Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Pentanedioic acid

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Condensed phase thermochemistry data

Go To: Top, Reaction thermochemistry data, References, Notes

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
Deltafsolid-960.5 ± 1.1kJ/molCcbEl-Sayed, 1993 
Deltafsolid-960.0 ± 1.2kJ/molCcbWilhoit and Shiao, 1964 
Quantity Value Units Method Reference Comment
Deltacsolid-2150.35 ± 0.75kJ/molCcbEl-Sayed, 1993Corresponding «DELTA»fsolid = -960.52 kJ/mol (simple calculation by NIST; no Washburn corrections)
Deltacsolid-2150.9 ± 1.2kJ/molCcbWilhoit and Shiao, 1964Corresponding «DELTA»fsolid = -959.98 kJ/mol (simple calculation by NIST; no Washburn corrections)
Deltacsolid-2151.6 ± 0.50kJ/molCcbVerkade, Hartman, et al., 1926Reanalyzed by Cox and Pilcher, 1970, Original value = -2154. kJ/mol; See Verkade, Hartman, et al., 1924; Corresponding «DELTA»fsolid = -959.31 kJ/mol (simple calculation by NIST; no Washburn corrections)

Reaction thermochemistry data

Go To: Top, Condensed phase thermochemistry data, References, Notes

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

Data compiled by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C5H7O4- + Hydrogen cation = Pentanedioic acid

By formula: C5H7O4- + H+ = C5H8O4

Quantity Value Units Method Reference Comment
Deltar1367. ± 8.4kJ/molCIDCKumar, Prabhakar, et al., 2005gas phase
Quantity Value Units Method Reference Comment
Deltar1338. ± 8.4kJ/molCIDCKumar, Prabhakar, et al., 2005gas phase

References

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

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

El-Sayed, 1993
El-Sayed, N.I., The enthalpy of combustion and formation of hydantoin, Asian J. Chem., 1993, 5, 199-207. [all data]

Wilhoit and Shiao, 1964
Wilhoit, R.C.; Shiao, D., Thermochemistry of biologically important compounds. Heats of combustion of solid organic acids., J. Chem. Eng. Data, 1964, 9, 595-599. [all data]

Verkade, Hartman, et al., 1926
Verkade, P.E.; Hartman, H.; Coops, J., Calorimetric researches. X. Heats of combustion of successive terms of homologous series: dicarboxylic acids of the oxalic acid series, Rec. Trav. Chim. Pays/Bas, 1926, 45, 373-393. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Verkade, Hartman, et al., 1924
Verkade, P.E.; Hartman, H.; Coops, J., Jr., Chemistry - The molecular heat of combustion of successive terms of homologous series, Kom. Med. Akad. Ueknschap. Proc., 1924, 27, 859-866. [all data]

Kumar, Prabhakar, et al., 2005
Kumar, M.R.; Prabhakar, S.; Nagaveni, V.; Vairamani, M., Estimation of gas-phase acidities of a series of dicarboxylic acids by the kinetic method, Rapid Commun. Mass Spectrom., 2005, 19, 8, 1053-1057, https://doi.org/10.1002/rcm.1888 . [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References