitative applications of X- ray photoelectron spectroscopy (XPS). This parameter is used in

Equations of state for the thermodynamic properties of cryogenic mixtures for helium-4, neon, and argon

March 1, 2020

Author(s)

Jakub Tkaczuk, Eric Lemmon, Ian Bell, Nicholas Luchier, Francois Millet

Based upon the conceptual design reports for the future circular collider (FCC) cryogenic system, the need for more accurate thermodynamic property models of

Reference Correlation for the Viscosity of Cyclopentane from the Triple Point to 460 K and up to 380 MPa

November 14, 2019

Author(s)

K.A. Tasidou, Marcia L. Huber, Marc J. Assael

This paper presents a new wide-ranging correlation for the viscosity of cyclopentane based on critically evaluated experimental data. The correlation is

Reference Correlations for the Viscosity of 13 Inorganic Molten Salts

March 12, 2019

Author(s)

K.A. Tasidou, Ch. D. Chliatzou, Marc J. Assael, K.D. Antoniadis, Sofia K. Mylona, Marcia L. Huber, William A. Wakeham

In 1988, reference correlations for the viscosity of a selection of molten inorganic salts were proposed by Janz and have been used extensively. During the last

Editorial: (Slight) Expansion in Scope for JPCRD

February 8, 2019

Author(s)

Allan H. Harvey, Donald R. Burgess Jr.

Editorial describing expansion of journal Scope for JPCRD to accept some original experimental and theoretical work if it provides "reference data" that can be

A Reference Equation of State for Heavy Water

December 3, 2018

Author(s)

Stefan Herrig, Monika Thol, Allan H. Harvey, Eric Lemmon

An empirical fundamental equation of state is presented for heavy water (deuterium oxide, D2O). The equation is explicit in the reduced Helmholtz energy and

Spectroscopic Data for Neutral Francium (Fr I)

November 14, 2018

Author(s)

Jean E. Sansonetti

Energy levels and hyperfine structure constants have been compiled for the sixteen longest-lived isotopes of francium (Z=87). Wavelengths with classifications

Wavelengths, Transition Probabilities, and Energy Levels for the Spectra of Potassium (K I through K XIX)

November 14, 2018

Author(s)

Jean E. Sansonetti

Energy levels, with classifications and uncertainties, have been compiled for the spectra of the neutral atom and all positive ions of potassium (Z=19)

Wavelengths, Energy Level Classifications, and Energy Levels for the Spectrum of Neutral Mercury

November 14, 2018

Author(s)

Edward B. Saloman

We have prepared a comprehensive critically evaluated compilation of the most accurate wavelength measurements for classified lines of neutral mercury (Hg I)

Atomic Transition Probabilities of Aluminum and Silicon A Critical Compilation

November 14, 2018

Author(s)

Daniel E. Kelleher, Larissa Podobedova

This compilation is the second in a series of updates to Atomic Transition Probabilities, Sodium through Calcium, published in 19691. Atomic transition

Compilation of Wavelengths, Energy Levels, and Transition Probabilities for W I and W II

November 14, 2018

Author(s)

Alexander Kramida, T Shirai

Energy levels, wavelengths, and transition probabilities of the first and second spectra of tungsten, W I and W II, have been compiled. Wavelengths of observed

Atomic Transition Probabilities of SiliconA Critical Compilation

November 14, 2018

Author(s)

Daniel E. Kelleher, Larissa Podobedova

This compilation is the third in a series of updates to Atomic Transition Probabilities, Sodium through Calcium, published in 1969 by W. L. Wiese et al. Atomic

Atomic Transition Probabilities of AluminumA Critical Compilation

November 14, 2018

Author(s)

Daniel E. Kelleher, Larissa Podobedova

This compilation is the second in a series of updates to Atomic Transition Probabilities, Sodium through Calcium, published in 1969 by W. L. Wiese et al. Atomic

Energy Levels and Observed Spectral Lines of Krypton, Kr I through Kr XXXVI

November 14, 2018

Author(s)

Edward B. Saloman

The energy levels and observed spectral lines of the krypton atom, in all stages of ionization for which experimental data are available, have been compiled

Binding Energies in Atomic Negative Ions: III

November 14, 2018

Author(s)

T Andersen, H K. Haugen, H Hotop

The article updates a fourteen-year-old review on this subject [J. Phys. Chem. Ref. Data 14, 731 (1985]. A survey of the electron affinity determinations for

Thermodynamic Properties of Ideal Gas Nitro and Nitrate Compounds

November 14, 2018

Author(s)

A Burcat

The detailed ideal gas thermodynamic properties of 29 organic nitro and nitrate compounds and two of their radicals are presented. Most of these compounds are