1,2-Pentanediol

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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-465.1 ± 7.5kJ/molCcbKnauth and Sabbah, 1990 

Condensed phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfliquid-546.7 ± 7.5kJ/molCcbKnauth and Sabbah, 1990 
Quantity Value Units Method Reference Comment
Δcliquid-3135.8 ± 7.5kJ/molCcbKnauth and Sabbah, 1990Corresponding Δfliquid = -546.7 kJ/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil480. ± 20.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap74.6 ± 0.3kJ/molGSVerevkin, 2004Based on data from 289. to 345. K.; AC
Δvap81.6 ± 0.2kJ/molCKnauth and Sabbah, 1990ALS
Δvap81.6kJ/molN/AKnauth and Sabbah, 1990DRB

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Knauth and Sabbah, 1990
Knauth, P.; Sabbah, R., Energetics of inter- and intramolecular bonds in alkanediols. IV. The thermochemical study of 1,2-alkanediols at 298.15 K, Thermochim. Acta, 1990, 164, 145-152. [all data]

Verevkin, 2004
Verevkin, Sergey P., Determination of vapor pressures and enthalpies of vaporization of 1,2-alkanediols, Fluid Phase Equilibria, 2004, 224, 1, 23-29, https://doi.org/10.1016/j.fluid.2004.05.010 . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References