Tetramethylbutanedioic 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-988.6kcal/molCcbVerkade and Hartman, 1933At 288 K; Corresponding Δfsolid = -242.0 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus465.KN/AMurrill and Breed, 1970Crystal phase 1 phase; Uncertainty assigned by TRC = 4. K; TRC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
1.55464.Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
8.382383.Domalski and Hearing, 1996CAL
3.334464.

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
3.2103383.crystaline, IIcrystaline, IMurrill and Breed, 1970, 2DH
1.547464.crystaline, IliquidMurrill and Breed, 1970, 2DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
8.430383.crystaline, IIcrystaline, IMurrill and Breed, 1970, 2DH
3.339464.crystaline, IliquidMurrill and Breed, 1970, 2DH

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

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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

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

Dihydro-3,3,4,4-tetramethyl-2,5-furandione + Water = Tetramethylbutanedioic acid

By formula: C8H12O3 + H2O = C8H14O4

Quantity Value Units Method Reference Comment
Δr-8.43kcal/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 323 K

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.

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]

Murrill and Breed, 1970
Murrill, E.; Breed, L.W., Solid-solid Phase Transitions Determined by Differential Scanning Calorimetry Part II. Octahederal Substances, Thermochim. Acta, 1970, 1, 409. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Murrill and Breed, 1970, 2
Murrill, E.; Breed, L.W., Solid-solid phase transitions determined by differental scanning calorimetry Part II. Octahedral substances, Thermochim. Acta, 1970, 1, 409-414. [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

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