Racemic-2,3-dimethyl-butanedioic acid

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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
Δcsolid-670.75 ± 0.34kcal/molCcbVerkade and Hartman, 1933Reanalyzed by Cox and Pilcher, 1970, Original value = -671.2 kcal/mol; At 288 K; Corresponding Δfsolid = -235.13 kcal/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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tfus463.15KN/AHenne and Chanan, 1944Uncertainty assigned by TRC = 3. K

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:


Reaction thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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

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

trans-3,4-Dihydro-3,4-dimethyl-2,5-furandione + Water = Racemic-2,3-dimethyl-butanedioic acid

By formula: C6H8O3 + H2O = C6H10O4

Quantity Value Units Method Reference Comment
Δr-7.06kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 323 K

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-3216
NIST MS number 231306

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes

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

Verkade and Hartman, 1933
Verkade, P.E.; Hartman, H., Calorimetric researches XXI. Heats of combustion of methyl-, ethyl- and phenyl-substituted succinic acids and of their anhydrides: a. Experimental data, Rec. Trav. Chim. Pays/Bas, 1933, 52, 945-968. [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]

Henne and Chanan, 1944
Henne, A.L.; Chanan, H.H., Diolefins from Allylic Chlorides II., J. Am. Chem. Soc., 1944, 66, 392. [all data]

Conn, Kistiakowsky, et al., 1942
Conn, J.B.; Kistiakowsky, G.B.; Roberts, R.M.; Smith, E.A., Heats of organic reactions. XIII. Heats of hydrolysis of some acid anhydrides, J. Am. Chem. Soc., 1942, 64, 1747-17. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References