Ethylmalonic acid

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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-203.1 ± 0.26kcal/molCcbAl-Takhin, Pilcher, et al., 1983 

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
Δfsolid-228.3 ± 0.24kcal/molCcbAl-Takhin, Pilcher, et al., 1983 
Quantity Value Units Method Reference Comment
Δcsolid-519.18kcal/molCcbVerkade and Coops, 1933At 288 °K; Corresponding Δfsolid = -224.34 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tfus384.KN/AVogel, 1948Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Δsub26.96 ± 0.53kcal/molMERibeiro da Silva, Monte, et al., 2000AC
Δsub25.2 ± 0.1kcal/molCAl-Takhin, Pilcher, et al., 1983ALS
Δsub25.22kcal/molN/AAl-Takhin, Pilcher, et al., 1983DRB

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:


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 Chemical Concepts
NIST MS number 162252

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References

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

Al-Takhin, Pilcher, et al., 1983
Al-Takhin, G.; Pilcher, G.; Bickerton, J., Standard enthalpies of formation of diamine(dicarboxylato)platinum(II) complexes and of bis(pentane-2,4-dionato)platinum(II): the mean Pt-O bond dissociation enthalpies, J. Chem. Soc. Dalton Trans., 1983, 2657-2659. [all data]

Verkade and Coops, 1933
Verkade, P.E.; Coops, J., Jr., Alternation phenomena VI (calorimetric researches XX): alternations in the properties of n.monoalkylmalonic acids. Some remarks on malkins views concerning the alternation phenonema, Recl. Trav. Chim. Pays-Bas, 1933, 52, 747-767. [all data]

Vogel, 1948
Vogel, A.I., J. Chem. Soc., 1948, 1948, 624-44. [all data]

Ribeiro da Silva, Monte, et al., 2000
Ribeiro da Silva, Manuel A.V.; Monte, Manuel J.S.; Ribeiro, José R., Standard Enthalpies, Entropies, and Gibbs Functions of Sublimation of Four Alkyl-Substituted Malonic Acids, J. Chem. Eng. Data, 2000, 45, 5, 756-759, https://doi.org/10.1021/je000090n . [all data]


Notes

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