Propanedioic acid, dimethyl ester

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.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, 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
Δfgas-176.35 ± 0.24kcal/molCcbVerevkin, Beckhaus, et al., 1992 
Δfgas-176.35 ± 0.24kcal/molCcbVerevkin, Dogan, et al., 1990 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-191.13 ± 0.15kcal/molCcbVerevkin, Beckhaus, et al., 1992ALS
Δfliquid-191.13 ± 0.15kcal/molCcbVerevkin, Dogan, et al., 1990ALS
Quantity Value Units Method Reference Comment
Δcliquid-552.38 ± 0.15kcal/molCcbVerevkin, Beckhaus, et al., 1992Corresponding Δfliquid = -191.14 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-552.38 ± 0.15kcal/molCcbVerevkin, Dogan, et al., 1990Corresponding Δfliquid = -191.14 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
Δcsolid-554.0kcal/molCcbVerkade, Coops, et al., 1926Heat of combustion at 15°C; Corresponding Δfsolid = -189.5 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
50.22298.15Verevkin, Beckhaus, et al., 1992DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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 = Propanedioic acid, dimethyl ester

By formula: C5H7O4- + H+ = C5H8O4

Quantity Value Units Method Reference Comment
Δr348.0 ± 2.1kcal/molG+TSMishima, Matsuoka, et al., 2004gas phase; Calc: keto form of acid more stable.
Quantity Value Units Method Reference Comment
Δr341.3 ± 2.0kcal/molIMREMishima, Matsuoka, et al., 2004gas phase; Calc: keto form of acid more stable.

References

Go To: Top, Gas phase thermochemistry data, 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.

Verevkin, Beckhaus, et al., 1992
Verevkin, S.P.; Beckhaus, H.-D.; Ruchardt, C., Geminale substituenteneffekte Teil 5α. Standardbildungsenthalpien von alkylsubstituierten Malonsaure- und α-aminocarbonsaureestern, Thermochim. Acta, 1992, 197, 27-39. [all data]

Verevkin, Dogan, et al., 1990
Verevkin, S.; Dogan, B.; Beckhaus, H.D.; Ruechardt, C., Geminal substituent effects. 3. Synergistic destablization by geminal ester groups, Angew. Chem., 1990, 102, 693-695. [all data]

Verkade, Coops, et al., 1926
Verkade, P.E.; Coops, J.; Hartman, H., Calorimetric researches. XIII. Heats of combustion of successive terms of homologous series: Dimethyl esters of the oxalic acid series. A general survey of the oscillation phenomena, Recl. Trav. Chim. Pays-Bas, 1926, 45, 585-606. [all data]

Mishima, Matsuoka, et al., 2004
Mishima, M.; Matsuoka, M.; Lei, Y.X.; Rappoport, Z., Gas-phase acidities of disubstituted methanes and of enols of carboxamides substituted by electron-withdrawing groups, J. Org. Chem., 2004, 69, 18, 5947-5965, https://doi.org/10.1021/jo040196b . [all data]


Notes

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